California's 40th Congressional District (CA-40)
Last updated · 6 sources
Young Kim, a Republican, has represented the district since 2023.
The district includes parts of Orange, San Bernardino, and Riverside counties.
According to the Census Bureau's 2020–2024 American Community Survey 5-year estimates, the district has a population of 753,713, a median household income of $134,712, and a median age of 42.4. Of residents 25 and older, 51.5% hold a bachelor's degree or higher.
Representative
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-40 uses the new map's CA-40; the map on this page shows the district as currently drawn (119th Congress).
2026 election
Kim has filed with the FEC to run for this seat in 2026. 12 candidates for the seat have reported receipts to the FEC.
12 candidates have reported raising money for the 2026 CA-40 race to the FEC.
Election Day: Tuesday, November 3, 2026
| Candidate | Party | Raised | Cash on hand | Through |
|---|---|---|---|---|
| Young Kim (incumbent) | Republican | $8,837,239 | $1,680,490 | Jun 30 |
| Ken Calvert (incumbent) | Republican | $6,142,469 | $1,497,001 | Jun 30 |
| Esther Kim Varet | Democratic | $2,940,674 | $254,689 | Jun 30 |
| Christina Gagnier | Democratic | $606,523 | $22,387 | Jun 30 |
| Lisa D. Ramirez | Democratic | $519,018 | $0 | Jun 21 |
| Nina Linh | Independent | $442,117 | $0 | Jun 30 |
| Joseph Kerr | Democratic | $276,299 | $9,895 | Jun 30 |
| Perry Meade | Democratic | $276,079 | $47,935 | Jun 30 |
| Tiffanie Tate | Democratic | $66,421 | $0 | Mar 31 |
| Claude Manuel Keissieh | Democratic | $34,100 | $0 | Jun 2 |
| Paula Williams Swift | Democratic | $14,546 | $0 | Dec 15 |
| Christian Tyler Ahmed | Independent | $30 | $130 | Jun 3 |
Includes primary candidates; FEC filings do not record primary results. FEC race page
District profile
- Population
- 753,713
- Median household income
- $134,712
- Median age
- 42.4
- Bachelor's degree or higher
- 51.5%
Census Bureau, 2020–2024 American Community Survey 5-year estimates
California senators
Adam SchiffU.S. Senator for California · Democrat
Alex PadillaU.S. Senator for California · Democrat
Neighboring districts
Sources
- District boundaries (Census Bureau cartographic boundary file, 119th Congress) · retrieved Oct 2, 2026
- Counties by district (Census Bureau relationship file) · retrieved Oct 2, 2026
- District profile (Census Bureau, 2020–2024 American Community Survey 5-year estimates) · retrieved Oct 2, 2026
- congress-legislators (member data, CC0) · retrieved Oct 2, 2026
- 2026 congressional map
- Candidates and totals (Federal Election Commission) · retrieved Oct 2, 2026