61 datasets found
  1. d

    Census Tracts in 1940

    • opendata.dc.gov
    • catalog.data.gov
    • +2more
    Updated Jan 5, 2018
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    City of Washington, DC (2018). Census Tracts in 1940 [Dataset]. https://opendata.dc.gov/datasets/DCGIS::census-tracts-in-1940/about
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    Dataset updated
    Jan 5, 2018
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Census Year 1940 Census Tracts. The dataset contains polygons representing CY 1940 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Census tracts were identified from maps provided by the U.S. Census Bureau and the D.C. Office of Planning. The tract polygons were created by selecting street arcs from the WGIS planimetric street centerlines. Where necessary, polygons were also heads-up digitized from 1995/1999 orthophotographs.

  2. d

    ACS 5-Year Social Characteristics DC Census Tract

    • catalog.data.gov
    • adoptablock.dc.gov
    • +3more
    Updated Apr 30, 2025
    + more versions
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    City of Washington, DC (2025). ACS 5-Year Social Characteristics DC Census Tract [Dataset]. https://catalog.data.gov/dataset/acs-5-year-social-characteristics-dc-census-tract
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    Dataset updated
    Apr 30, 2025
    Dataset provided by
    City of Washington, DC
    Area covered
    Washington
    Description

    Household type, Education, Disability, Language, Computer/Internet Use, and more. This service is updated annually with American Community Survey (ACS) 5-year data. Contact: District of Columbia, Office of Planning. Email: planning@dc.gov. Geography: Census Tracts. Current Vintage: 2019-2023. ACS Table(s): DP02. Data downloaded from: Census Bureau's API for American Community Survey. Date of API call: January 2, 2025. National Figures: data.census.gov. Please cite the Census and ACS when using this data. Data Note from the Census: Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables. Data Processing Notes: This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2020 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters). Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page. Data processed using R statistical package and ArcGIS Desktop. Margin of Error was not included in this layer but is available from the Census Bureau. Contact the Office of Planning for more information about obtaining Margin of Error values.

  3. d

    ACS 5-Year Demographic Characteristics DC Ward

    • opendata.dc.gov
    • s.cnmilf.com
    • +3more
    Updated Feb 28, 2025
    + more versions
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    City of Washington, DC (2025). ACS 5-Year Demographic Characteristics DC Ward [Dataset]. https://opendata.dc.gov/datasets/058207022b5a4b57b593247178d9b42e
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    Dataset updated
    Feb 28, 2025
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-year data. Contact: District of Columbia, Office of Planning. Email: planning@dc.gov. Geography: 2022 Wards (State Legislative Districts [Upper Chamber]). Current Vintage: 2019-2023. ACS Table(s): DP05. Data downloaded from: Census Bureau's API for American Community Survey. Date of API call: January 2, 2025. National Figures: data.census.gov. Please cite the Census and ACS when using this data. Data Note from the Census: Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables. Data Processing Notes: This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2020 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters). Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page. Data processed using R statistical package and ArcGIS Desktop. Margin of Error was not included in this layer but is available from the Census Bureau. Contact the Office of Planning for more information about obtaining Margin of Error values.

  4. d

    DC COVID-19 Vaccine Demographics

    • opendata.dc.gov
    • catalog.data.gov
    • +1more
    Updated Mar 11, 2021
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    City of Washington, DC (2021). DC COVID-19 Vaccine Demographics [Dataset]. https://opendata.dc.gov/datasets/271e8b7972ce46f99ce3eb7eb100fe37
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    Dataset updated
    Mar 11, 2021
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The number of DC residents who have been fully vaccinated across age groups, gender, race, and ethnicity. Demographic data are self-reported, and obtained from electronic health records. Demographic data from electronic health records can be incomplete, especially for race and ethnicity. This information may be updated from supplementary data. The chart does not include non-residents who may have been vaccinated in DC, or residents who have not completed the vaccine regimen, or who have completed the regimen outside of DC.Data is updated on a weekly basis.

  5. d

    EnviroAtlas - Washington, DC - Demographics by Block Group

    • catalog.data.gov
    • datasets.ai
    Updated Apr 11, 2025
    + more versions
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    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact) (2025). EnviroAtlas - Washington, DC - Demographics by Block Group [Dataset]. https://catalog.data.gov/dataset/enviroatlas-washington-dc-demographics-by-block-group7
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    Dataset updated
    Apr 11, 2025
    Dataset provided by
    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact)
    Area covered
    Washington
    Description

    This EnviroAtlas dataset is a summary of key demographic groups for the EnviroAtlas community. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets).

