U.S. House seat for California's 52nd congressional district. Representatives serve two-year terms.

4 candidates filed, 2 active for the 2026 House election in California District 52. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Juan Vargas D | 66.3% | 259,718 | |
| 2022 | Juan Vargas D | 66.7% | 151,016 | |
| 2020 | Scott H Peters D | 61.6% | 396,495 | |
| 2018 | Scott Peters D | 63.8% | 296,007 | |
| 2016 | Scott H Peters D | 56.5% | 320,656 | |
| 2014 | Scott H Peters D | 51.6% | 191,572 | |
| 2012 | Scott Peters D | 51.2% | 295,910 | |
| 2010 | Duncan Hunter R | 63.1% | 221,062 | |
| 2008 | Duncan D Hunter R | 56.4% | 285,091 | |
| 2006 | Duncan Hunter R | 64.6% | 191,369 | |
| 2004 | Duncan Hunter R | 69.2% | 271,438 | |
| 2002 | Duncan Hunter R | 70.2% | 169,010 | |
| 2000 | Duncan Hunter R | 64.7% | 202,994 | |
| 1998 | Duncan Hunter R | 75.7% | 153,564 | |
| 1996 | Duncan Hunter R | 65.5% | 178,321 |