100+ datasets found
  1. d

    U.S. Voting by Census Block Groups

    • search.dataone.org
    Updated Oct 29, 2025
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    Bryan, Michael (2025). U.S. Voting by Census Block Groups [Dataset]. http://doi.org/10.7910/DVN/NKNWBX
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    Dataset updated
    Oct 29, 2025
    Dataset provided by
    Harvard Dataverse
    Authors
    Bryan, Michael
    Area covered
    United States
    Description

    PROBLEM AND OPPORTUNITY In the United States, voting is largely a private matter. A registered voter is given a randomized ballot form or machine to prevent linkage between their voting choices and their identity. This disconnect supports confidence in the election process, but it provides obstacles to an election's analysis. A common solution is to field exit polls, interviewing voters immediately after leaving their polling location. This method is rife with bias, however, and functionally limited in direct demographics data collected. For the 2020 general election, though, most states published their election results for each voting location. These publications were additionally supported by the geographical areas assigned to each location, the voting precincts. As a result, geographic processing can now be applied to project precinct election results onto Census block groups. While precinct have few demographic traits directly, their geographies have characteristics that make them projectable onto U.S. Census geographies. Both state voting precincts and U.S. Census block groups: are exclusive, and do not overlap are adjacent, fully covering their corresponding state and potentially county have roughly the same size in area, population and voter presence Analytically, a projection of local demographics does not allow conclusions about voters themselves. However, the dataset does allow statements related to the geographies that yield voting behavior. One could say, for example, that an area dominated by a particular voting pattern would have mean traits of age, race, income or household structure. The dataset that results from this programming provides voting results allocated by Census block groups. The block group identifier can be joined to Census Decennial and American Community Survey demographic estimates. DATA SOURCES The state election results and geographies have been compiled by Voting and Election Science team on Harvard's dataverse. State voting precincts lie within state and county boundaries. The Census Bureau, on the other hand, publishes its estimates across a variety of geographic definitions including a hierarchy of states, counties, census tracts and block groups. Their definitions can be found here. The geometric shapefiles for each block group are available here. The lowest level of this geography changes often and can obsolesce before the next census survey (Decennial or American Community Survey programs). The second to lowest census level, block groups, have the benefit of both granularity and stability however. The 2020 Decennial survey details US demographics into 217,740 block groups with between a few hundred and a few thousand people. Dataset Structure The dataset's columns include: Column Definition BLOCKGROUP_GEOID 12 digit primary key. Census GEOID of the block group row. This code concatenates: 2 digit state 3 digit county within state 6 digit Census Tract identifier 1 digit Census Block Group identifier within tract STATE State abbreviation, redundent with 2 digit state FIPS code above REP Votes for Republican party candidate for president DEM Votes for Democratic party candidate for president LIB Votes for Libertarian party candidate for president OTH Votes for presidential candidates other than Republican, Democratic or Libertarian AREA square kilometers of area associated with this block group GAP total area of the block group, net of area attributed to voting precincts PRECINCTS Number of voting precincts that intersect this block group ASSUMPTIONS, NOTES AND CONCERNS: Votes are attributed based upon the proportion of the precinct's area that intersects the corresponding block group. Alternative methods are left to the analyst's initiative. 50 states and the District of Columbia are in scope as those U.S. possessions voting in the general election for the U.S. Presidency. Three states did not report their results at the precinct level: South Dakota, Kentucky and West Virginia. A dummy block group is added for each of these states to maintain national totals. These states represent 2.1% of all votes cast. Counties are commonly coded using FIPS codes. However, each election result file may have the county field named differently. Also, three states do not share county definitions - Delaware, Massachusetts, Alaska and the District of Columbia. Block groups may be used to capture geographies that do not have population like bodies of water. As a result, block groups without intersection voting precincts are not uncommon. In the U.S., elections are administered at a state level with the Federal Elections Commission compiling state totals against the Electoral College weights. The states have liberty, though, to define and change their own voting precincts https://en.wikipedia.org/wiki/Electoral_precinct. The Census Bureau... Visit https://dataone.org/datasets/sha256%3A05707c1dc04a814129f751937a6ea56b08413546b18b351a85bc96da16a7f8b5 for complete metadata about this dataset.

  2. Share of total population who voted in U.S. presidential elections 1824-2020...

    • statista.com
    Updated Aug 5, 2020
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    Statista (2020). Share of total population who voted in U.S. presidential elections 1824-2020 [Dataset]. https://www.statista.com/statistics/1140011/number-votes-cast-us-presidential-elections/
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    Dataset updated
    Aug 5, 2020
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    In the 1824 U.S presidential election, which was the first where a popular vote was used to determine the overall winner, approximately three percent of the U.S. population voted in the election, while only one percent actually voted for the winner. Over the following decades, restrictions that prevented non-property owning males from voting were gradually repealed, and almost all white men over the age of 21 could vote by the 1856 election. The next major development was the 15th Amendment to the U.S. Constitution following the American Civil War, which granted suffrage to all male citizens of voting age, regardless of race. Turnout then grew to almost twenty percent at the turn of the century, however Jim Crow laws played a large part in keeping these numbers lower than they potentially could have been, by disenfranchising black communities in the south and undoing much of the progress made during the Reconstruction Era. Extension of voting rights Female suffrage, granted to women in 1920, was responsible for the largest participation increase between any two elections in U.S. history. Between the 1916 and 1920 elections, overall turnout increased by almost seven percent, and it continued to grow to 38 percent by the 1940 election; largely due to the growth in female participation over time. Following a slight reduction during the Second World War and 1948 elections, turnout remained at between 36 and forty percent from the 1950s until the 1990s. Between these decades, the Voting Rights Act of 1965 and the Twenty-Sixth Amendment in 1971 respectively re-enfranchised many black voters in the south and reduced the voting age in all states from 21 to 18 years old. Participation among female voters has also exceeded male participation in all elections since 1980. Recent trends The 1992 election was the first where more than forty percent of the total population cast ballots, and turnout has been above forty percent in all presidential elections since 2004. Along with the extension of voting rights, the largest impact on voter turnout has been the increase in life expectancy throughout the centuries, almost doubling in the past 150 years. As the overall average age has risen, so too has the share of the total population who are eligible to vote, and older voters have had the highest turnout rates since the 1980s. Another factor is increased political involvement among ethnic minorities; while white voters have traditionally had the highest turnout rates in presidential elections, black voters turnout has exceeded the national average since 2008. Asian and Hispanic voter turnouts have also increased in the past twenty years, with the growing Hispanic vote in southern and border states expected to cause a major shift in U.S. politics in the coming decades.

