California's congressional districts

California is the most populous U.S. state; as a result, it has the most representation in the United States House of Representatives, with 52 Representatives. Each Representative represents one congressional district.

Per the 2020 United States census, California lost a congressional seat which it had gained after the 2000 census, reducing its total seats from 53 to 52 starting from the 2022 elections and its subsequent 118th Congress. This marked the first time in the state's history where it lost a seat.