  6. M

    Washington DC Metro Area Population (1950-2025)

    • macrotrends.net
    csv
    Updated May 31, 2025
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    MACROTRENDS (2025). Washington DC Metro Area Population (1950-2025) [Dataset]. https://www.macrotrends.net/global-metrics/cities/23174/washington-dc/population
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    csvAvailable download formats
    Dataset updated
    May 31, 2025
    Dataset authored and provided by
    MACROTRENDS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Dec 1, 1950 - Jun 20, 2025
    Area covered
    Washington Metropolitan Area, United States
    Description

    Chart and table of population level and growth rate for the Washington DC metro area from 1950 to 2025.

  7. a

    ACS 1-Year Demographic Characteristics DC

    • hub.arcgis.com
    • opendata.dc.gov
    • +4more
    Updated Feb 28, 2025
    + more versions
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    City of Washington, DC (2025). ACS 1-Year Demographic Characteristics DC [Dataset]. https://hub.arcgis.com/maps/DCGIS::acs-1-year-demographic-characteristics-dc
    Explore at:
    Dataset updated
    Feb 28, 2025
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 1-year data. Contact: District of Columbia, Office of Planning. Email: planning@dc.gov. Geography: District-wide. Current Vintage: 2023. ACS Table(s): DP05. Data downloaded from: Census Bureau's API for American Community Survey. Date of API call: January 3, 2025. National Figures: data.census.gov. Please cite the Census and ACS when using this data. Data Note from the Census: Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables. Data Processing Notes: This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2020 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters). Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page. Data processed using R statistical package and ArcGIS Desktop. Margin of Error was not included in this layer but is available from the Census Bureau. Contact the Office of Planning for more information about obtaining Margin of Error values.

  8. QuickFacts: District of Columbia

    • census.gov
    • 2020census.gov
    • +1more
    csv
    Updated Jul 1, 2024
    + more versions
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    United States Census Bureau > Communications Directorate - Center for New Media and Promotion (2024). QuickFacts: District of Columbia [Dataset]. https://www.census.gov/quickfacts/geo/chart/DC/AFN120222
    Explore at:
    csvAvailable download formats
    Dataset updated
    Jul 1, 2024
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Authors
    United States Census Bureau > Communications Directorate - Center for New Media and Promotion
    License

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

    Area covered
    Washington
    Description

    U.S. Census Bureau QuickFacts statistics for District of Columbia. QuickFacts data are derived from: Population Estimates, American Community Survey, Census of Population and Housing, Current Population Survey, Small Area Health Insurance Estimates, Small Area Income and Poverty Estimates, State and County Housing Unit Estimates, County Business Patterns, Nonemployer Statistics, Economic Census, Survey of Business Owners, Building Permits.

  9. d

    Demographic Characteristics of DC Census Tracts 2018-2022 5-Year ACS

    • datasets.ai
    21, 3
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    District of Columbia, Demographic Characteristics of DC Census Tracts 2018-2022 5-Year ACS [Dataset]. https://datasets.ai/datasets/demographic-characteristics-of-dc-census-tracts-2018-2022-5-year-acs
    Explore at:
    21, 3Available download formats
    Dataset authored and provided by
    District of Columbia
    Description

    Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-year data.

    Contact: District of Columbia, Office of Planning. Email: planning@dc.gov

    Geography: Census Tracts

    Current Vintage: 2018-2022

    ACS Table(s): DP05

    Data downloaded from: Census Bureau's API for American Community Survey

    Date of API call: January 2, 2024

    National Figures: data.census.gov

    The United States Census Bureau's American Community Survey (ACS):

    This ready-to-use layer can be used within ArcGIS Pro, ArcGIS Online, its configurable apps, dashboards, Story Maps, custom apps, and mobile apps. Data can also be exported for offline workflows. Please cite the Census and ACS when using this data.

    Data Note from the Census:

    Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables.

    Data Processing Notes:

    • This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Click here to learn more about ACS data releases.
    • Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2010 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters).
    • Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page.
    • Data processed using R statistical package and ArcGIS Desktop.
    • Margin of Error was not included in this layer but is available from the Census Bureau. Contact the Office of Planning for more information about obtaining Margin of Error values.

