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2020 California Redistricting Maps

The authoritative and official final approved maps by the 2020 California Citizens Redistricting Commission for the 2020 redistricting cycle. The Citizens Redistricting Commission for the State of California has created statewide district maps for the State Assembly, State Senate, State Board of Equalization, and United States Congress in accordance, with the provisions of Article XXI of the California Constitution. The Commission has approved the final maps and certified them to the Secretary of State.Line drawing criteria included population equality as required by the U.S. Constitution, the Federal Voting Rights Act, geographic contiguity, geographic integrity, geographic compactness, and nesting. Geography was defined by U.S. Census Block geometry.

Data files

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Supporting files

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ArcGIS Hub Dataset

HTML
01/29/25

ArcGIS GeoService

ARCGIS GEOSERVICES REST API
01/29/25

API endpoint

Dataset Name

Use the query web API to retrieve data with a set of basic parameters. Copy the API endpoint you need to start.

Usage documentation