California’s 52 United States representatives and 120 state legislators are all elected from political divisions called districts. District lines are redrawn every 10 years following completion of the United States census. Federal law stipulates that districts must have nearly equal populations and must not discriminate on the basis of race or ethnicity.
The California Citizens Redistricting Commission voted 14-0 in favor of a new congressional district map on Dec. 20, 2021, and delivered those maps to the secretary of state on Dec. 27. California was apportioned 52 seats in the U.S. House of Representatives after the 2020 census, a net loss of one seat compared to apportionment after the 2010 census. This map takes effect for California’s 2022 congressional elections. The California Citizens Redistricting Commission voted 14-0 in favor of a new state Assembly and Senate district maps on Dec. 20, 2021, and delivered those maps to the secretary of state on Dec. 27. These maps take effect for California’s 2022 state legislative elections. Click here for more information.
See the sections below for further information on the following topics:
- Summary: This section provides summary information about the drafting and enacting processes.
- Enactment: This section provides information about the enacted congressional and state legislative district maps.
- Apportionment and release of census data: This section details the 2020 apportionment process, including data from the United States Census Bureau.
- Drafting process: This section details the drafting process for new congressional and state legislative district maps.
- Court challenges: This section details court challenges to the enacted congressional and state legislative district maps.
- Background: This section summarizes federal and state-based requirements for redistricting at both the congressional and state legislative levels. A summary of the 2010 redistricting cycle in California is also provided.