86 datasets found
  1. 2020 Census Tracts

    • catalog.data.gov
    • data.oregon.gov
    • +2more
    Updated Jan 31, 2025
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    U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch (2025). 2020 Census Tracts [Dataset]. https://catalog.data.gov/dataset/census-tracts
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    Dataset updated
    Jan 31, 2025
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Description

    This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity, and were defined by local participants as part of the 2020 Census Participant Statistical Areas Program. The Census Bureau delineated the census tracts in situations where no local participant existed or where all the potential participants declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Physical changes in street patterns caused by highway construction, new development, and so forth, may require boundary revisions. In addition, census tracts occasionally are split due to population growth, or combined as a result of substantial population decline. Census tract boundaries generally follow visible and identifiable features. They may follow legal boundaries such as minor civil division (MCD) or incorporated place boundaries in some States and situations to allow for census tract-to-governmental unit relationships where the governmental boundaries tend to remain unchanged between censuses. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous. For the 2010 Census and beyond, the census tract code range of 9400 through 9499 was enforced for census tracts that include a majority American Indian population according to Census 2000 data and/or their area was primarily covered by federally recognized American Indian reservations and/or off-reservation trust lands; the code range 9800 through 9899 was enforced for those census tracts that contained little or no population and represented a relatively large special land use area such as a National Park, military installation, or a business/industrial park; and the code range 9900 through 9998 was enforced for those census tracts that contained only water area, no land area.

  2. Census Tract Search

    • data.openlaredo.com
    html
    Updated Jun 9, 2020
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    GIS Portal (2020). Census Tract Search [Dataset]. https://data.openlaredo.com/dataset/census-tract-search
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    htmlAvailable download formats
    Dataset updated
    Jun 9, 2020
    Dataset provided by
    City of Laredo
    Authors
    GIS Portal
    Description

    {{description}}

  3. U.S. Census Blocks

    • hub.arcgis.com
    • colorado-river-portal.usgs.gov
    • +3more
    Updated Jun 30, 2021
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    Esri U.S. Federal Datasets (2021). U.S. Census Blocks [Dataset]. https://hub.arcgis.com/datasets/d795eaa6ee7a40bdb2efeb2d001bf823
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    Dataset updated
    Jun 30, 2021
    Dataset provided by
    Esrihttp://esri.com/
    Authors
    Esri U.S. Federal Datasets
    License

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

    Area covered
    Description

    U.S. Census BlocksThis feature layer, utilizing National Geospatial Data Asset (NGDA) data from the U.S. Census Bureau (USCB), displays Census Blocks in the United States. A brief description of Census Blocks, per USCB, is that "Census blocks are statistical areas bounded by visible features such as roads, streams, and railroad tracks, and by nonvisible boundaries such as property lines, city, township, school district, county limits and short line-of-sight extensions of roads." Also, "the smallest level of geography you can get basic demographic data for, such as total population by age, sex, and race."Census Block 1007Data currency: This cached Esri federal service is checked weekly for updates from its enterprise federal source (Census Blocks) and will support mapping, analysis, data exports and OGC API – Feature access.NGDAID: 69 (Series Information for 2020 Census Block State-based TIGER/Line Shapefiles, Current)OGC API Features Link: (U.S. Census Blocks - OGC Features) copy this link to embed it in OGC Compliant viewersFor more information, please visit: What are census blocksFor feedback please contact: Esri_US_Federal_Data@esri.comNGDA Data SetThis data set is part of the NGDA Governmental Units, and Administrative and Statistical Boundaries Theme Community. Per the Federal Geospatial Data Committee (FGDC), this theme is defined as the "boundaries that delineate geographic areas for uses such as governance and the general provision of services (e.g., states, American Indian reservations, counties, cities, towns, etc.), administration and/or for a specific purpose (e.g., congressional districts, school districts, fire districts, Alaska Native Regional Corporations, etc.), and/or provision of statistical data (census tracts, census blocks, metropolitan and micropolitan statistical areas, etc.). Boundaries for these various types of geographic areas are either defined through a documented legal description or through criteria and guidelines. Other boundaries may include international limits, those of federal land ownership, the extent of administrative regions for various federal agencies, as well as the jurisdictional offshore limits of U.S. sovereignty. Boundaries associated solely with natural resources and/or cultural entities are excluded from this theme and are included in the appropriate subject themes."For other NGDA Content: Esri Federal Datasets

  4. a

    2020 Census Blocks

    • egis-lacounty.hub.arcgis.com
    Updated Mar 22, 2021
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    County of Los Angeles (2021). 2020 Census Blocks [Dataset]. https://egis-lacounty.hub.arcgis.com/datasets/8a29319474fe44bb96152d0be8e778af
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    Dataset updated
    Mar 22, 2021
    Dataset authored and provided by
    County of Los Angeles
    Area covered
    Description

