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Illinois districts

Illinois's 18th congressional district: election results

U.S. House elections in Illinois's 18th congressional district, 1976 to 2020: winners, vote shares and margins. District lines are redrawn after each census, so the area covered changes over time.

D+100R+100D+50R+501976: R+15.519761978: R+31.819781980: R+24.319801998: R+100.019982000: R+34.120002002: R+100.020022004: R+40.520042006: R+34.620062008: R+20.920082010: R+43.320102012: R+48.320122014: R+49.420142016: R+44.320162018: R+34.520182020: R+40.82020
Illinois's 18th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
YearWinnerPartyShareMargin
2020 Darin LaHood Republican 70.4% 40.8
2018 Darin LaHood Republican 67.2% 34.5
2016 Darin LaHood Republican 72.1% 44.3
2015 special Darin LaHood Republican 68.8% 37.7
2014 Aaron Schock Republican 74.7% 49.4
2012 Aaron Schock Republican 74.2% 48.3
2010 Aaron Schock Republican 69.1% 43.3
2008 Aaron Schock Republican 58.9% 20.9
2006 Ray H. LaHood Republican 67.3% 34.6
2004 Ray H. LaHood Republican 70.2% 40.5
2002 Ray H. LaHood Republican 100.0% —
2000 Ray H. LaHood Republican 67.1% 34.1
1998 Ray H. LaHood Republican 100.0% —
1980 Robert H. Michel Republican 62.1% 24.3
1978 Robert H. Michel Republican 65.9% 31.8
1976 Robert H. Michel Republican 57.7% 15.5

2020

CandidatePartyVotesShareBar
Darin LaHood WonREP261,84070.41%
George PetrilliDEM110,03929.59%
Total371,879

2018

CandidatePartyVotesShareBar
Darin LaHood WonREP195,92767.23%
Junius RodriguezDEM95,48632.77%
Total291,413

2016

CandidatePartyVotesShareBar
Darin LaHood WonREP250,50672.13%
Junius RodriguezDEM96,77027.87%
Don VanceW70.00%
Total347,283

Questions and answers

Who won the last election in Illinois's 18th congressional district?

Darin LaHood won in 2020 by 40.8 points.

Results: FiveThirtyEight, from official sources.