    In terms of the most popular presidents, in the 1940 election, Franklin D. Roosevelt became the first president to have been elected by more than one fifth of the total population. Three presidents were elected by more than 22 percent of the total population, respectively Lyndon B. Johnson in 1964, Richard Nixon in 1972 and Barack Obama in 2008, while Ronald Reagan's re-election in 1984 saw him become the only president in U.S. history to win with the support of more than 23 percent of the total population. While the vote count for the 2020 election is still to be finalized, President-elect Joe Biden has already received 81.28 million votes as of December 02, which would also translate to over 24.5 percent of the total population, and will likely near 25 percent by the end of the counting process.

  3. d

    Voter Registration by Census Tract

    • catalog.data.gov
    • data.kingcounty.gov
    • +1more
    Updated Jun 29, 2025
    + more versions
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    data.kingcounty.gov (2025). Voter Registration by Census Tract [Dataset]. https://catalog.data.gov/dataset/voter-registration-by-census-tract
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    Dataset updated
    Jun 29, 2025
    Dataset provided by
    data.kingcounty.gov
    Description

    This web map displays data from the voter registration database as the percent of registered voters by census tract in King County, Washington. The data for this web map is compiled from King County Elections voter registration data for the years 2013-2019. The total number of registered voters is based on the geo-location of the voter's registered address at the time of the general election for each year. The eligible voting population, age 18 and over, is based on the estimated population increase from the US Census Bureau and the Washington Office of Financial Management and was calculated as a projected 6 percent population increase for the years 2010-2013, 7 percent population increase for the years 2010-2014, 9 percent population increase for the years 2010-2015, 11 percent population increase for the years 2010-2016 & 2017, 14 percent population increase for the years 2010-2018 and 17 percent population increase for the years 2010-2019. The total population 18 and over in 2010 was 1,517,747 in King County, Washington. The percentage of registered voters represents the number of people who are registered to vote as compared to the eligible voting population, age 18 and over. The voter registration data by census tract was grouped into six percentage range estimates: 50% or below, 51-60%, 61-70%, 71-80%, 81-90% and 91% or above with an overall 84 percent registration rate. In the map the lighter colors represent a relatively low percentage range of voter registration and the darker colors represent a relatively high percentage range of voter registration. PDF maps of these data can be viewed at King County Elections downloadable voter registration maps. The 2019 General Election Voter Turnout layer is voter turnout data by historical precinct boundaries for the corresponding year. The data is grouped into six percentage ranges: 0-30%, 31-40%, 41-50% 51-60%, 61-70%, and 71-100%. The lighter colors represent lower turnout and the darker colors represent higher turnout. The King County Demographics Layer is census data for language, income, poverty, race and ethnicity at the census tract level and is based on the 2010-2014 American Community Survey 5 year Average provided by the United States Census Bureau. Since the data is based on a survey, they are considered to be estimates and should be used with that understanding. The demographic data sets were developed and are maintained by King County Staff to support the King County Equity and Social Justice program. Other data for this map is located in the King County GIS Spatial Data Catalog, where data is managed by the King County GIS Center, a multi-department enterprise GIS in King County, Washington. King County has nearly 1.3 million registered voters and is the largest jurisdiction in the United States to conduct all elections by mail. In the map you can view the percent of registered voters by census tract, compare registration within political districts, compare registration and demographic data, verify your voter registration or register to vote through a link to the VoteWA, Washington State Online Voter Registration web page.

  4. U.S. presidential election exit polls: share of votes by income 2024

    • statista.com
    Updated Dec 13, 2024
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    Abigail Tierney (2024). U.S. presidential election exit polls: share of votes by income 2024 [Dataset]. https://www.statista.com/topics/11901/2024-us-presidential-election/
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    Dataset updated
    Dec 13, 2024
    Dataset provided by
    Statistahttp://statista.com/
    Authors
    Abigail Tierney
    Area covered
    United States
    Description

    According to exit polling in ten key states of the 2024 presidential election in the United States, 46 percent of voters with a 2023 household income of 30,000 U.S. dollars or less reported voting for Donald Trump. In comparison, 51 percent of voters with a total family income of 100,000 to 199,999 U.S. dollars reported voting for Kamala Harris.

  5. U.S. share of registered voters 2024, by age

    • statista.com
    Updated Apr 15, 2025
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    Statista (2025). U.S. share of registered voters 2024, by age [Dataset]. https://www.statista.com/statistics/999919/share-people-registered-vote-age/
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    Dataset updated
    Apr 15, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    Nov 2024
    Area covered
    United States
    Description

    In 2024, 80.5 percent of people aged between 65 and 74 years old were registered to vote in the United States - the highest share of any age group. In comparison, 58.3 percent of 18 to 24 year-olds were registered to vote in that year.

  6. Data from: US Election Dataset

    • kaggle.com
    Updated Nov 6, 2024
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    essarabi (2024). US Election Dataset [Dataset]. https://www.kaggle.com/datasets/essarabi/ultimate-us-election-dataset
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    CroissantCroissant is a format for machine-learning datasets. Learn more about this at mlcommons.org/croissant.
    Dataset updated
    Nov 6, 2024
    Dataset provided by
    Kagglehttp://kaggle.com/
    Authors
    essarabi
    License

    MIT Licensehttps://opensource.org/licenses/MIT
    License information was derived automatically

    Area covered
    United States
    Description

    Description

    This dataset contains the county-wise vote share of the United States presidential election of 2020, and in the future 2024, the main advantage of the dataset is that it contains various important county statistics such as the counties racial composition, median and mean income, income inequality, population density, education level, population and the counties occupational distribution.

