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California's 31st Congressional District (CA-31)

Last updated · 6 sources

Gil Cisneros, a Democrat, has represented the district since 2025.

The district includes part of Los Angeles County.

According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 736,368, a median household income of $91,699, and a median age of 39.1. Of residents 25 and older, 25.3% hold a bachelor's degree or higher.

Representative

Official portrait of Gil Cisneros, U.S. Representative for California's 31st District
Gil Cisneros

U.S. Representative for California's 31st District · Democrat

ProfileSchedule this week

2026 redistricting

California uses a new congressional map in 2026: AB 604 (Proposition 50), approved by voters Nov 4, 2025.

The 2026 election for CA-31 uses the new map's CA-31; the map on this page shows the district as currently drawn (119th Congress).

Source · All 2026 redistricting changes

2026 election

Cisneros has filed with the FEC to run for this seat in 2026. 2 candidates for the seat have reported receipts to the FEC.

2 candidates have reported raising money for the 2026 CA-31 race to the FEC.

Election Day: Tuesday, November 3, 2026

Candidates for CA-31 in 2026 who reported raising money to the FEC
CandidatePartyRaisedCash on handThrough
Gil CisnerosDemocratic$705,263$259,803Jun 30
Eric J. ChingRepublican$81,571$64,913Jun 30

Includes primary candidates; FEC filings do not record primary results. FEC race page

District profile

Population
736,368
Median household income
$91,699
Median age
39.1
Bachelor's degree or higher
25.3%

Census Bureau, 2020–2024 American Community Survey 5-year estimates

California senators

Neighboring districts

Sources