California House District 42 Election Results

California House District 42 was held by Republican after the 2018 general election, a two-party margin of 12.0 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 49,713 25,237 66.3% 32.7 pts
1974 Republican 33,470 50,259 40.0% 20.1 pts
1976 Republican 39,772 62,145 39.0% 21.9 pts
1978 Republican 36,545 48,449 43.0% 14.0 pts
1980 Republican 44,615 53,385 45.5% 8.9 pts
1982 Republican 34,327 75,214 31.3% 37.3 pts
1984 Republican 32,033 82,721 27.9% 44.2 pts
1986 Republican 0 77,047 0.0% 100.0 pts
1988 Republican 33,064 80,982 29.0% 42.0 pts
1990 Republican 32,594 48,922 40.0% 20.0 pts
1992 Democratic 112,864 44,584 71.7% 43.4 pts
1994 Democratic 74,303 36,932 66.8% 33.6 pts
1996 Democratic 87,256 37,921 69.7% 39.4 pts
1998 Democratic 81,130 24,140 77.1% 54.1 pts
2000 Democratic 100,238 28,171 78.1% 56.1 pts
2002 Democratic 84,012 29,049 74.3% 48.6 pts
2004 Democratic 143,376 46,715 75.4% 50.9 pts
2006 Democratic 94,619 27,539 77.5% 54.9 pts
2008 Democratic 142,456 44,803 76.1% 52.1 pts
2010 Democratic 106,029 38,836 73.2% 46.4 pts
2012 Republican 67,823 81,768 45.3% 9.3 pts
2014 Republican 42,082 56,517 42.7% 14.6 pts
2016 Republican 72,581 97,864 42.6% 14.8 pts
2018 Republican 61,579 78,433 44.0% 12.0 pts

Winning Margin Over Time

1972: Democratic margin 32.7 pts 1974: Republican margin 20.1 pts 1976: Republican margin 21.9 pts 1978: Republican margin 14.0 pts 1980: Republican margin 8.9 pts 1982: Republican margin 37.3 pts 1984: Republican margin 44.2 pts 1986: Republican margin 100.0 pts 1988: Republican margin 42.0 pts 1990: Republican margin 20.0 pts 1992: Democratic margin 43.4 pts 1994: Democratic margin 33.6 pts 1996: Democratic margin 39.4 pts 1998: Democratic margin 54.1 pts 2000: Democratic margin 56.1 pts 2002: Democratic margin 48.6 pts 2004: Democratic margin 50.9 pts 2006: Democratic margin 54.9 pts 2008: Democratic margin 52.1 pts 2010: Democratic margin 46.4 pts 2012: Republican margin 9.3 pts 2014: Republican margin 14.6 pts 2016: Republican margin 14.8 pts 2018: Republican margin 12.0 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 42 at the 2018 election?

Republican held California House District 42 at the 2018 general election, with a two-party margin of 12.0 points.

Which parties have held California House District 42 since 1972?

Since 1972, California House District 42 has been held by: Democratic, Republican.

What was the closest two-party race on record in California House District 42?

The closest two-party margin on record for California House District 42 was 1980, at just 8.9 percentage points.