    Blocks are typically bounded by streets, roads or creeks. In cities, a census block may correspond to a city block, but in rural areas where there are fewer roads, blocks may be limited by other features. The Census Bureau established blocks covering the entire nation for the first time in 1990.There are less number of Census Blocks within Los Angeles County in 2020 Census TIGER/Line Shapefiles, compared in 2010.Updated:1. June 2023: This update includes 2022 November Santa Clarita City annexation and the addition of "Kinneloa Mesa" community (was a part of unincorporated East Pasadena). Added new data fields FIP_CURRENT to CITYCOMM_CURRENT to reflect new/updated city and communities. Updated city/community names and FIP codes of census blocks that are in 2022 November Santa Clarita City annexation and new Kinneloa Mesa community (look for FIP_Current, City_Current, Comm_Current field values)2. February 2023: Updated few Census Block CSA values based on Demographic Consultant inquiry/suggestions3. April 2022: Updated Census Block data attribute values based on Supervisorial District 2021, Service Planning Area 2022, Health District 2022 and ZIP Code Tabulation Area 2020Created: March 2021How This Data is Created? This census geographic file was downloaded from Census Bureau website: https://www2.census.gov/geo/tiger/TIGER2020PL/STATE/06_CALIFORNIA/06037/ on February 2021 and customized for LA County. New data fields are added in the census blocks 2020 data and populated with city/community names, LA County FIPS, 2021 Supervisorial Districts, 2020 Census Zip Code Tabulation Area (ZCTA) and some administrative boundary information such as 2022 Health Districts and 2022 Service Planning Areas (SPS) are also added. "Housing20" field value and "Pop20" field value is populated with PL 94-171 Redistricting Data Summary File: Decennial Census P.L. 94-171 Redistricting Data Summary Files. Similarly, "Feat_Type" field is added and populated with water, ocean and land values. Five new data fields (FIP_CURRENT to CITYCOMM_CURRENT) are added in June 2023 updates to accommodate 2022 Santa Clarita city annexation. City/community names and FIP codes of census blocks affected by 2022 November Santa Clarita City annexation are assigned based on the location of block centroids. In June 2023 update, total of 36 blocks assigned to the City of Santa Clarita that were in Unincorporated Valencia and Castaic. Note: This data includes 3 NM ocean (FEAT_TYPE field). However, user can use a definition query to remove those. Data Fields: 1. STATE (STATEFP20): State FIP, "06" for California, 2. COUNTY (COUNTYFP20): County FIP "037" for Los Angeles County, 3. CT20: (TRACTCE20): 6-digit census tract number, 4. BG20: 7-digit block group number, 5. CB20 (BLOCKCE20): 4-digit census block number, 6. CTCB20: Combination of CT20 and CB20, 7. FEAT_TYPE: Land use types such as water bodies, ocean (3 NM ocean) or land, 8. FIP20: Los Angeles County FIP code, 9. BGFIP20: Combination of BG20 and FIP20, 10. CITY: Incorporated city name, 11. COMM: Unincorporated area community name and LA City neighborhood, also known as "CSA", 12. CITYCOMM: City/Community name label, 13. ZCTA20: Parcel specific zip codes, 14. HD12: 2012 Health District number, 15. HD_NAME: Health District name, 16. SPA22: 2022 Service Planning Area number, 17. SPA_NAME: Service Planning Area name, 18. SUP21: 2021 Supervisorial District number, 19. SUP_LABEL: Supervisorial District label, 20. POP20: 2020 Population (PL 94-171 Redistricting Data Summary File - Total Population), 21. HOUSING20: 2020 housing (PL 94-171 Redistricting Data Summary File - Total Housing),22. FIP_CURRENT: Los Angeles County 2023 FIP code, as of June 2023,23. BG20FIP_CURRENT: Combination of BG20 and 2023 FIP, as of June 2023,24. CITY_CURRENT: 2023 Incorporated city name, as of June 2023,25. COMM_CURRENT: 2023 Unincorporated area community name and LA City neighborhood, also known as "CSA", as of June 2023,26. CITYCOMM_CURRENT: 2023 City/Community name label, as of June 2023.

  5. g

    Census of Population and Housing, 1990 [United States]: Tiger/Census Tract...

    • search.gesis.org
    Updated May 6, 2021
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    United States Department of Commerce. Bureau of the Census (2021). Census of Population and Housing, 1990 [United States]: Tiger/Census Tract Street index File (Version 1) - Version 1 [Dataset]. http://doi.org/10.3886/ICPSR09787.v1
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    Dataset updated
    May 6, 2021
    Dataset provided by
    ICPSR - Interuniversity Consortium for Political and Social Research
    GESIS search
    Authors
    United States Department of Commerce. Bureau of the Census
    License

    https://search.gesis.org/research_data/datasearch-httpwww-da-ra-deoaip--oaioai-da-ra-de445718https://search.gesis.org/research_data/datasearch-httpwww-da-ra-deoaip--oaioai-da-ra-de445718

