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Colorado House District 45 Election Results

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

Colorado House District 45 was held by Republican after the 2018 general election, a two-party margin of 24.9 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 7,626 7,390 50.8% 1.6 pts
1974 Democratic 7,999 5,933 57.4% 14.8 pts
1976 Democratic 10,681 10,113 51.4% 2.7 pts
1978 Republican 6,471 7,674 45.8% 8.5 pts
1980 Republican 0 21,449 0.0% 100.0 pts
1982 Republican 0 9,606 0.0% 100.0 pts
1984 Republican 0 17,552 0.0% 100.0 pts
1986 Republican 7,286 10,058 42.0% 16.0 pts
1988 Republican 8,244 14,945 35.5% 28.9 pts
1990 Republican 0 14,440 0.0% 100.0 pts
1992 Democratic 14,150 10,202 58.1% 16.2 pts
1994 Republican 8,337 9,831 45.9% 8.2 pts
1996 Republican 10,070 11,708 46.2% 7.5 pts
1998 Republican 9,914 13,584 42.2% 15.6 pts
2000 Republican 13,421 14,752 47.6% 4.7 pts
2002 Republican 0 22,386 0.0% 100.0 pts
2004 Republican 13,057 29,761 30.5% 39.0 pts
2006 Republican 11,880 21,706 35.4% 29.3 pts
2008 Republican 18,318 37,609 32.8% 34.5 pts
2010 Republican 0 36,566 0.0% 100.0 pts
2012 Republican 12,388 28,681 30.2% 39.7 pts
2014 Republican 9,602 25,528 27.3% 45.3 pts
2016 Republican 15,109 35,321 30.0% 40.1 pts
2018 Republican 17,357 28,899 37.5% 24.9 pts

Winning Margin Over Time

1972: Democratic margin 1.6 pts 1974: Democratic margin 14.8 pts 1976: Democratic margin 2.7 pts 1978: Republican margin 8.5 pts 1980: Republican margin 100.0 pts 1982: Republican margin 100.0 pts 1984: Republican margin 100.0 pts 1986: Republican margin 16.0 pts 1988: Republican margin 28.9 pts 1990: Republican margin 100.0 pts 1992: Democratic margin 16.2 pts 1994: Republican margin 8.2 pts 1996: Republican margin 7.5 pts 1998: Republican margin 15.6 pts 2000: Republican margin 4.7 pts 2002: Republican margin 100.0 pts 2004: Republican margin 39.0 pts 2006: Republican margin 29.3 pts 2008: Republican margin 34.5 pts 2010: Republican margin 100.0 pts 2012: Republican margin 39.7 pts 2014: Republican margin 45.3 pts 2016: Republican margin 40.1 pts 2018: Republican margin 24.9 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 Colorado House District 45 at the 2018 election?

Republican held Colorado House District 45 at the 2018 general election, with a two-party margin of 24.9 points.

Which parties have held Colorado House District 45 since 1972?

Since 1972, Colorado House District 45 has been held by: Democratic, Republican.

What was the closest two-party race on record in Colorado House District 45?

The closest two-party margin on record for Colorado House District 45 was 1972, at just 1.6 percentage points.