U.S. House seat for California's 34th congressional district. Representatives serve two-year terms.

8 candidates filed, 2 active for the 2026 House election in California District 34. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Jimmy Gomez D | 55.6% | 189,414 | |
| 2022 | Jimmy Gomez D | 51.2% | 121,467 | |
| 2020 | Jimmy Gomez D | 53.0% | 205,346 | |
| 2018 | Jimmy Gomez D | 72.5% | 151,906 | |
| 2016 | Xavier Becerra D | 77.2% | 159,156 | |
| 2014 | Xavier Becerra D | 72.5% | 61,621 | |
| 2012 | Xavier Becerra D | 85.6% | 140,590 | |
| 2010 | Lucille Roybal-Allard D | 77.2% | 89,839 | |
| 2008 | Lucille Roybal-Allard D | 77.1% | 127,769 | |
| 2006 | Lucille Roybal-Allard D | 76.8% | 74,818 | |
| 2004 | Lucille Roybal-Allard D | 74.5% | 110,457 | |
| 2002 | Lucille Roybal-Allard D | 74.0% | 65,824 | |
| 2000 | Grace F Napolitano D | 71.3% | 148,687 | |
| 1998 | Grace Flores Napolitano D | 67.6% | 113,075 | |
| 1996 | Esteban Edward Torres D | 68.4% | 138,440 |