    Area covered
    United States
    Description

    Abstract (en): This data collection contains FIPS codes for state, county, county subdivision, and place, along with the 1990 Census tract number for each side of the street for the urban cores of 550 counties in the United States. Street names, including prefix and/or suffix direction (north, southeast, etc.) and street type (avenue, lane, etc.) are provided, as well as the address range for that portion of the street located within a particular Census tract and the corresponding Census tract number. The FIPS county subdivision and place codes can be used to determine the correct Census tract number when streets with identical names and ranges exist in different parts of the same county. Contiguous block segments that have consecutive address ranges along a street and that have the same geographic codes (state, county, Census tract, county subdivision, and place) have been collapsed together and are represented by a single record with a single address range. 2006-01-12 All files were removed from dataset 551 and flagged as study-level files, so that they will accompany all downloads. (1) Due to the number of files in this collection, parts have been eliminated here. For a complete list of individual part names designated by state and county, consult the ICPSR Website. (2) There are two types of records in this collection, distinguished by the first character of each record. A "0" indicates a street name/address range record that can be used to find the Census tract number and other geographic codes from a street name and address number. A "2" indicates a geographic code/name record that can be used to find the name of the state, county, county subdivision, and/or place from the FIPS code. The "0" records contain 18 variables and the "2" records contain 10 variables.

  6. a

    d0a8d6 - 2020 USA Census Tracts for USR Search Segments

    • prep-response-portal-napsg.hub.arcgis.com
    • data-napsg.opendata.arcgis.com
    Updated Jun 24, 2025
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    SARGeo (2025). d0a8d6 - 2020 USA Census Tracts for USR Search Segments [Dataset]. https://prep-response-portal-napsg.hub.arcgis.com/datasets/sargeo::d0a8d6-2020-usa-census-tracts-for-usr-search-segments
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    Dataset updated
    Jun 24, 2025
    Dataset authored and provided by
    SARGeo
    Area covered
    Description

    USA Census Tracts for Urban Search and Rescue. This layer can be used for search segment planning. Census Tracts generally contain between 1,200 and 8,000 people, with an optimum size of 4,000 people and the boundaries generally follow existing roads and waterways. The field segment_designation is the last 5 digits of the unique identifier and matches the field in the SARCOP Segment layer.This layer presents the USA 2020 Census Tract boundaries of the United States in the 50 states and the District of Columbia. It is updated annually as Tract boundaries change. The geography is sourced from US Census Bureau 2020 TIGER FGDB (National Sub-State) and edited using TIGER Hydrology to add a detailed coastline for cartographic purposes. Geography last updated May 2022.Attribute fields include 2020 total population from the US Census PL94 data.

  7. Census Data

    • catalog.data.gov
    • datadiscoverystudio.org
    • +3more
    Updated Mar 1, 2024
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    U.S. Bureau of the Census (2024). Census Data [Dataset]. https://catalog.data.gov/dataset/census-data
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    Dataset updated
    Mar 1, 2024
    Dataset provided by
    United States Census Bureauhttp://census.gov/
    Description

    The Bureau of the Census has released Census 2000 Summary File 1 (SF1) 100-Percent data. The file includes the following population items: sex, age, race, Hispanic or Latino origin, household relationship, and household and family characteristics. Housing items include occupancy status and tenure (whether the unit is owner or renter occupied). SF1 does not include information on incomes, poverty status, overcrowded housing or age of housing. These topics will be covered in Summary File 3. Data are available for states, counties, county subdivisions, places, census tracts, block groups, and, where applicable, American Indian and Alaskan Native Areas and Hawaiian Home Lands. The SF1 data are available on the Bureau's web site and may be retrieved from American FactFinder as tables, lists, or maps. Users may also download a set of compressed ASCII files for each state via the Bureau's FTP server. There are over 8000 data items available for each geographic area. The full listing of these data items is available here as a downloadable compressed data base file named TABLES.ZIP. The uncompressed is in FoxPro data base file (dbf) format and may be imported to ACCESS, EXCEL, and other software formats. While all of this information is useful, the Office of Community Planning and Development has downloaded selected information for all states and areas and is making this information available on the CPD web pages. The tables and data items selected are those items used in the CDBG and HOME allocation formulas plus topics most pertinent to the Comprehensive Housing Affordability Strategy (CHAS), the Consolidated Plan, and similar overall economic and community development plans. The information is contained in five compressed (zipped) dbf tables for each state. When uncompressed the tables are ready for use with FoxPro and they can be imported into ACCESS, EXCEL, and other spreadsheet, GIS and database software. The data are at the block group summary level. The first two characters of the file name are the state abbreviation. The next two letters are BG for block group. Each record is labeled with the code and name of the city and county in which it is located so that the data can be summarized to higher-level geography. The last part of the file name describes the contents . The GEO file contains standard Census Bureau geographic identifiers for each block group, such as the metropolitan area code and congressional district code. The only data included in this table is total population and total housing units. POP1 and POP2 contain selected population variables and selected housing items are in the HU file. The MA05 table data is only for use by State CDBG grantees for the reporting of the racial composition of beneficiaries of Area Benefit activities. The complete package for a state consists of the dictionary file named TABLES, and the five data files for the state. The logical record number (LOGRECNO) links the records across tables.

