Illinois House District 18 Election Results
Illinois House District 18 was held by Democratic after the 2018 general election, a two-party margin of 43.8 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
| Election | Winning Party | Dem. Votes | GOP Votes | Dem. Share | Margin |
|---|---|---|---|---|---|
| 1982 | Democratic | 24,983 | 0 | 100.0% | 100.0 pts |
| 1984 | Democratic | 23,221 | 4,854 | 82.7% | 65.4 pts |
| 1986 | Democratic | 16,733 | 3,670 | 82.0% | 64.0 pts |
| 1988 | Democratic | 20,848 | 3,830 | 84.5% | 69.0 pts |
| 1990 | Democratic | 12,074 | 0 | 100.0% | 100.0 pts |
| 1992 | Democratic | 30,413 | 7,542 | 80.1% | 60.3 pts |
| 1994 | Democratic | 17,159 | 4,762 | 78.3% | 56.5 pts |
| 1996 | Democratic | 26,910 | 5,353 | 83.4% | 66.8 pts |
| 1998 | Democratic | 19,879 | 4,112 | 82.9% | 65.7 pts |
| 2000 | Democratic | 28,671 | 0 | 100.0% | 100.0 pts |
| 2002 | Democratic | 22,542 | 9,364 | 70.7% | 41.3 pts |
| 2004 | Democratic | 35,458 | 11,645 | 75.3% | 50.6 pts |
| 2006 | Democratic | 27,734 | 0 | 100.0% | 100.0 pts |
| 2008 | Democratic | 39,727 | 0 | 100.0% | 100.0 pts |
| 2010 | Democratic | 28,154 | 0 | 100.0% | 100.0 pts |
| 2012 | Democratic | 32,545 | 19,292 | 62.8% | 25.6 pts |
| 2014 | Democratic | 28,256 | 0 | 100.0% | 100.0 pts |
| 2016 | Democratic | 36,794 | 20,580 | 64.1% | 28.3 pts |
| 2018 | Democratic | 37,012 | 14,478 | 71.9% | 43.8 pts |
Winning Margin Over Time
Frequently Asked Questions
Which party held Illinois House District 18 at the 2018 election?
Democratic held Illinois House District 18 at the 2018 general election, with a two-party margin of 43.8 points.
Which parties have held Illinois House District 18 since 1982?
Since 1982, Illinois House District 18 has been held by: Democratic.
What was the closest two-party race on record in Illinois House District 18?
The closest two-party margin on record for Illinois House District 18 was 2012, at just 25.6 percentage points.