Datasets available for download
Visit the Statewide Database, the Redistricting Database for the State of California, for additional datasets. The Statewide Database hosts redistricting, election, and Census data, and is responsible for collecting and processing data for California’s decennial redistricting.
The data available for our states are Precinct Boundary and Election Results, Aggregated Voter File Data, Incumbent Addresses (by request), Population Projections, PL 94-171, Legislative Boundaries, American Community Survey (ACS), Citizen Voting Age Projections (CVAP) and TIGER Boundary files. Learn more about our data and if you need a redistricting dataset we don’t have, let us know what you need and why
This state has a constitutional or statutory requirement for modifying the PL 94-171 data prior to redistricting. The data hosted on this website is not the data used by the official redistricting body or bodies in this state. For the official data, go to The Statewide Database’s Redistricting page. For more information about state modifications, visit our State Modifications Report
Download data individually. Register for an account to download data.
Datasets of note for this state.
| Name | Source | Uploaded |
|---|---|---|
| 2020 Block PL 94-171 Official | Statewide Database | 9/29/21 |
| Assembly Districts Plan Approved 2021 (SLDL) | We Draw the Lines CA | 1/12/22 |
| Congressional Districts Plan Approved 2021 | We Draw the Lines CA | 1/12/22 |
| Senate Districts Plan Approved 2021 (SLDU) | We Draw the Lines CA | 1/12/22 |
| 2022 Primary L2 Voter File Aggregated to 2020 Census Blocks | L2 | 11/30/22 |
| 2022 L2 Voter File Elections Turnout Statistics Aggregated to Counties | L2 | 8/16/23 |
| 2022 L2 Voter File Elections Turnout Statistics Aggregated to 2020 Census Blocks | L2 | 8/16/23 |
Search by title or use the filters to find the data you need and download the files individually.
To learn more about the rules, criteria, and litigation, please visit All About Redistricting’s California state page.
To learn more about how to use this data in the redistricting process read our Redistricting Readiness Checklist. For help in deciding on the mapping software to use this data in drawing Community of Interest and District Maps, use our Choose Your Own Mapping Tool. You can also reach out to our help desk with your questions!