  8. M

    Profile of Selected Economic Characteristics for Census Tracts: 2000

    • gisdata.mn.gov
    • data.wu.ac.at
    fgdb, html, shp
    Updated Jul 9, 2020
    + more versions
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    Metropolitan Council (2020). Profile of Selected Economic Characteristics for Census Tracts: 2000 [Dataset]. https://gisdata.mn.gov/dataset/us-mn-state-metc-society-census-econchar-trct2000
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    shp, fgdb, htmlAvailable download formats
    Dataset updated
    Jul 9, 2020
    Dataset provided by
    Metropolitan Council
    Description

    Summary File 3 Data Profile 3 (SF3 Table DP-3) for Minneapolis-St. Paul 7 County metropolitan area is a subset of the profile of selected economic characteristics for 2000 prepared by the U. S. Census Bureau.

    This table (DP-3) includes: Employment Status, Commuting to Work, Occupation, Industry, Class of Worker, Income in 1999, Median earnings, Number Below Poverty Level, Poverty Status in 1999, For Whom Poverty Status is Determined

    US Census 2000 Demographic Profiles: 100-percent and Sample Data

    The profile includes four tables (DP-1 thru DP-4) that provide various demographic, social, economic, and housing characteristics for the United States, states, counties, minor civil divisions in selected states, places, metropolitan areas, American Indian and Alaska Native areas, Hawaiian home lands and congressional districts (106th Congress). It includes 100-percent and sample data from Census 2000. The DP-1 table is available as part of the Summary File 1 (SF 1) dataset, and the other three tables are available as part of the Summary File 3 (SF 3) dataset.

    The US Census provides DP-1 thru DP-4 data at the Census tract level through their DataFinder search engine. However, since the Metropolitan Council and MetroGIS participants are interested in all Census tracts within the seven county metropolitan area, it was quicker to take the raw Census SF-1 and SF-3 data at tract levels and recreate the DP1-4 variables using the appropriate formula for each DP variable. This file lists the formulas used to create the DP variables.

  9. l

    Census Blocks 2020

    • geohub.lacity.org
    Updated Mar 22, 2021
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    County of Los Angeles (2021). Census Blocks 2020 [Dataset]. https://geohub.lacity.org/datasets/lacounty::census-blocks-2020
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    Dataset updated
    Mar 22, 2021
    Dataset authored and provided by
    County of Los Angeles
    Area covered
    Description

    Blocks are typically bounded by streets, roads or creeks. In cities, a census block may correspond to a city block, but in rural areas where there are fewer roads, blocks may be limited by other features.The Census Bureau established blocks covering the entire nation for the first time in 1990.There are less number of Census Blocks within Los Angeles County in 2020 Census TIGER/Line Shapefiles, compared in 2010.UPDATED: March 2021How This Data is Created?This census geographic file was downloaded from Census Bureau website: https://www2.census.gov/geo/tiger/TIGER2020PL/STATE/06_CALIFORNIA/06037/ on February 2021 and customized for LA County. New data fields are added in the census blocks 2020 data and populated with city/community names, Census FIPs, LA County FIPS, 2011 Supervirorial Districts, zipcodes and some administrative boundary information such as 2012 Health Districts and 2012 Service Planning Areas are also added. Similarly, "Feat_Type" field is added and populated with water, ocean and land values. Remaining two fields "SUP21" and "Pop20" will be populated later. Note: This data includes 3 NM ocean. However, user can use a definition query to remove those. Data Fields:1. STATE (STATEFP20): State FIP, "06" for California2. COUNTY (COUNTYFP20): County FIP "037" for Los Angeles County3. CT20: (TRACTCE20): 6-digit census tract number 4. BG20: 7-digit block group number5. CB20 (BLOCKCE20): 4-digit census block number6. CTCB20: Combination of CT20 and CB207. FEAT_TYPE: Land use types such as water bodies, ocean (3 NM ocean) or land 8. FIP20: Los Angeles County FIP code9. BGFIP20: Combination of BG20 and FIP2010. CITY: Incorporated city name11. COMM: Unincorporated area community name and LA City neighborhood, also known as "CSA".12. CITYCOMM: City/Community name label13. ZCTA20: Parcel specific zipcodes14. HD12: 2012 Health District number15. HD_NAME: Health District name16. SPA12: 2012 Service Planning Area number17. SPA_NAME: Service Planning Area name18. SUP11: 2011 Supervisorial District number19. SUP_LABEL: Supervisorial District label20. SUP21: Supervisorial District 2021 (wil be populated later)21. POP20: 2020 Population (to be populated later)

  10. d

    UNI-CEN Standardized Census Data Table - Census Tract (CT) - 2001 - Wide...

