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Ohio House District 18 Election Results

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

Ohio House District 18 was held by Democratic after the 2018 general election, a two-party margin of 59.7 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 28,805 14,454 66.6% 33.2 pts
1974 Democratic 22,416 8,138 73.4% 46.7 pts
1976 Democratic 29,978 6,626 81.9% 63.8 pts
1978 Democratic 20,954 0 100.0% 100.0 pts
1980 Democratic 22,875 0 100.0% 100.0 pts
1982 Democratic 26,071 16,290 61.5% 23.1 pts
1984 Democratic 31,218 15,880 66.3% 32.6 pts
1986 Democratic 28,307 0 100.0% 100.0 pts
1988 Democratic 37,009 0 100.0% 100.0 pts
1990 Democratic 28,956 10,196 74.0% 47.9 pts
1992 Democratic 29,851 22,934 56.5% 13.1 pts
1994 Democratic 23,926 16,983 58.5% 17.0 pts
1996 Democratic 29,174 18,434 61.3% 22.6 pts
1998 Democratic 16,574 16,477 50.1% 0.3 pts
2000 Democratic 27,637 20,039 58.0% 15.9 pts
2002 Republican 17,383 19,875 46.7% 6.7 pts
2004 Republican 17,587 35,059 33.4% 33.2 pts
2006 Republican 18,509 26,118 41.5% 17.1 pts
2008 Democratic 28,425 27,468 50.9% 1.7 pts
2010 Republican 20,115 22,149 47.6% 4.8 pts
2012 Democratic 35,174 12,789 73.3% 46.7 pts
2014 Democratic 16,859 5,784 74.5% 48.9 pts
2016 Democratic 36,519 15,551 70.1% 40.3 pts
2018 Democratic 37,254 9,409 79.8% 59.7 pts

Winning Margin Over Time

1972: Democratic margin 33.2 pts 1974: Democratic margin 46.7 pts 1976: Democratic margin 63.8 pts 1978: Democratic margin 100.0 pts 1980: Democratic margin 100.0 pts 1982: Democratic margin 23.1 pts 1984: Democratic margin 32.6 pts 1986: Democratic margin 100.0 pts 1988: Democratic margin 100.0 pts 1990: Democratic margin 47.9 pts 1992: Democratic margin 13.1 pts 1994: Democratic margin 17.0 pts 1996: Democratic margin 22.6 pts 1998: Democratic margin 0.3 pts 2000: Democratic margin 15.9 pts 2002: Republican margin 6.7 pts 2004: Republican margin 33.2 pts 2006: Republican margin 17.1 pts 2008: Democratic margin 1.7 pts 2010: Republican margin 4.8 pts 2012: Democratic margin 46.7 pts 2014: Democratic margin 48.9 pts 2016: Democratic margin 40.3 pts 2018: Democratic margin 59.7 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 Ohio House District 18 at the 2018 election?

Democratic held Ohio House District 18 at the 2018 general election, with a two-party margin of 59.7 points.

Which parties have held Ohio House District 18 since 1972?

Since 1972, Ohio House District 18 has been held by: Democratic, Republican.

What was the closest two-party race on record in Ohio House District 18?

The closest two-party margin on record for Ohio House District 18 was 1998, at just 0.3 percentage points.