California's 31st Congressional District is represented by Gilbert Cisneros (Democrat), who has held the seat since 2025. Cisneros has an overall VoteSee report card grade of D, voted in 100% of roll-call votes on bills this Congress, and votes with the Democratic majority 98% of the time. The district includes West Covina, El Monte, and Baldwin Park. It covers part of Los Angeles County. About 736,000 people live in the district, and the median household income is $91,699.
Gilbert Cisneros (Democrat) has represented California's 31st Congressional District since 2025.
See Gilbert Cisneros's full voting record and issue positions →
Winner: Gil Cisneros.
Incumbent Gil Cisneros 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 31st Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.
California's 31st Congressional District covers 208 square miles of land. Boundaries are for the current (119th) Congress.