    • search.dataone.org
    • borealisdata.ca
    • +1more
    Updated Dec 28, 2023
    + more versions
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    UNI-CEN Project (2023). UNI-CEN Standardized Census Data Table - Census Tract (CT) - 2001 - Wide Format (DBF) (Version 2023-03) [Dataset]. http://doi.org/10.5683/SP3/IKEOGG
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    Dataset updated
    Dec 28, 2023
    Dataset provided by
    Borealis
    Authors
    UNI-CEN Project
    Time period covered
    Jan 1, 2001
    Description

    UNI-CEN Standardized Census Data Tables contain Census data that have been reformatted into a common table format with standardized variable names and codes. The data are provided in two tabular formats for different use cases. "Long" tables are suitable for use in statistical environments, while "wide" tables are commonly used in GIS environments. The long tables are provided in Stata Binary (dta) format, which is readable by all statistics software. The wide tables are provided in comma-separated values (csv) and dBase 3 (dbf) formats with codebooks. The wide tables are easily joined to the UNI-CEN Digital Boundary Files. For the csv files, a .csvt file is provided to ensure that column data formats are correctly formatted when importing into QGIS. A schema.ini file does the same when importing into ArcGIS environments. As the DBF file format supports a maximum of 250 columns, tables with a larger number of variables are divided into multiple DBF files. For more information about file sources, the methods used to create them, and how to use them, consult the documentation at https://borealisdata.ca/dataverse/unicen_docs. For more information about the project, visit https://observatory.uwo.ca/unicen.

  11. Census of Population and Housing, 1980 [United States]: Person and Housing...

    • icpsr.umich.edu
    • search.datacite.org
    ascii
    Updated Feb 16, 1992
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    United States. Bureau of the Census (1992). Census of Population and Housing, 1980 [United States]: Person and Housing Unit Counts for Tracts and Minor Civil Divisions [Dataset]. http://doi.org/10.3886/ICPSR07970.v1
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    asciiAvailable download formats
    Dataset updated
    Feb 16, 1992
    Dataset provided by
    Inter-university Consortium for Political and Social Researchhttps://www.icpsr.umich.edu/web/pages/
    Authors
    United States. Bureau of the Census
    License

    https://www.icpsr.umich.edu/web/ICPSR/studies/7970/termshttps://www.icpsr.umich.edu/web/ICPSR/studies/7970/terms

    Time period covered
    1980
    Area covered
    United States
    Description

    This data collection covers all census tracts and all minor civil divisions (MCD) or census county divisions (CCD) in the United States. All persons in the country were included in the file, which has counts for total population, population in group quarters, number of total housing units, and number of occupied housing units. There are 83,672 records in the file, one for each geographic unit, and each record is arranged in a sort sequence of record type, state, county and then MCD/CCD or tract.

  12. Census of Population and Housing, 2010 [United States]: Summary File 2 With...

    • icpsr.umich.edu
    • search.datacite.org
    Updated Jul 18, 2013
    + more versions
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    United States. Bureau of the Census (2013). Census of Population and Housing, 2010 [United States]: Summary File 2 With National Update [Dataset]. http://doi.org/10.3886/ICPSR34755.v1
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    Dataset updated
    Jul 18, 2013
    Dataset provided by
    Inter-university Consortium for Political and Social Researchhttps://www.icpsr.umich.edu/web/pages/
    Authors
    United States. Bureau of the Census
    License

    https://www.icpsr.umich.edu/web/ICPSR/studies/34755/termshttps://www.icpsr.umich.edu/web/ICPSR/studies/34755/terms

    Time period covered
    2010
    Area covered
    United States
    Description

    This data collection contains summary statistics on population and housing subjects derived from the responses to the 2010 Census questionnaire. Population items include sex, age, average household size, household type, and relationship to householder such as nonrelative or child. Housing items include tenure (whether a housing unit is owner-occupied or renter-occupied), age of householder, and household size for occupied housing units. Selected aggregates and medians also are provided. The summary statistics are presented in 71 tables, which are tabulated for multiple levels of observation (called "summary levels" in the Census Bureau's nomenclature), including, but not limited to, regions, divisions, states, metropolitan/micropolitan areas, counties, county subdivisions, places, ZIP Code Tabulation Areas (ZCTAs), school districts, census tracts, American Indian and Alaska Native areas, tribal subdivisions, and Hawaiian home lands. There are 10 population tables shown down to the county level and 47 population tables and 14 housing tables shown down to the census tract level. Every table cell is represented by a separate variable in the data. Each table is iterated for up to 330 population groups, which are called "characteristic iterations" in the Census Bureau's nomenclature: the total population, 74 race categories, 114 American Indian and Alaska Native categories, 47 Asian categories, 43 Native Hawaiian and Other Pacific Islander categories, and 51 Hispanic/not Hispanic groups. Moreover, the tables for some large summary areas (e.g., regions, divisions, and states) are iterated for portions of geographic areas ("geographic components" in the Census Bureau's nomenclature) such as metropolitan/micropolitan statistical areas and the principal cities of metropolitan statistical areas. The collection has a separate set of files for every state, the District of Columbia, Puerto Rico, and the National File. Each file set has 11 data files per characteristic iteration, a data file with geographic variables called the "geographic header file," and a documentation file called the "packing list" with information about the files in the file set. Altogether, the 53 file sets have 110,416 data files and 53 packing list files. Each file set is compressed in a separate ZIP archive (Datasets 1-56, 72, and 99). Another ZIP archive (Dataset 100) contains a Microsoft Access database shell and additional documentation files besides the codebook. The National File (Dataset 99) constitutes the National Update for Summary File 2. The National Update added summary levels for the United States as a whole, regions, divisions, and geographic areas that cross state lines such as Core Based Statistical Areas.