  10. T

    Population Estimate, Total, Not Hispanic or Latino, Black or African...

    • tradingeconomics.com
    csv, excel, json, xml
    Updated Mar 12, 2018
    + more versions
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    TRADING ECONOMICS (2018). Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in District of Columbia, DC [Dataset]. https://tradingeconomics.com/united-states/population-estimate-of-non-hispanic-black-or-african-american-persons-in-district-of-columbia-dc-fed-data.html
    Explore at:
    json, xml, csv, excelAvailable download formats
    Dataset updated
    Mar 12, 2018
    Dataset authored and provided by
    TRADING ECONOMICS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1, 1976 - Dec 31, 2025
    Area covered
    Washington
    Description

    Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in District of Columbia, DC was 285926.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in District of Columbia, DC reached a record high of 321511.00000 in January of 2009 and a record low of 285926.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, Black or African American Alone (5-year estimate) in District of Columbia, DC - last updated from the United States Federal Reserve on July of 2025.

  11. d

    Population and Employment Forecasts

    • catalog.data.gov
    • datasets.ai
    • +1more
    Updated Feb 5, 2025
    + more versions
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    City of Washington, DC (2025). Population and Employment Forecasts [Dataset]. https://catalog.data.gov/dataset/population-and-employment-forecasts
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    Dataset updated
    Feb 5, 2025
    Dataset provided by
    City of Washington, DC
    Description

    This map shows areas where population and jobs growth will be concentrated in the District through the year 2045.

  12. T

    Population Estimate, Total, Hispanic or Latino (5-year estimate) in District...

    • tradingeconomics.com
    csv, excel, json, xml
    Updated Mar 12, 2018
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    TRADING ECONOMICS (2018). Population Estimate, Total, Hispanic or Latino (5-year estimate) in District of Columbia, DC [Dataset]. https://tradingeconomics.com/united-states/population-estimate-of-hispanic-or-latino-persons-in-district-of-columbia-dc-fed-data.html
    Explore at:
    excel, json, csv, xmlAvailable download formats
    Dataset updated
    Mar 12, 2018
    Dataset authored and provided by
    TRADING ECONOMICS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1, 1976 - Dec 31, 2025
    Area covered
    Washington
    Description

    Population Estimate, Total, Hispanic or Latino (5-year estimate) in District of Columbia, DC was 77760.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in District of Columbia, DC reached a record high of 77981.00000 in January of 2020 and a record low of 49813.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in District of Columbia, DC - last updated from the United States Federal Reserve on July of 2025.

  13. d

    Demographic Characteristics of DC Wards 2018-2022 5-Year ACS

    • datasets.ai
    21, 3
    + more versions
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    District of Columbia, Demographic Characteristics of DC Wards 2018-2022 5-Year ACS [Dataset]. https://datasets.ai/datasets/demographic-characteristics-of-dc-wards-2018-2022-5-year-acs
    Explore at:
    3, 21Available download formats
    Dataset authored and provided by
    District of Columbia
    Area covered
    Washington
    Description

    Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-year data.

    Contact: District of Columbia, Office of Planning. Email: planning@dc.gov

    Geography: 2022 Wards (State Legislative Districts [Upper Chamber])

    Current Vintage: 2018-2022

    ACS Table(s): DP05

    Data downloaded from: Census Bureau's API for American Community Survey

    Date of API call: January 2, 2024

    National Figures: data.census.gov

    The United States Census Bureau's American Community Survey (ACS):

    This ready-to-use layer can be used within ArcGIS Pro, ArcGIS Online, its configurable apps, dashboards, Story Maps, custom apps, and mobile apps. Data can also be exported for offline workflows. Please cite the Census and ACS when using this data.

    Data Note from the Census:

    Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables.

    Data Processing Notes:

    • This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Click here to learn more about ACS data releases.
    • Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2010 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters).
    • Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page.
    • Data processed using R statistical package and ArcGIS Desktop.
    • Margin of Error was not included in this layer but is available from the Census Bureau. Contact the Office of Planning for more information about obtaining Margin of Error values.

  14. T

    Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year...

