CA-16 — 2020 U.S. House election
Recent presidential results, current district lines
Akashiccongressional district2020 US House electionCA-16 · U.S. HouseCostaD+18.8
How it voted
Share of the 2020 vote
| Jim Costa (i) ✓Democrat | 59.4% | 128,690 |
|---|---|---|
| Kevin CookinghamRepublican | 40.6% | 88,039 |
D+60R+60
District boundary, filled by its own 2020 D-vs-R margin — precinct detail where available, over faint county context.
The boundary drawn is the current CA-16 (cd:120, the 2026 map); the 2020 election ran under that decade's own lines. The result shown is the certified 2020 contest.
Margin history
CA-16 across every cycle on record. Each year links to its district page.
| Year | Won | Margin | Votes |
|---|---|---|---|
| 2024 | D | 308,476 | |
| 2022 | D | 241,007 | |
| 2020 | D | 216,729 | |
| 2018 | D | 142,959 | |
| 2016 | D | 167,956 | |
| 2014 | D | 91,220 | |
| 2012 | D | 147,450 | |
| 2010 | D | 156,058 | |
| 2008 | D | 205,327 | |
| 2006 | D | 136,059 | |
| 2004 | D | 182,281 | |
| 2002 | D | 107,986 | |
| 2000 | D | 159,746 | |
| 1998 | D | 117,414 | |
| 1996 | D | 143,207 | |
| 1994 | D | 115,352 | |
| 1992 | D | 155,883 | |
| 1990 | D | 181,002 | |
| 1988 | D | 225,827 | |
| 1986 | D | 163,498 | |
| 1984 | D | 216,687 | |
| 1982 | D | 167,078 | |
| 1980 | D | 223,035 | |
| 1978 | D | 170,358 | |
| 1976 | D | 195,705 |
Same ballot, 2020CA
Source. MIT Election Data + Science Lab — 2020 US House returns, party-classified by literal ballot party · results as certified for the 2020 contest; the boundary drawn and the presidential strip use the current district map (cd:120, the 2026 lines) — the election itself ran under earlier lines. Real returns — nothing estimated.