  13. K

    California US Census Tracts

    • koordinates.com
    csv, dwg, geodatabase +6
    Updated Sep 5, 2018
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    State of California (2018). California US Census Tracts [Dataset]. https://koordinates.com/layer/96035-california-us-census-tracts/
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    mapinfo mif, shapefile, csv, kml, geopackage / sqlite, dwg, pdf, mapinfo tab, geodatabaseAvailable download formats
    Dataset updated
    Sep 5, 2018
    Dataset authored and provided by
    State of California
    Area covered
    Description

    The cartographic boundary files are simplified representations of selected geographic areas from the Census Bureau’s MAF/TIGER geographic database. These boundary files are specifically designed for small scale thematic mapping.

    This feature class has been reprojected to Web Mercator Auxilary Sphere (WKID 3857) for use with this map service.

    © US Census Bureau (2010) This layer is a component of US Census Tracts (California).

    This cenus tract map services was created for the California Department of Alcoholic Beverage Control, License Query System.

    © CSR# 139724

  14. Colorado Census Tract Boundaries

    • data-cdphe.opendata.arcgis.com
    • hub.arcgis.com
    • +1more
    Updated Apr 1, 2016
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    Colorado Department of Public Health and Environment (2016). Colorado Census Tract Boundaries [Dataset]. https://data-cdphe.opendata.arcgis.com/datasets/colorado-census-tract-boundaries
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    Dataset updated
    Apr 1, 2016
    Dataset authored and provided by
    Colorado Department of Public Health and Environmenthttps://cdphe.colorado.gov/
    Area covered
    Description

    Census tracts are small, relatively permanent geographic entities within counties (or the statistical equivalents of counties) delineated by a committee of local data users. Generally, census tracts have between 2,500 and 8,000 residents and boundaries that follow visible features. When first established, census tracts are to be as homogeneous as possible with respect to population characteristics, economic status, and living conditions. (www.census.gov)

  15. o

    Historic Redlining Indicator for 2000, 2010, and 2020 US Census Tracts

    • openicpsr.org
    spss
    Updated May 25, 2021
    + more versions
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    Helen C.S. Meier; Bruce C. Mitchell (2021). Historic Redlining Indicator for 2000, 2010, and 2020 US Census Tracts [Dataset]. http://doi.org/10.3886/E141121V3
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    spssAvailable download formats
    Dataset updated
    May 25, 2021
    Dataset provided by
    University of Michigan. Institute for Social Research. Survey Research Center
    National Community Reinvestment Coalition
    Authors
    Helen C.S. Meier; Bruce C. Mitchell
    License

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

    Area covered
    United States
    Description

    The Home Owners’ Loan Corporation (HOLC) was a U.S. federal agency that graded mortgage investment risk of neighborhoods across the U.S. between 1935 and 1940. HOLC residential security maps standardized neighborhood risk appraisal methods that included race and ethnicity, pioneering the institutional logic of residential “redlining.” The Mapping Inequality Project digitized the HOLC mortgage security risk maps from the 1930s. We overlaid the HOLC maps with 2010 and 2020 census tracts for 142 cities across the U.S. using ArcGIS and determined the proportion of HOLC residential security grades contained within the boundaries. We assigned a numerical value to each HOLC risk category as follows: 1 for “A” grade, 2 for “B” grade, 3 for “C” grade, and 4 for “D” grade. We calculated a historic redlining score from the summed proportion of HOLC residential security grades multiplied by a weighting factor based on area within each census tract. A higher score means greater redlining of the census tract. Continuous historic redlining score, assessing the degree of “redlining,” as well as 4 equal interval divisions of redlining, can be linked to existing data sources by census tract identifier allowing for one form of structural racism in the housing market to be assessed with a variety of outcomes. The 2010 files are set to census 2010 tract boundaries. The 2020 files use the new census 2020 tract boundaries, reflecting the increase in the number of tracts from 12,888 in 2010, to 13,488 in 2020. Use the 2010 HRI with decennial census 2010 or ACS 2010-2019 data. As of publication (10/15/2020) decennial census 2020 data for the P1 (population) and H1 (housing) files are available from census. Updated (8/9/2023) - The Historic Redlining Score has been renamed the Historic Redlining Indicator or HRI. The HRI has also been calculated for Census 2000 boundaries.

