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55 datasets

Community Vulnerability (BCDC 2020)

Published by: San Francisco Bay Conservation and Development Commission
Last updated: Friday, October 10, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The San Francisco Bay Conservation and Development Commission Adapting to Rising Tides Program developed a dataset to better understand community vuln...

California US Congressional Districts Map 2020

Published by: California Citizens Redistricting Commission
Last updated: Monday, March 24, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Final approved map by the 2020 California Citizens Redistricting Commission for California's United States Congressional Districts; the authoritativ...

California State Assembly Districts Map 2020

Published by: California Citizens Redistricting Commission
Last updated: Monday, March 24, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Final approved map by the 2020 California Citizens Redistricting Commission for the California State Assembly; the authoritative and official delineat...

California State Senate Districts Map 2020

Published by: California Citizens Redistricting Commission
Last updated: Monday, March 24, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Final approved map by the 2020 California Citizens Redistricting Commission for the California State Senate; the authoritative and official delineatio...

CalHHS Data De-Identification Guidelines Reference Dataset

Published by: California Health and Human Services Agency
Last updated: Tuesday, October 14, 2025
File types: CSV

These datasets are part of the California Health and Human Services Agency (CalHHS) Data De-Identification Guidelines (DDG) in the "State and County P...

California Urban Area Delineations

Published by: California Department of Finance
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

The Census Bureau released revised delineations for urban areas on December 29, 2022. The new criteria (contained in this Federal Register Notice) is ...

CA State Senate Districts and Membership 2025-2030

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is the last boundary change until the next redistricting following the 2030 Census. All of the districts now reflect the 2021 Citizens Redistrict...

SB 1000 Populations

Published by: California Energy Commission
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Definitions:Urban: Contiguous urban census tracts with a population of 50,000 or greater. Urban census tracts are tracts where at least 10 percent of ...

Medical Service Study Areas

Published by: Department of Health Care Access and Information
Last updated: Monday, October 13, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is the current Medical Service Study Area. California Medical Service Study Areas are created by the California Department of Health Care Access ...

California Schools and Legislative Districts

Published by: California Department of Education
Last updated: Monday, October 13, 2025
File types: HTML

This web map of California legislative districts includes the geographically defined territories used for representation in the California State Assem...