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Illinois House District 45 Election Results

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

Illinois House District 45 was held by Democratic after the 2018 general election, a two-party margin of 0.6 points. This page covers every general election on record for this district from 1982 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
1982 Republican 6,499 14,028 31.7% 36.7 pts
1984 Republican 0 24,986 0.0% 100.0 pts
1986 Republican 0 18,743 0.0% 100.0 pts
1988 Republican 0 31,861 0.0% 100.0 pts
1990 Republican 6,966 16,864 29.2% 41.5 pts
1992 Republican 11,073 25,800 30.0% 39.9 pts
1994 Republican 0 16,977 0.0% 100.0 pts
1996 Republican 0 23,025 0.0% 100.0 pts
1998 Republican 0 18,257 0.0% 100.0 pts
2000 Republican 0 22,515 0.0% 100.0 pts
2002 Republican 7,610 17,117 30.8% 38.5 pts
2004 Republican 0 30,162 0.0% 100.0 pts
2006 Republican 10,898 14,532 42.9% 14.3 pts
2008 Republican 18,497 20,371 47.6% 4.8 pts
2010 Republican 9,750 16,872 36.6% 26.8 pts
2012 Republican 19,375 24,084 44.6% 10.8 pts
2014 Republican 14,581 17,420 45.6% 8.9 pts
2016 Republican 22,618 25,876 46.6% 6.7 pts
2018 Democratic 19,583 19,344 50.3% 0.6 pts

Winning Margin Over Time

1982: Republican margin 36.7 pts 1984: Republican margin 100.0 pts 1986: Republican margin 100.0 pts 1988: Republican margin 100.0 pts 1990: Republican margin 41.5 pts 1992: Republican margin 39.9 pts 1994: Republican margin 100.0 pts 1996: Republican margin 100.0 pts 1998: Republican margin 100.0 pts 2000: Republican margin 100.0 pts 2002: Republican margin 38.5 pts 2004: Republican margin 100.0 pts 2006: Republican margin 14.3 pts 2008: Republican margin 4.8 pts 2010: Republican margin 26.8 pts 2012: Republican margin 10.8 pts 2014: Republican margin 8.9 pts 2016: Republican margin 6.7 pts 2018: Democratic margin 0.6 pts 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 Illinois House District 45 at the 2018 election?

Democratic held Illinois House District 45 at the 2018 general election, with a two-party margin of 0.6 points.

Which parties have held Illinois House District 45 since 1982?

Since 1982, Illinois House District 45 has been held by: Democratic, Republican.

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

The closest two-party margin on record for Illinois House District 45 was 2018, at just 0.6 percentage points.