  16. M

    Profile of Selected Housing Characteristics for Census Tracts: 2000

    • gisdata.mn.gov
    • data.wu.ac.at
    fgdb, html, shp
    Updated Jul 9, 2020
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    Metropolitan Council (2020). Profile of Selected Housing Characteristics for Census Tracts: 2000 [Dataset]. https://gisdata.mn.gov/dataset/us-mn-state-metc-society-census-houschar-trct2000
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    fgdb, shp, htmlAvailable download formats
    Dataset updated
    Jul 9, 2020
    Dataset provided by
    Metropolitan Council
    Description

    Summary File 3 Data Profile 4 (SF3 Table DP-4) for Census Tracts in the Minneapolis-St. Paul 7 County metropolitan area is a subset of the profile of selected housing characteristics for 2000 prepared by the U. S. Census Bureau.

    This table (DP-4) includes: Units in Structure, Year Structure Built, Rooms, Year Householder Moved into Unit, Vehicles Available, House Heating Fuel, Selected Characteristics, Occupants per Room, Value, Mortgage Status and Selected Monthly Owner Costs, Selected Monthly Owner Costs as a Percentage of Household Income in 1999, Gross Rent, Gross Rent as a Percentage of Household Income in 1999

    US Census 2000 Demographic Profiles: 100-percent and Sample Data

    The profile includes four tables (DP-1 thru DP-4) that provide various demographic, social, economic, and housing characteristics for the United States, states, counties, minor civil divisions in selected states, places, metropolitan areas, American Indian and Alaska Native areas, Hawaiian home lands and congressional districts (106th Congress). It includes 100-percent and sample data from Census 2000. The DP-1 table is available as part of the Summary File 1 (SF 1) dataset, and the other three tables are available as part of the Summary File 3 (SF 3) dataset.

    The US Census provides DP-1 thru DP-4 data at the Census tract level through their DataFinder search engine. However, since the Metropolitan Council and MetroGIS participants are interested in all Census tracts within the seven county metropolitan area, it was quicker to take the raw Census SF-1 and SF-3 data at tract levels and recreate the DP1-4 variables using the appropriate formula for each DP variable. This file lists the formulas used to create the DP variables.

  17. Land Conservation and Human Demographics by Census Tract in New England...

    • search.dataone.org
    • portal.edirepository.org
    Updated Dec 13, 2023
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    Katharine Sims; Neenah Estrella-Luna; Jonathan Thompson (2023). Land Conservation and Human Demographics by Census Tract in New England 2014-2018 [Dataset]. https://search.dataone.org/view/https%3A%2F%2Fpasta.lternet.edu%2Fpackage%2Fmetadata%2Feml%2Fknb-lter-hfr%2F420%2F1
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    Dataset updated
    Dec 13, 2023
    Dataset provided by
    Long Term Ecological Research Networkhttp://www.lternet.edu/
    Authors
    Katharine Sims; Neenah Estrella-Luna; Jonathan Thompson
    Time period covered
    Jan 1, 2014 - Jan 1, 2018
    Area covered
    Variables measured
    LAT, LONG, Q_poc, state, REMOVE, GISJOIN, LAND_AC, Q_hhinc, f2f_sqm, AVAIL_HA, and 142 more
    Description

    This dataset summarizes land protection, conservation prioritization layer scores, and human demographics within New England communities, defined as census tracts. This dataset was created to identify disparities in land protection according to metrics of social marginalization and assess how incorporating environmental justice criteria into land conservation prioritization systems might change conservation priorities.

  18. m

    Profile of Selected Social Characteristics for Census Tracts: 2000

    • gisdata.mn.gov
    fgdb, shp
    Updated Jul 9, 2020
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    Metropolitan Council (2020). Profile of Selected Social Characteristics for Census Tracts: 2000 [Dataset]. https://gisdata.mn.gov/dataset/us-mn-state-metc-society-census-soclchar-trct2000
    Explore at:
    shp, fgdbAvailable download formats
    Dataset updated
    Jul 9, 2020
    Dataset provided by
    Metropolitan Council
    Description

    Summary File 3 Data Profile 2 (SF3 Table DP-2) for Census Tracts in Minneapolis-St. Paul 7 County metropolitan area is a subset of the profile of selected social characteristics for 2000 prepared by the U.S. Census Bureau.

    This table (DP-2) includes: School Enrollment, Educational Attainment, Marital Status, Grandparents as Caregivers, Veteran Status, Disability Status of the Civilian Noninstitutionalized Population, Residence in 1995, Nativity and Place of Birth, Region of Birth of Foreign Born, Language Spoken At Home, Ancestry

    US Census 2000 Demographic Profiles: 100-percent and Sample Data

    The profile includes four tables (DP-1 thru DP-4) that provide various demographic, social, economic, and housing characteristics for the United States, states, counties, minor civil divisions in selected states, places, metropolitan areas, American Indian and Alaska Native areas, Hawaiian home lands and congressional districts (106th Congress). It includes 100-percent and sample data from Census 2000. The DP-1 table is available as part of the Summary File 1 (SF 1) dataset, and the other three tables are available as part of the Summary File 3 (SF 3) dataset.