    _Imp: this dataset will be updated as the 2024 results come in, I will also be adding more county demographic data, if you have any queries or suggestions please feel free to comment _

    Motivation

    The reasons for constructing this dataset are many, however the prime reason was to aggregate all the data on counties along with the election result data for easy analysis in one place. I noticed that Kaggle contains no datasets with detailed county information, and that using the US census bureau site is pretty difficult and time consuming to extract data so it would be better to have a pre-prepared table of data

    Columns

    • The first columns contain information on the county and state
    • The next columns contain the 2020 vote both raw and %
    • The next columns contain the education level of the county population
    • Following that we have information about the income and income inequality in the county
    • Then we have the county racial composition
    • The counties population and population density
    • The final columns contain information about the distribution of occupations in the county
  7. U.S. presidential election exit polls: share of votes by race and ethnicity...

    • statista.com
    Updated Nov 9, 2024
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    Statista (2024). U.S. presidential election exit polls: share of votes by race and ethnicity 2024 [Dataset]. https://www.statista.com/statistics/1535265/presidential-election-exit-polls-share-votes-race-and-ethnicity-us/
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    Dataset updated
    Nov 9, 2024
    Dataset authored and provided by
    Statistahttp://statista.com/
    Time period covered
    Nov 9, 2024
    Area covered
    United States
    Description

    According to exit polling in ten key states of the 2024 presidential election in the United States, ** percent of surveyed white voters reported voting for Donald Trump. In contrast, ** percent of Black voters reported voting for Kamala Harris.

  8. U.S. presidential elections voter turnout 1908-2024

    • statista.com
    Updated Aug 11, 2025
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    Statista (2025). U.S. presidential elections voter turnout 1908-2024 [Dataset]. https://www.statista.com/statistics/262915/voter-turnout-in-the-us-presidential-elections/
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    Dataset updated
    Aug 11, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    This statistic presents the voter turnout in the U.S. presidential elections from 1908 to 2012. Voter turnout in U.S. presidential elections in 1908 stood at **** percent. Additional information on voter turnout in the United States presidential elections Despite widespread societal and economic changes voter turnout has generally fluctuated between ** and ** percent. Turnouts above ** percent are rare and have not been witnessed since the middle of the 20th Century when American voter turnout was comparably higher. In the United States voting in presidential elections is not legally mandatory as it is in some countries such as Australia. Therefore, many American voters choose to remain absent from the ballot box every four years. In contrast to mid-term elections, years in which the bi-annual congressional elections take place in the absence of presidential campaigns, presidential elections enjoy a relatively larger degree of public attention. This difference could be seen to reflect a population who perceives the power of the president to be of greater influence than the country’s congressional house. This perception is particularly apparent among the millennial population of the United States. Although many millennials harbor a substantial level of mistrust toward many major political and civil institutions, the role of president is seen as relatively more trustworthy. This trend may however be subject to change following the departure of President Obama who proved himself popular among the millennial population in successive campaign victories.

  9. d

    AP VoteCast 2020 - General Election

    • data.world
    csv, zip
    Updated Mar 29, 2024
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    The Associated Press (2024). AP VoteCast 2020 - General Election [Dataset]. https://data.world/associatedpress/ap-votecast
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    csv, zipAvailable download formats
    Dataset updated
    Mar 29, 2024
    Authors
    The Associated Press
    Description

    AP VoteCast is a survey of the American electorate conducted by NORC at the University of Chicago for Fox News, NPR, PBS NewsHour, Univision News, USA Today Network, The Wall Street Journal and The Associated Press.

    AP VoteCast combines interviews with a random sample of registered voters drawn from state voter files with self-identified registered voters selected using nonprobability approaches. In general elections, it also includes interviews with self-identified registered voters conducted using NORC’s probability-based AmeriSpeak® panel, which is designed to be representative of the U.S. population.

    Interviews are conducted in English and Spanish. Respondents may receive a small monetary incentive for completing the survey. Participants selected as part of the random sample can be contacted by phone and mail and can take the survey by phone or online. Participants selected as part of the nonprobability sample complete the survey online.

    In the 2020 general election, the survey of 133,103 interviews with registered voters was conducted between Oct. 26 and Nov. 3, concluding as polls closed on Election Day. AP VoteCast delivered data about the presidential election in all 50 states as well as all Senate and governors’ races in 2020.

    Using this Data - IMPORTANT

    This is survey data and must be properly weighted during analysis: DO NOT REPORT THIS DATA AS RAW OR AGGREGATE NUMBERS!!

    Instead, use statistical software such as R or SPSS to weight the data.

    National Survey

    The national AP VoteCast survey of voters and nonvoters in 2020 is based on the results of the 50 state-based surveys and a nationally representative survey of 4,141 registered voters conducted between Nov. 1 and Nov. 3 on the probability-based AmeriSpeak panel. It included 41,776 probability interviews completed online and via telephone, and 87,186 nonprobability interviews completed online. The margin of sampling error is plus or minus 0.4 percentage points for voters and 0.9 percentage points for nonvoters.

    State Surveys

    In 20 states in 2020, AP VoteCast is based on roughly 1,000 probability-based interviews conducted online and by phone, and roughly 3,000 nonprobability interviews conducted online. In these states, the margin of sampling error is about plus or minus 2.3 percentage points for voters and 5.5 percentage points for nonvoters.

    In an additional 20 states, AP VoteCast is based on roughly 500 probability-based interviews conducted online and by phone, and roughly 2,000 nonprobability interviews conducted online. In these states, the margin of sampling error is about plus or minus 2.9 percentage points for voters and 6.9 percentage points for nonvoters.

    In the remaining 10 states, AP VoteCast is based on about 1,000 nonprobability interviews conducted online. In these states, the margin of sampling error is about plus or minus 4.5 percentage points for voters and 11.0 percentage points for nonvoters.

    Although there is no statistically agreed upon approach for calculating margins of error for nonprobability samples, these margins of error were estimated using a measure of uncertainty that incorporates the variability associated with the poll estimates, as well as the variability associated with the survey weights as a result of calibration. After calibration, the nonprobability sample yields approximately unbiased estimates.

    As with all surveys, AP VoteCast is subject to multiple sources of error, including from sampling, question wording and order, and nonresponse.

