California's 21st Congressional District is represented by Jim Costa (Democrat), who has served in the House since 2005 and has represented this district since redistricting in 2023. Costa has an overall VoteSee report card grade of C, voted in 96% of roll-call votes on bills this Congress, and votes with the Democratic majority 85% of the time. The district includes Fresno, Visalia, and Sanger. It takes in all or part of 2 counties, and 78% of residents live in Fresno County. About 758,000 people live in the district, and the median household income is $64,764.
Jim Costa (Democrat) has served in the House since 2005 and has represented California's 21st Congressional District since redistricting in 2023.
See Jim Costa's full voting record and issue positions →
Winner: Jim Costa.
Incumbent Jim Costa is running for re-election. 2 candidates were on the Nov 3, 2026 ballot.
California uses a top-two primary, so the two November candidates can be from the same party.
Polls: No public polls
Source: American Community Survey 2020–2024 5-year estimates, 119th Congress boundaries.
Members of Congress who previously represented California's 21st Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.
California's 21st Congressional District covers 891 square miles of land. Boundaries are for the current (119th) Congress.