    The US Census provides DP-1 thru DP-4 data at the Census tract level through their DataFinder search engine. However, since the Metropolitan Council and MetroGIS participants are interested in all Census tracts within the seven county metropolitan area, it was quicker to take the raw Census SF-1 and SF-3 data at tract levels and recreate the DP1-4 variables using the appropriate formula for each DP variable. This file lists the formulas used to create the DP variables.

  19. T

    CDC PLACES: Hamilton County Census Tract Data, 2020 Release

    • internal.chattadata.org
    • chattadata.org
    Updated Jun 2, 2021
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    CDC (2021). CDC PLACES: Hamilton County Census Tract Data, 2020 Release [Dataset]. https://internal.chattadata.org/dataset/CDC-PLACES-Hamilton-County-Census-Tract-Data-2020-/izcq-5s4b
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    csv, xml, application/rssxml, tsv, application/rdfxml, kmz, application/geo+json, kmlAvailable download formats
    Dataset updated
    Jun 2, 2021
    Dataset authored and provided by
    CDC
    Area covered
    Hamilton County
    Description

    Health data from the CDC's 500 cities project expanded to all census tracts. For more information on this project check out the source data here: https://chronicdata.cdc.gov/500-Cities-Places/PLACES-Census-Tract-Data-GIS-Friendly-Format-2020-/yjkw-uj5s

  20. SDOH Measures for Census Tract, ACS 2017-2021

    • catalog.data.gov
    • healthdata.gov
    • +1more
    Updated Feb 28, 2025
    + more versions
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    Centers for Disease Control and Prevention (2025). SDOH Measures for Census Tract, ACS 2017-2021 [Dataset]. https://catalog.data.gov/dataset/sdoh-measures-for-census-tract-acs-2017-2021
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    Dataset updated
    Feb 28, 2025
    Dataset provided by
    Centers for Disease Control and Preventionhttp://www.cdc.gov/
    Description

    This dataset contains census tract-level social determinants of health (SDOH) measures from the American Community Survey 5-year data for the entire United States—50 states and the District of Columbia. Data were downloaded from data.census.gov using Census API and processed by the Centers for Disease Control and Prevention (CDC), Division of Population Health, Epidemiology and Surveillance Branch. The project was funded by the Robert Wood Johnson Foundation in conjunction with the CDC Foundation. These measures complement existing PLACES measures, including PLACES SDOH measures (e.g., health insurance, routine check-up). These data can be used together with PLACES data to identify which health and SDOH issues overlap in a community to help inform public health planning. To access spatial data, please use the ArcGIS Online service: https://cdcarcgis.maps.arcgis.com/home/item.html?id=d51009ea78b54635be95c6ec9955ec17.

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U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products Branch (2025). 2020 Census Tracts [Dataset]. https://catalog.data.gov/dataset/census-tracts
Organization logo

2020 Census Tracts

Explore at:
149 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Jan 31, 2025
Dataset provided by
United States Census Bureauhttp://census.gov/
Description

This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) Database (MTDB). The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. Census tracts are small, relatively permanent statistical subdivisions of a county or equivalent entity, and were defined by local participants as part of the 2020 Census Participant Statistical Areas Program. The Census Bureau delineated the census tracts in situations where no local participant existed or where all the potential participants declined to participate. The primary purpose of census tracts is to provide a stable set of geographic units for the presentation of census data and comparison back to previous decennial censuses. Census tracts generally have a population size between 1,200 and 8,000 people, with an optimum size of 4,000 people. When first delineated, census tracts were designed to be homogeneous with respect to population characteristics, economic status, and living conditions. The spatial size of census tracts varies widely depending on the density of settlement. Physical changes in street patterns caused by highway construction, new development, and so forth, may require boundary revisions. In addition, census tracts occasionally are split due to population growth, or combined as a result of substantial population decline. Census tract boundaries generally follow visible and identifiable features. They may follow legal boundaries such as minor civil division (MCD) or incorporated place boundaries in some States and situations to allow for census tract-to-governmental unit relationships where the governmental boundaries tend to remain unchanged between censuses. State and county boundaries always are census tract boundaries in the standard census geographic hierarchy. In a few rare instances, a census tract may consist of noncontiguous areas. These noncontiguous areas may occur where the census tracts are coextensive with all or parts of legal entities that are themselves noncontiguous. For the 2010 Census and beyond, the census tract code range of 9400 through 9499 was enforced for census tracts that include a majority American Indian population according to Census 2000 data and/or their area was primarily covered by federally recognized American Indian reservations and/or off-reservation trust lands; the code range 9800 through 9899 was enforced for those census tracts that contained little or no population and represented a relatively large special land use area such as a National Park, military installation, or a business/industrial park; and the code range 9900 through 9998 was enforced for those census tracts that contained only water area, no land area.

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