    Sampling Details

    Probability-based Registered Voter Sample

    In each of the 40 states in which AP VoteCast included a probability-based sample, NORC obtained a sample of registered voters from Catalist LLC’s registered voter database. This database includes demographic information, as well as addresses and phone numbers for registered voters, allowing potential respondents to be contacted via mail and telephone. The sample is stratified by state, partisanship, and a modeled likelihood to respond to the postcard based on factors such as age, race, gender, voting history, and census block group education. In addition, NORC attempted to match sampled records to a registered voter database maintained by L2, which provided additional phone numbers and demographic information.

    Prior to dialing, all probability sample records were mailed a postcard inviting them to complete the survey either online using a unique PIN or via telephone by calling a toll-free number. Postcards were addressed by name to the sampled registered voter if that individual was under age 35; postcards were addressed to “registered voter” in all other cases. Telephone interviews were conducted with the adult that answered the phone following confirmation of registered voter status in the state.

    Nonprobability Sample

    Nonprobability participants include panelists from Dynata or Lucid, including members of its third-party panels. In addition, some registered voters were selected from the voter file, matched to email addresses by V12, and recruited via an email invitation to the survey. Digital fingerprint software and panel-level ID validation is used to prevent respondents from completing the AP VoteCast survey multiple times.

    AmeriSpeak Sample

    During the initial recruitment phase of the AmeriSpeak panel, randomly selected U.S. households were sampled with a known, non-zero probability of selection from the NORC National Sample Frame and then contacted by mail, email, telephone and field interviewers (face-to-face). The panel provides sample coverage of approximately 97% of the U.S. household population. Those excluded from the sample include people with P.O. Box-only addresses, some addresses not listed in the U.S. Postal Service Delivery Sequence File and some newly constructed dwellings. Registered voter status was confirmed in field for all sampled panelists.

    Weighting Details

    AP VoteCast employs a four-step weighting approach that combines the probability sample with the nonprobability sample and refines estimates at a subregional level within each state. In a general election, the 50 state surveys and the AmeriSpeak survey are weighted separately and then combined into a survey representative of voters in all 50 states.

    State Surveys

    First, weights are constructed separately for the probability sample (when available) and the nonprobability sample for each state survey. These weights are adjusted to population totals to correct for demographic imbalances in age, gender, education and race/ethnicity of the responding sample compared to the population of registered voters in each state. In 2020, the adjustment targets are derived from a combination of data from the U.S. Census Bureau’s November 2018 Current Population Survey Voting and Registration Supplement, Catalist’s voter file and the Census Bureau’s 2018 American Community Survey. Prior to adjusting to population totals, the probability-based registered voter list sample weights are adjusted for differential non-response related to factors such as availability of phone numbers, age, race and partisanship.

    Second, all respondents receive a calibration weight. The calibration weight is designed to ensure the nonprobability sample is similar to the probability sample in regard to variables that are predictive of vote choice, such as partisanship or direction of the country, which cannot be fully captured through the prior demographic adjustments. The calibration benchmarks are based on regional level estimates from regression models that incorporate all probability and nonprobability cases nationwide.

    Third, all respondents in each state are weighted to improve estimates for substate geographic regions. This weight combines the weighted probability (if available) and nonprobability samples, and then uses a small area model to improve the estimate within subregions of a state.

    Fourth, the survey results are weighted to the actual vote count following the completion of the election. This weighting is done in 10–30 subregions within each state.

    National Survey

    In a general election, the national survey is weighted to combine the 50 state surveys with the nationwide AmeriSpeak survey. Each of the state surveys is weighted as described. The AmeriSpeak survey receives a nonresponse-adjusted weight that is then adjusted to national totals for registered voters that in 2020 were derived from the U.S. Census Bureau’s November 2018 Current Population Survey Voting and Registration Supplement, the Catalist voter file and the Census Bureau’s 2018 American Community Survey. The state surveys are further adjusted to represent their appropriate proportion of the registered voter population for the country and combined with the AmeriSpeak survey. After all votes are counted, the national data file is adjusted to match the national popular vote for president.

  10. Data from: American National Election Studies, 2000, 2002, and 2004: Full...

    • icpsr.umich.edu
    • search.datacite.org
    ascii, delimited, sas +2
    Updated Jan 30, 2009
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    University of Michigan. Center for Political Studies. National Election Studies (2009). American National Election Studies, 2000, 2002, and 2004: Full Panel Study [Dataset]. http://doi.org/10.3886/ICPSR21500.v1
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    spss, sas, delimited, ascii, stataAvailable download formats
    Dataset updated
    Jan 30, 2009
    Dataset provided by
    Inter-university Consortium for Political and Social Researchhttps://www.icpsr.umich.edu/web/pages/
    Authors
    University of Michigan. Center for Political Studies. National Election Studies
    License

    https://www.icpsr.umich.edu/web/ICPSR/studies/21500/termshttps://www.icpsr.umich.edu/web/ICPSR/studies/21500/terms

    Time period covered
    2000 - 2004
    Area covered
    United States
    Description

    This data file does not represent new content, but instead it is the result of merging data from the 2000 NES, the 2002 NES, and the 2004 ANES Panel Study. The 2000 ANES contains questions in areas such as values and predispositions, media exposure, social altruism, and social networks. Special-interest and topical content includes a sizable battery on the Clinton legacy and a smaller retrospective battery on former President George H.W. Bush, new social trust questions specific to neighborhood and workplace, expanded content on civic engagement, questions related to the debate about campaign finance reform, and the first ANES time series appearance of measures on cognitive style. The 2002 ANES contains questions in areas such as social trust and civic engagement. Special-interest and topical content includes questions on the terrorist attacks of September 11, 2001, the war on terrorism, economic inequality, the 2000 Presidential election, recent corporate scandals, the 2001 tax cut, and proposed elimination of the estate tax. The 2004 phase of the panel study was given in large part to questions that capture the likely consequences of the election contest of 2000 and the terrorist attack of September 11th, as understood and interpreted by ordinary Americans. This included instrumentation on participation in political and civic life, satisfaction with democratic institutions, support for administration policy, and views on Afghanistan, Iraq, and homeland security. Demographic variables include sex, race, age, marital status, family income, education level, religious preference, political party affiliation, voter participation history, and registration status.

