U.S. House seat for California's 16th congressional district. Representatives serve two-year terms.

5 candidates filed, 2 active for the 2026 House election in California District 16. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Sam Liccardo D | 58.2% | 308,476 | |
| 2022 | Anna G Eshoo D | 57.8% | 241,007 | |
| 2020 | Jim Costa D | 59.4% | 216,729 | |
| 2018 | Jim Costa D | 57.5% | 142,959 | |
| 2016 | Jim Costa D | 58.0% | 167,956 | |
| 2014 | Jim Costa D | 50.7% | 91,220 | |
| 2012 | Jim Costa D | 57.4% | 147,450 | |
| 2010 | Zoe Lofgren D | 67.8% | 156,058 | |
| 2008 | Zoe Lofgren D | 71.3% | 205,327 | |
| 2006 | Zoe Lofgren D | 72.7% | 136,059 | |
| 2004 | Zoe Lofgren D | 70.9% | 182,281 | |
| 2002 | Zoe Lofgren D | 67.0% | 107,986 | |
| 2000 | Zoe Lofgren D | 72.1% | 159,746 | |
| 1998 | Zoe Lofgren D | 72.8% | 117,414 | |
| 1996 | Zoe Lofgren D | 65.7% | 143,207 |