Skip to content
Open Data Finder

Search results for county boundary

FiltersJSON

590 datasets for “county boundary”

  1. Socrata networkLive preview

    NCHS - Drug Poisoning Mortality by State: United States

    NCHS/DVSUpdated 25 Aug 2017

    … County boundaries are consistent with the vintage 2005-2007 bridged-race population file geographies (6).

    • CSV
    • JSON
    • SODA API
  2. Opendatasoft hubLive preview

    Counties - United States of America

    U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products BranchUpdated 6 Jun 2024

    … This dataset contains data for counties and equivalent entities in United States of America. The primary legal divisions …

    • CSV
    • JSON
    • GEOJSON
    • ODS API
  3. Socrata networkLive preview

    Volcano Boundary Buffers

    highways.hidot.hawaii.govUpdated 21 Aug 2021

    Volcano Lava Flow Hazard Zones - Hawaii County; Source: USGS, 1991. This layer is used to depict buffer zones …

    • CSV
    • JSON
    • SODA API
  4. Opendatasoft hubLive preview

    Counties - Vintage/Millésimé - United States of America

    U.S. Department of Commerce, U.S. Census Bureau, Geography Division, Spatial Data Collection and Products BranchUpdated 6 Jun 2024

    … This dataset contains data for counties and equivalent entities in United States of America. The primary legal divisions …

    • CSV
    • JSON
    • GEOJSON
    • ODS API
  5. Socrata networkLive preview

    Supervisorial Districts 2021

    data.sccgov.orgUpdated 18 May 2023

    … Effective January 13, 2022, this is the official GIS layer representing Supervisorial District Boundaries within Santa Clara County …

    • CSV
    • JSON
    • SODA API
  6. Socrata networkLive preview

    Washington_County_2022_GeologicFormations

    opendata.maryland.govUpdated 22 Jul 2025

    … quad boundaries, merged to form a continuous dataset and clipped to the extent of Washington County. Feature level …

    • CSV
    • JSON
    • SODA API
  7. Socrata networkLive preview

    Critical Areas Counties

    opendata.maryland.govUpdated 21 Jul 2025

    … The data were produced from hard copy parcel maps originally submitted by the counties as part of the …

    • CSV
    • JSON
    • SODA API
  8. Socrata networkLive preview

    Hydro - Centerlines

    internal.open.piercecountywa.govUpdated 2 Apr 2026

    … Adjacent county streams were edge-matched to the more accurate Pierce County hydrology at Pierce County’s boundary …

    • CSV
    • JSON
    • SODA API
  9. Socrata networkLive preview

    Council District Race/Ethnicity

    United States Census Bureau, ACSUpdated 30 Mar 2021

    Race/ethnicity population estimates for each of the seven Pierce County Council districts. Census tract level data from …

    • CSV
    • JSON
    • SODA API
  10. Socrata networkLive preview

    Council District Household Income Brackets

    United States Census Bureau, ACSUpdated 30 Mar 2021

    Household income bracket estimates for each of the seven Pierce County Council districts. Census tract level data from …

    • CSV
    • JSON
    • SODA API
  11. data.gov.ie

    Co. Donegal Municipal Districts

    Donegal County CouncilUpdated 22 Sept 2026

    … Municipal Districts for the new tier of local governance at sub-county level. The first election to the …

    • SHP
    • CSV
    • KML
    • JSON
  12. Socrata networkLive preview

    Municipal Courts

    internal.open.piercecountywa.govUpdated 4 Mar 2026

    Municipal Court jurisdictional boundary polygons within Pierce County (https://www.courts.wa.gov/court_dir/orgs/286.html …

    • CSV
    • JSON
    • SODA API
  13. Socrata networkLive preview

    PLANNINGCADASTRE_easement_polygons

    datahub.austintexas.govUpdated 12 Nov 2026

    <p>This feature class represents locations of easement boundaries (polygons) in the City of Austin and surrounding counties …

    • CSV
    • JSON
    • SODA API
  14. Socrata networkLive preview

    AB 617 "Path to Clean Air" - Jurisdictional Boundaries

    Bay Area Air Quality Management DistrictUpdated 5 Mar 2022

    … the northeast corner of the CERP Boundary); Unincorporated Contra Costa County: North Richmond: the full unincorporated place; Tara …

    • CSV
    • JSON
    • SODA API
  15. Opendatasoft hubLive preview

    Historic Census

    U.S. Census BureauUpdated 10 Mar 2026

    … County boundaries shown in maps reflect boundaries as defined in 2020. Historic boundaries for some counties may include …

    • CSV
    • JSON
    • GEOJSON
    • ODS API
  16. Socrata networkLive preview

    Election Precincts

    internal.open.piercecountywa.govUpdated 13 Sept 2026

    Election Precinct boundary polygons throughout Pierce County. Data was created from the census blocks as defined in 2021 …

    • CSV
    • JSON
    • SODA API
  17. Socrata networkLive preview

    Washington_County_2022_GeologicContactsAndFaults

    opendata.maryland.govUpdated 22 Jul 2025

    … quad boundaries, merged to form a continuous dataset and clipped to the extent of Washington County. Feature level …

    • CSV
    • JSON
    • SODA API
  18. Socrata networkLive preview

    City and Township Population Data

    MN State Demographic Center and the Metropolitan Council.Updated 1 Jun 2021

    … Cities that cross county boundaries are segmented by each county's portion (labeled "part"), as well as appearing …

    • CSV
    • JSON
    • SODA API
  19. Socrata networkLive preview

    Vital Signs: Displacement Risk - by county

    U.S. Census BureauUpdated 12 Dec 2018

    … Once all tracts in a given county or metro area are synced to today’s boundaries, the analysis …

    • CSV
    • JSON
    • SODA API
  20. Opendatasoft hubLive preview

    Counties and Unitary Authorities - United Kingdom

    Office for National StatisticsUpdated 1 Jul 2025

    … This dataset contains data for counties and unitary authorities in the United Kingdom. In 1974 a two-tier …

    • CSV
    • JSON
    • GEOJSON
    • ODS API
“county boundary” datasets · Open Data Finder