  11. U.S. number of registered voters 1996-2024

    • statista.com
    Updated Apr 15, 2025
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    Statista (2025). U.S. number of registered voters 1996-2024 [Dataset]. https://www.statista.com/statistics/273743/number-of-registered-voters-in-the-united-states/
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    Dataset updated
    Apr 15, 2025
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    In 2024, there were 173.85 million people registered to vote in the United States. This is an increase from the previous election, when 161.42 million people were registered to vote. Voting requirements While voting laws differ from state to state, the basic requirements are the same across the entire country. People are allowed to vote in elections in the United States if they are a U.S. citizen, meet their state’s residency requirements, are at least 18 years old before Election Day, and are registered to vote before the registration deadline. Vote early and often Generally, younger people are not registered to vote at the same rate as older individuals. Additionally, young people tend not to vote as much as older people, particularly in midterm elections. However, in the 2016 presidential election, a significant number of people across all age groups voted in the election, resulting in a high voter turnout.

  12. H

    Replication Data for: Local Demographic Change and U.S. Presidential Voting,...

    • dataverse.harvard.edu
    Updated Nov 18, 2019
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    Harvard Dataverse (2019). Replication Data for: Local Demographic Change and U.S. Presidential Voting, 2012-2016 [Dataset]. http://doi.org/10.7910/DVN/J5GCZQ
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    application/x-stata-syntax(5678), application/x-stata-syntax(10073), tsv(299109), tsv(73174597), tsv(1280491), tsv(23442806), type/x-r-syntax(6735), application/x-stata-syntax(1437), tsv(5055), type/x-r-syntax(2324), application/x-stata-syntax(440), application/x-stata-syntax(29180)Available download formats
    Dataset updated
    Nov 18, 2019
    Dataset provided by
    Harvard Dataverse
    License

    CC0 1.0 Universal Public Domain Dedicationhttps://creativecommons.org/publicdomain/zero/1.0/
    License information was derived automatically

    Area covered
    United States
    Description

    Immigration and demographic change have become highly salient in American politics, partly because of the 2016 campaign of Donald Trump. Previous research indicates that local influxes of immigrants or unfamiliar ethnic groups can generate threatened responses, but has either focused on non-electoral outcomes or has analyzed elections in large geographic units such as counties. Here, we examine whether demographic changes at low levels of aggregation were associated with vote shifts toward an anti-immigration presidential candidate between 2012 and 2016. To do so, we compile a novel, precinct-level data set of election results and demographic measures for almost 32,000 precincts in the states of Florida, Georgia, Michigan, Nevada, Ohio, Pennsylvania, and Washington. We employ regression analyses varying model specifications and measures of demographic change. Our estimates uncover little evidence that influxes of Hispanics or non-citizen immigrants benefited Trump relative to past Republicans, instead consistently showing that such changes were associated with shifts to Trump's opponent.

  13. Voter turnout in US presidential elections by ethnicity 1964-2020

    • statista.com
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    Statista, Voter turnout in US presidential elections by ethnicity 1964-2020 [Dataset]. https://www.statista.com/statistics/1096113/voter-turnout-presidential-elections-by-ethnicity-historical/
    Explore at:
    Dataset authored and provided by
    Statistahttp://statista.com/
    Area covered
    United States
    Description

    United States presidential elections are quadrennial elections that decide who will be the President and Vice President of the United States for the next four years. Voter turnout has ranged between 54 and 70 percent since 1964, with white voters having the highest voter turnout rate (particularly when those of Hispanic descent are excluded). In recent decades, turnout among black voters has got much closer to the national average, and in 2008 and 2012, the turnout among black voters was higher than the national average, exceeded only by non-Hispanic white voters; this has been attributed to Barack Obama's nomination as the Democratic nominee in these years, where he was the first African American candidate to run as a major party's nominee. Turnout among Asian and Hispanic voters is much lower than the national average, and turnout has even been below half of the national average in some elections. This has been attributed to a variety of factors, such as the absence of voting tradition in some communities or families, the concentration of Asian and Hispanic communities in urban (non-swing) areas, and a disproportionate number of young people (who are less likely to vote).

  14. 2020 US General Election Turnout Rates

    • kaggle.com
    zip
    Updated Apr 6, 2021
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    Eisa (2021). 2020 US General Election Turnout Rates [Dataset]. https://www.kaggle.com/imoore/2020-us-general-election-turnout-rates
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    zip(3785 bytes)Available download formats
    Dataset updated
    Apr 6, 2021
    Authors
    Eisa
    License

    https://www.usa.gov/government-works/https://www.usa.gov/government-works/

    Description

    Intro

    Voter turnout is the percentage of eligible voters who cast a ballot in an election. Eligibility varies by country, and the voting-eligible population should not be confused with the total adult population. Age and citizenship status are often among the criteria used to determine eligibility, but some countries further restrict eligibility based on sex, race, or religion.

    Context

    The historical trends in voter turnout in the United States presidential elections have been determined by the gradual expansion of voting rights from the initial restriction to white male property owners aged 21 or older in the early years of the country's independence, to all citizens aged 18 or older in the mid-20th century. Voter turnout in United States presidential elections has historically been higher than the turnout for midterm elections. https://upload.wikimedia.org/wikipedia/commons/a/a7/U.S._Vote_for_President_as_Population_Share.png" alt="f">

    Content

    Turnout rates by demographic breakdown from the Census Bureau's Current Population Survey, November Voting and Registration Supplement (or CPS for short). This table are corrected for vote overreporting bias. For uncorrected weights see the source link.

