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California House District 1 Election Results

Compiled by EveryElectionResult.com's data team · Last updated 2026-08-30

California House District 1 was held by Republican after the 2018 general election, a two-party margin of 26.7 points. This page covers every general election on record for this district from 1972 to 2018.

This page covers the state House (lower chamber) general election only, two-party vote totals (Democratic vs. Republican). District lines here are redrawn at least once a decade, so an older and newer election under the same district number don't necessarily cover the same voters -- see the sourcing note below.

Results by Election

ElectionWinning PartyDem. VotesGOP VotesDem. ShareMargin
1972 Democratic 67,078 27,137 71.2% 42.4 pts
1974 Democratic 49,497 44,583 52.6% 5.2 pts
1976 Republican 52,157 70,276 42.6% 14.8 pts
1978 Republican 0 93,238 0.0% 100.0 pts
1980 Republican 0 114,547 0.0% 100.0 pts
1982 Republican 35,576 80,108 30.8% 38.5 pts
1984 Republican 0 109,941 0.0% 100.0 pts
1986 Republican 31,211 77,595 28.7% 42.6 pts
1988 Republican 40,866 94,708 30.1% 39.7 pts
1990 Republican 52,165 68,755 43.1% 13.7 pts
1992 Democratic 102,093 61,623 62.4% 24.7 pts
1994 Democratic 87,749 48,148 64.6% 29.1 pts
1996 Democratic 87,800 69,917 55.7% 11.3 pts
1998 Democratic 87,403 47,662 64.7% 29.4 pts
2000 Democratic 108,184 51,753 67.6% 35.3 pts
2002 Democratic 64,065 52,659 54.9% 9.8 pts
2004 Democratic 120,157 64,587 65.0% 30.1 pts
2006 Democratic 99,626 47,196 67.8% 35.7 pts
2008 Democratic 137,777 56,870 70.8% 41.6 pts
2010 Democratic 98,250 61,414 61.5% 23.1 pts
2012 Republican 0 177,018 0.0% 100.0 pts
2014 Republican 44,119 104,103 29.8% 40.5 pts
2016 Republican 0 148,657 0.0% 100.0 pts
2018 Republican 71,576 123,726 36.6% 26.7 pts

Winning Margin Over Time

1972: Democratic margin 42.4 pts 1974: Democratic margin 5.2 pts 1976: Republican margin 14.8 pts 1978: Republican margin 100.0 pts 1980: Republican margin 100.0 pts 1982: Republican margin 38.5 pts 1984: Republican margin 100.0 pts 1986: Republican margin 42.6 pts 1988: Republican margin 39.7 pts 1990: Republican margin 13.7 pts 1992: Democratic margin 24.7 pts 1994: Democratic margin 29.1 pts 1996: Democratic margin 11.3 pts 1998: Democratic margin 29.4 pts 2000: Democratic margin 35.3 pts 2002: Democratic margin 9.8 pts 2004: Democratic margin 30.1 pts 2006: Democratic margin 35.7 pts 2008: Democratic margin 41.6 pts 2010: Democratic margin 23.1 pts 2012: Republican margin 100.0 pts 2014: Republican margin 40.5 pts 2016: Republican margin 100.0 pts 2018: Republican margin 26.7 pts 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018

Frequently Asked Questions

Which party held California House District 1 at the 2018 election?

Republican held California House District 1 at the 2018 general election, with a two-party margin of 26.7 points.

Which parties have held California House District 1 since 1972?

Since 1972, California House District 1 has been held by: Democratic, Republican.

What was the closest two-party race on record in California House District 1?

The closest two-party margin on record for California House District 1 was 1974, at just 5.2 percentage points.