    • tradingeconomics.com
    csv, excel, json, xml
    Updated Mar 12, 2018
    + more versions
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    TRADING ECONOMICS (2018). Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in District of Columbia, DC [Dataset]. https://tradingeconomics.com/united-states/population-estimate-of-non-hispanic-white-persons-in-district-of-columbia-dc-fed-data.html
    Explore at:
    csv, excel, xml, jsonAvailable download formats
    Dataset updated
    Mar 12, 2018
    Dataset authored and provided by
    TRADING ECONOMICS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1, 1976 - Dec 31, 2025
    Area covered
    Washington
    Description

    Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in District of Columbia, DC was 245760.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in District of Columbia, DC reached a record high of 257792.00000 in January of 2020 and a record low of 187734.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, White Alone (5-year estimate) in District of Columbia, DC - last updated from the United States Federal Reserve on June of 2025.

  15. d

    EnviroAtlas - Washington, DC - Census Block Groups

    • catalog.data.gov
    Updated Apr 11, 2025
    + more versions
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    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact) (2025). EnviroAtlas - Washington, DC - Census Block Groups [Dataset]. https://catalog.data.gov/dataset/enviroatlas-washington-dc-census-block-groups6
    Explore at:
    Dataset updated
    Apr 11, 2025
    Dataset provided by
    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact)
    Area covered
    Washington
    Description

    This EnviroAtlas dataset is the base layer for the Washington, DC EnviroAtlas area. The block groups are from the US Census Bureau and are included/excluded based on EnviroAtlas criteria described in the procedure log. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets).

  16. d

    Census Tracts in 1960

    • catalog.data.gov
    • opendata.dc.gov
    Updated Feb 5, 2025
    + more versions
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    D.C. Office of the Chief Technology Officer (2025). Census Tracts in 1960 [Dataset]. https://catalog.data.gov/dataset/census-tracts-in-1960
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    Dataset updated
    Feb 5, 2025
    Dataset provided by
    D.C. Office of the Chief Technology Officer
    Description

    Census Year 1960 Census Tracts. The dataset contains polygons representing CY 1960 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Census tracts were identified from maps provided by the U.S. Census Bureau and the D.C. Office of Planning. The tract polygons were created by selecting street arcs from the WGIS planimetric street centerlines. Where necessary, polygons were also heads-up digitized from 1995/1999 orthophotographs.

  17. T

    Population Estimate, Total, Not Hispanic or Latino, American Indian and...

    • tradingeconomics.com
    csv, excel, json, xml
    Updated Aug 15, 2019
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    TRADING ECONOMICS (2019). Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in District of Columbia, DC [Dataset]. https://tradingeconomics.com/united-states/population-estimate-of-non-hispanic-american-indian-or-native-alaskan-persons-in-district-of-columbia-dc-fed-data.html
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    json, xml, csv, excelAvailable download formats
    Dataset updated
    Aug 15, 2019
    Dataset authored and provided by
    TRADING ECONOMICS
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Time period covered
    Jan 1, 1976 - Dec 31, 2025
    Area covered
    Washington
    Description

    Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in District of Columbia, DC was 715.00000 Persons in January of 2023, according to the United States Federal Reserve. Historically, Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in District of Columbia, DC reached a record high of 1518.00000 in January of 2012 and a record low of 715.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Not Hispanic or Latino, American Indian and Alaska Native Alone (5-year estimate) in District of Columbia, DC - last updated from the United States Federal Reserve on June of 2025.

  18. d

    EnviroAtlas - Washington, DC - Historic Places by Census Block Group

    • catalog.data.gov
    Updated Apr 11, 2025
    + more versions
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    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact) (2025). EnviroAtlas - Washington, DC - Historic Places by Census Block Group [Dataset]. https://catalog.data.gov/dataset/enviroatlas-washington-dc-historic-places-by-census-block-group7
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    Dataset updated
    Apr 11, 2025
    Dataset provided by
    U.S. Environmental Protection Agency, Office of Research and Development-Sustainable and Healthy Communities Research Program, EnviroAtlas (Point of Contact)
    Area covered
    Washington
    Description

    This EnviroAtlas dataset portrays the total number of historic places located within each Census Block Group (CBG). The historic places data were compiled from the National Register of Historic Places, which provides official federal lists of districts, sites, buildings, structures and objects significant to American history, architecture, archeology, engineering, and culture. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets).