    Original source: https://data.world/government/vep-turnout

  15. US Presidential Campaign Logos

    • kaggle.com
    zip
    Updated Jan 22, 2023
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    The Devastator (2023). US Presidential Campaign Logos [Dataset]. https://www.kaggle.com/datasets/thedevastator/us-presidential-campaign-logos
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    zip(7795 bytes)Available download formats
    Dataset updated
    Jan 22, 2023
    Authors
    The Devastator
    Area covered
    United States
    Description

    US Presidential Campaign Logos

    Color Diversity and Demographics

    By Amber Thomas [source]

    About this dataset

    We conducted extensive research on popular election campaigns from 1968-2020 as compiled on Wikipedia's entry for each year. From this initial list, we excluded 32 candidates whose images could not be found--leaving us with a total of 271 primary and general party candidates across 14 electoral cycles during that period. In our search for campaign logo images, we prioritized official signs used at rallies, podiums, yards, posters, and bumper stickers with required Federal Election Commission disclaimers--resorting to using buttons only when absolutely necessary . We acknowledge that due to advances in technology, the printing process has significantly impacted the design aesthetics for modern logos compared to those made decades ago.

    Using Chrome DevTools or Adobe Photoshop software programs; hexadecimal color values were retreived for each logo clipped from sources such as candidate websites or obtained through additional research efforts. To recognize RWB logos--those using only three colors of red white blue (RWB) --we also surveyed designs including accent tones paired with RWB palettes , two-color schemes (Red/Blue; Red/White; Blue/White), and multiple shades derived from a combination of any 3 primary or secondary RBW hues respectively.

    In addition to visual elements associated with picture datasets , candidate demographics such as race , gender are indicated here as binary categories indicating whether a particular demographic is identifiable under one particular label ie either male / female or White / non White individuals . Candidates who fit into both these dual criteria are classfied under majority categories identified under binary labels ie ' whiteMale '. For greater census accuracy candidates classified simply as minority categorizations are merged sounding various Other labels including males belonging outidese racial definitions regardless if identifyingthemselves belonging within -- inclusion of them details belongs hereinunder :

    name: The name of the candidate    (String);
    party: The political party of thhe candiatate (String);              
    white : Binary value indicating if thee candidiate is White     (Boolean);        male: Binary value indocating ffffthueee ccandidate is maille      (Boolean );           whitaeMaile :: Binary alula indicatig
    

    More Datasets

    For more datasets, click here.

    Featured Notebooks

    • 🚨 Your notebook can be here! 🚨!

    How to use the dataset

    This dataset can be useful for understanding trends in campaign symbolism and visual rhetoric surrounding US presidential elections over time. This data could be used to evaluate how diversity amongst candidates is reflected in their campaign visuals by looking at changes in color usage or exploring differences between Democratic and Republican campaigns.

    The data can also be visualized to create charts or maps that display possible trends or themes across different elections. This can help users more easily identify patterns between campaign logs for research purposes or simply make for an interesting comparison tool to explore different aspects of certain elections through visuals rather than text alone.

    Using this data is easy! Start by familiarizing yourself with all the columns included; you will find information regarding RWB & non-RWB percentages, hexadecimal value breakdowns of each logo's colors & general candidate demographic information such as gender & race. Select desired columns to focus on and decide which analysis method works best; graphical representational options including line graphs, scatter graphs & pie charts are great ways to visually explore how various factors affect color usage both within an election cycle & across multiple cycles over time! Finally you can use these insights gleaned from your analysis to generate interesting questions regarding campaign symbolism design's relationship/influence on voting population demographics/politics!

    Research Ideas

    • Create an interactive map to show the color trends of presidential logos over the years.
    • Use a machine learning algorithm to analyze how the logo colors correlate with primary and general elections.
    • Analyze how diversity and inclusion in presidential campaigns has changed by comparing RWB versus non-RWB percentages for each year or election cycle

    Acknowledgements

    If you use this dataset in your research, please credit the original authors. Data Source

    License

    ...

  16. a

    U.S. House Election Data 1990-2024

    • aura.american.edu
    Updated Nov 11, 2025
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    Dave Leip (2025). U.S. House Election Data 1990-2024 [Dataset]. http://doi.org/10.57912/30200227
    Explore at:
    Dataset updated
    Nov 11, 2025
    Dataset provided by
    American University
    Authors
    Dave Leip
    License

    http://rightsstatements.org/vocab/InC/1.0/http://rightsstatements.org/vocab/InC/1.0/

    Area covered
    United States
    Description

    This dataset provides county and congressional district–level returns for U.S. House of Representatives general elections, compiled by Dave Leip’s Atlas of U.S. Presidential Elections. For each election year included, the dataset is distributed as an Excel workbook (.xlsx) with multiple worksheets, accompanied by machine-readable CSV files at the county, congressional district, and state levels. The codebook for the data collection, describing variable names and meanings, is provided as an .rtf file.The Excel workbook contains:Candidates – names and party ballot listings by state.Vote Data by State – statewide vote totals for each candidate, with boundary identifiers (FIPS codes).Vote Data by County – county-level vote totals for all states and the District of Columbia, with FIPS codes.Vote Data by Town – town-level results for New England states (ME, MA, CT, RI, VT, NH), with FIPS codes.Vote Data by Congressional District – vote totals for all congressional districts nationwide.Graphs – pie charts summarizing results by state and nationally.Party – statewide vote strength of major parties.Statistics – summary statistics including closest races, maxima, and other aggregate indicators.Voter Turnout by State – voting-age population and turnout data by state.Data Sources – documentation of sources used to compile the dataset.

  17. 2024 USA Election Polling Data

    • kaggle.com
    zip
    Updated Aug 20, 2024
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    iam@Tanmay Shukla (2024). 2024 USA Election Polling Data [Dataset]. https://www.kaggle.com/datasets/iamtanmayshukla/2024-u-s-election-generic-ballot-polling-data
    Explore at:
    zip(25162 bytes)Available download formats
    Dataset updated
    Aug 20, 2024
    Authors
    iam@Tanmay Shukla
    License

    http://opendatacommons.org/licenses/dbcl/1.0/http://opendatacommons.org/licenses/dbcl/1.0/

    Area covered
    United States
    Description

    Description:

    This dataset contains comprehensive voting data for the 2024 US elections, focusing on general ballot measures. This information includes voting results from various sources and tracking public opinion about political parties and candidates across states and demographic groups. Each item in the dataset represents a specific poll. Along with detailed information about the dates of the polls. Survey organization, sample size, margin of error, Percentage of respondents supporting each political party or candidates

    Key Features:

    Poll Date:The date when the poll was conducted.

