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8 datasets

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...

CA State Assembly Districts and Membership 2024 to 2026

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...

CA Congress Districts and Membership 2024-2026

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

The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes ar...

2020 California Redistricting Maps

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

The authoritative and official final approved maps by the 2020 California Citizens Redistricting Commission for the 2020 redistricting cycle. The Ci...

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...

California State Senate District Active, Deferred and Accelerated Boundaries 2023-2024

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

Senate Districts in California with boundaries showing active, deferred, and accelerated district boundaries until the 2024 Election. This data is ava...