  19. c

    Census ACS Poverty Status Map - By Census Tract, County, and State

    • data.cityofrochester.gov
    • hub.arcgis.com
    Updated Mar 3, 2020
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    Open_Data_Admin (2020). Census ACS Poverty Status Map - By Census Tract, County, and State [Dataset]. https://data.cityofrochester.gov/maps/49093605a9234236998175f4be79ff51
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    Dataset updated
    Mar 3, 2020
    Dataset authored and provided by
    Open_Data_Admin
    Area covered
    Description

    Note: These layers were compiled by Esri's Demographics Team using data from the Census Bureau's American Community Survey. These data sets are not owned by the City of Rochester.Overview of the map/data: This map shows the percentage of the population living below the federal poverty level over the previous 12 months, shown by tract, county, and state boundaries. Estimates are from the 2018 ACS 5-year samples. This service is updated annually to contain the most currently released American Community Survey (ACS) 5-year data, and contains estimates and margins of error. There are also additional calculated attributes related to this topic, which can be mapped or used within analysis. Current Vintage: 2019-2023ACS Table(s): B17020, C17002Data downloaded from: Census Bureau's API for American Community Survey Date of API call: December 12, 2024National Figures: data.census.govThe United States Census Bureau's American Community Survey (ACS):About the SurveyGeography & ACSTechnical DocumentationNews & UpdatesThis ready-to-use layer can be used within ArcGIS Pro, ArcGIS Online, its configurable apps, dashboards, Story Maps, custom apps, and mobile apps. Data can also be exported for offline workflows. Please cite the Census and ACS when using this data.Data Note from the Census:Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables.Data Processing Notes:This layer will be updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Click here to learn more about ACS data releases.Boundaries come from the US Census TIGER geodatabases. Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines clipped for cartographic purposes. For census tracts, the water cutouts are derived from a subset of the 2010 AWATER (Area Water) boundaries offered by TIGER. For state and county boundaries, the water and coastlines are derived from the coastlines of the 500k TIGER Cartographic Boundary Shapefiles. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters). The States layer contains 52 records - all US states, Washington D.C., and Puerto Rico.Census tracts with no population are removed from this data service (Census Tracts beginning with 99).Percentages and derived counts, and associated margins of error, are calculated values (that can be identified by the "_calc_" stub in the field name), and abide by the specifications defined by the American Community Survey.Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page.Negative values (e.g., -555555...) have been set to null. These negative values exist in the raw API data to indicate the following situations:The margin of error column indicates that either no sample observations or too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate.Either no sample observations or too few sample observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest interval or upper interval of an open-ended distribution.The median falls in the lowest interval of an open-ended distribution, or in the upper interval of an open-ended distribution. A statistical test is not appropriate.The estimate is controlled. A statistical test for sampling variability is not appropriate.The data for this geographic area cannot be displayed because the number of sample cases is too small. NOTE: any calculated percentages or counts that contain estimates that have null margins of error yield null margins of error for the calculated fields.

  20. d

    Pedestrian Friendliness Index Census Blocks

    • opendata.dc.gov
    • movedc.dc.gov
    • +3more
    Updated Jul 5, 2022
    + more versions
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    City of Washington, DC (2022). Pedestrian Friendliness Index Census Blocks [Dataset]. https://opendata.dc.gov/datasets/DCGIS::pedestrian-friendliness-index-census-blocks
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    Dataset updated
    Jul 5, 2022
    Dataset authored and provided by
    City of Washington, DC
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The Pedestrian Friendliness Index (PFI) scores for each Census block showing how walkable they are, relative to other Census blocks in the District. An area deemed ‘most walkable’ has a connected street grid with sidewalks, buildings set close to the street, and intersections and blocks that are manageable for pedestrians.

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City of Washington, DC (2018). Census Tracts in 1940 [Dataset]. https://opendata.dc.gov/datasets/DCGIS::census-tracts-in-1940/about

Census Tracts in 1940

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Dataset updated
Jan 5, 2018
Dataset authored and provided by
City of Washington, DC
License

Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
License information was derived automatically

Area covered
Description

Census Year 1940 Census Tracts. The dataset contains polygons representing CY 1940 census tracts, created as part of the D.C. Geographic Information System (DC GIS) for the D.C. Office of the Chief Technology Officer (OCTO) and participating D.C. government agencies. Census tracts were identified from maps provided by the U.S. Census Bureau and the D.C. Office of Planning. The tract polygons were created by selecting street arcs from the WGIS planimetric street centerlines. Where necessary, polygons were also heads-up digitized from 1995/1999 orthophotographs.

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