    Polling Organization: The name of the organization that conducted the poll.

    Sample Size: The number of respondents in the poll.

    Margin of Error: The statistical margin of error for the poll results.

    Party/Candidate Support: Percentage of respondents who support each political party or candidate.

    State/Demographics: Geographic and demographic breakdowns of the polling data.

    Use Cases:

    Analyzing trends in public opinion leading up to the 2024 U.S. elections. Comparing support for different political parties and candidates over time. Studying the impact of key events on voter preferences. Informing political strategies and campaign planning.

  18. C

    Voter Participation

    • data.ccrpc.org
    csv
    Updated Nov 24, 2025
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    Champaign County Regional Planning Commission (2025). Voter Participation [Dataset]. https://data.ccrpc.org/am/dataset/voter-participation
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    csvAvailable download formats
    Dataset updated
    Nov 24, 2025
    Dataset authored and provided by
    Champaign County Regional Planning Commission
    License

    Open Database License (ODbL) v1.0https://www.opendatacommons.org/licenses/odbl/1.0/
    License information was derived automatically

    Description

    The Voter Participation indicator presents voter turnout in Champaign County as a percentage, calculated using two different methods.

    In the first method, the voter turnout percentage is calculated using the number of ballots cast compared to the total population in the county that is eligible to vote. In the second method, the voter turnout percentage is calculated using the number of ballots cast compared to the number of registered voters in the county.

    Since both methods are in use by other agencies, and since there are real differences in the figures that both methods return, we have provided the voter participation rate for Champaign County using each method.

    Voter participation is a solid illustration of a community’s engagement in the political process at the federal and state levels. One can infer a high level of political engagement from high voter participation rates.

    The voter participation rate calculated using the total eligible population is consistently lower than the voter participation rate calculated using the number of registered voters, since the number of registered voters is smaller than the total eligible population.

    There are consistent trends in both sets of data: the voter participation rate, no matter how it is calculated, shows large spikes in presidential election years (e.g., 2008, 2012, 2016, 2020, 2024) and smaller spikes in intermediary even years (e.g., 2010, 2014, 2018, 2022). The lowest levels of voter participation can be seen in odd years (e.g., 2015, 2017, 2019, 2021, 2023).

    This data primarily comes from the election results resources on the Champaign County Clerk website. Election results resources from Champaign County include the number of ballots cast and the number of registered voters. The results are published frequently, following each election.

    Data on the total eligible population for Champaign County was sourced from the U.S. Census Bureau, using American Community Survey (ACS) 1-Year Estimates for each year starting in 2005, when the American Community Survey was created. The estimates are released annually by the Census Bureau.

    Due to the impact of the COVID-19 pandemic, instead of providing the standard 1-year data products, the Census Bureau released experimental estimates from the 1-year data in 2020. This includes a limited number of data tables for the nation, states, and the District of Columbia. The Census Bureau states that the 2020 ACS 1-year experimental tables use an experimental estimation methodology and should not be compared with other ACS data. For these reasons, and because this data is not available for Champaign County, the eligible voting population for 2020 is not included in this Indicator.

    For interested data users, the 2020 ACS 1-Year Experimental data release includes datasets on Population by Sex and Population Under 18 Years by Age.

    Sources: Champaign County Clerk Historical Election Data; U.S. Census Bureau; American Community Survey, 2024 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (24 November 2025).; American Community Survey, 2023 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (10 October 2024).; U.S. Census Bureau; American Community Survey, 2022 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (5 October 2023).; Champaign County Clerk Historical Election Data; U.S. Census Bureau; American Community Survey, 2021 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (7 October 2022).; U.S. Census Bureau; American Community Survey, 2019 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (8 June 2021).; U.S. Census Bureau; American Community Survey, 2018 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using data.census.gov; (8 June 2021).; Champaign County Clerk Election History; U.S. Census Bureau; American Community Survey, 2017 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (13 May 2019).; U.S. Census Bureau; American Community Survey, 2016 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (13 May 2019).; U.S. Census Bureau; American Community Survey, American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (6 March 2017).; U.S. Census Bureau; American Community Survey, 2014 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, U.S. Census Bureau; American Community Survey, 2013 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey 2012 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2011 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2010 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2009 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2008 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2007 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2006 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).; U.S. Census Bureau; American Community Survey, 2005 American Community Survey 1-Year Estimates, Table B05003; generated by CCRPC staff; using American FactFinder; (15 March 2016).

  19. Non Voters[U.S.]

    • kaggle.com
    zip
    Updated Dec 6, 2020
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    Rishabh Dhyani (2020). Non Voters[U.S.] [Dataset]. https://www.kaggle.com/datasets/rishabhdhyani4/non-votersus/discussion
    Explore at:
    zip(289343 bytes)Available download formats
    Dataset updated
    Dec 6, 2020
    Authors
    Rishabh Dhyani
    License

    https://www.usa.gov/government-works/https://www.usa.gov/government-works/

    Area covered
    United States
    Description

    Context

    Why Millions Of Americans Don’t Vote
    

    Content

    Data presented here comes from polling done by Ipsos for FiveThirtyEight, using Ipsos’s KnowledgePanel, a probability-based online panel that is recruited to be representative of the U.S. population. The poll was conducted from Sept. 15 to Sept. 25 among a sample of U.S. citizens that oversampled young, Black and Hispanic respondents, with 8,327 respondents, and was weighted according to general population benchmarks for U.S. citizens from the U.S. Census Bureau’s Current Population Survey March 2019 Supplement. The voter file company Aristotle then matched respondents to a voter file to more accurately understand their voting history using the panelist’s first name, last name, zip code, and eight characters of their address, using the National Change of Address program if applicable. Sixty-four percent of the sample (5,355 respondents) matched, although we also included respondents who did not match the voter file but described themselves as voting “rarely” or “never” in our survey, so as to avoid underrepresenting nonvoters, who are less likely to be included in the voter file to begin with. We dropped respondents who were only eligible to vote in three elections or fewer. We defined those who almost always vote as those who voted in all (or all but one) of the national elections (presidential and midterm) they were eligible to vote in since 2000; those who vote sometimes as those who voted in at least two elections, but fewer than all the elections they were eligible to vote in (or all but one); and those who rarely or never vote as those who voted in no elections, or just one.

    The data included here is the final sample we used: 5,239 respondents who matched to the voter file and whose verified vote history we have, and 597 respondents who did not match to the voter file and described themselves as voting "rarely" or "never," all of whom have been eligible for at least 4 elections.

    Acknowledgements

    We wouldn't be here without the help of others. If you owe any attributions or thanks, include them here along with any citations of past research.

    Inspiration

    Your data will be in front of the world's largest data science community. What questions do you want to see answered?

  20. US Presidential Elections 10 States Comparison

    • kaggle.com
    zip
    Updated Aug 5, 2017
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    NB(Nishant_Bhadauria) (2017). US Presidential Elections 10 States Comparison [Dataset]. https://www.kaggle.com/datasets/nishantbhadauria/us-presidential-elections-10-states-comparison/discussion
    Explore at:
    zip(781 bytes)Available download formats
    Dataset updated
    Aug 5, 2017
    Authors
    NB(Nishant_Bhadauria)
    Area covered
    United States
    Description

    Context

    Wanted to study does following factors impacted US president elections. I tried to analyse 6 states data out of which four won by democrats and 6 by republicans. The factors are . Education,Health,Poverty/Income,Race(%of whites),Median Age etc.

    Content

    Here are the columns that are being analyzed.

    Average of Republicans 2016 Average of Democrats 2016 Difference(Rep-Dem) Average of Poverty.Rate.below.federal.poverty.threshold Average of Graduate Degree Average of Median Earnings 2010 Average of Gini.Coefficient Average of White (Not Latino) Population Average of School Enrollment Average of Infant.mortality Average of Unemployment Average of median_age Average of Violent.crime

    Acknowledgements

    Thanks to Opendatasoft https://data.opendatasoft.com/explore/dataset/usa-2016-presidential-election-by-county%40public/information/ for providing data at county level. Data has been rolled up to state level.

    Inspiration

    Well does perceptions are backed by data or not.

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Bryan, Michael (2025). U.S. Voting by Census Block Groups [Dataset]. http://doi.org/10.7910/DVN/NKNWBX

U.S. Voting by Census Block Groups

Explore at:
3 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Oct 29, 2025
Dataset provided by
Harvard Dataverse
Authors
Bryan, Michael
Area covered
United States
Description

PROBLEM AND OPPORTUNITY In the United States, voting is largely a private matter. A registered voter is given a randomized ballot form or machine to prevent linkage between their voting choices and their identity. This disconnect supports confidence in the election process, but it provides obstacles to an election's analysis. A common solution is to field exit polls, interviewing voters immediately after leaving their polling location. This method is rife with bias, however, and functionally limited in direct demographics data collected. For the 2020 general election, though, most states published their election results for each voting location. These publications were additionally supported by the geographical areas assigned to each location, the voting precincts. As a result, geographic processing can now be applied to project precinct election results onto Census block groups. While precinct have few demographic traits directly, their geographies have characteristics that make them projectable onto U.S. Census geographies. Both state voting precincts and U.S. Census block groups: are exclusive, and do not overlap are adjacent, fully covering their corresponding state and potentially county have roughly the same size in area, population and voter presence Analytically, a projection of local demographics does not allow conclusions about voters themselves. However, the dataset does allow statements related to the geographies that yield voting behavior. One could say, for example, that an area dominated by a particular voting pattern would have mean traits of age, race, income or household structure. The dataset that results from this programming provides voting results allocated by Census block groups. The block group identifier can be joined to Census Decennial and American Community Survey demographic estimates. DATA SOURCES The state election results and geographies have been compiled by Voting and Election Science team on Harvard's dataverse. State voting precincts lie within state and county boundaries. The Census Bureau, on the other hand, publishes its estimates across a variety of geographic definitions including a hierarchy of states, counties, census tracts and block groups. Their definitions can be found here. The geometric shapefiles for each block group are available here. The lowest level of this geography changes often and can obsolesce before the next census survey (Decennial or American Community Survey programs). The second to lowest census level, block groups, have the benefit of both granularity and stability however. The 2020 Decennial survey details US demographics into 217,740 block groups with between a few hundred and a few thousand people. Dataset Structure The dataset's columns include: Column Definition BLOCKGROUP_GEOID 12 digit primary key. Census GEOID of the block group row. This code concatenates: 2 digit state 3 digit county within state 6 digit Census Tract identifier 1 digit Census Block Group identifier within tract STATE State abbreviation, redundent with 2 digit state FIPS code above REP Votes for Republican party candidate for president DEM Votes for Democratic party candidate for president LIB Votes for Libertarian party candidate for president OTH Votes for presidential candidates other than Republican, Democratic or Libertarian AREA square kilometers of area associated with this block group GAP total area of the block group, net of area attributed to voting precincts PRECINCTS Number of voting precincts that intersect this block group ASSUMPTIONS, NOTES AND CONCERNS: Votes are attributed based upon the proportion of the precinct's area that intersects the corresponding block group. Alternative methods are left to the analyst's initiative. 50 states and the District of Columbia are in scope as those U.S. possessions voting in the general election for the U.S. Presidency. Three states did not report their results at the precinct level: South Dakota, Kentucky and West Virginia. A dummy block group is added for each of these states to maintain national totals. These states represent 2.1% of all votes cast. Counties are commonly coded using FIPS codes. However, each election result file may have the county field named differently. Also, three states do not share county definitions - Delaware, Massachusetts, Alaska and the District of Columbia. Block groups may be used to capture geographies that do not have population like bodies of water. As a result, block groups without intersection voting precincts are not uncommon. In the U.S., elections are administered at a state level with the Federal Elections Commission compiling state totals against the Electoral College weights. The states have liberty, though, to define and change their own voting precincts https://en.wikipedia.org/wiki/Electoral_precinct. The Census Bureau... Visit https://dataone.org/datasets/sha256%3A05707c1dc04a814129f751937a6ea56b08413546b18b351a85bc96da16a7f8b5 for complete metadata about this dataset.

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