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Illinois districts

Illinois's 8th congressional district: election results

U.S. House elections in Illinois's 8th congressional district, 1976 to 2024: winners, vote shares and margins. District lines are redrawn after each census, so the area covered changes over time.

Current representative: Raja Krishnamoorthi (Democrat), term ends 2027-01-03.

D+80R+80D+40R+401976: D+61.119761978: D+71.91980: D+69.319801998: R+37.32000: R+22.020002002: R+14.92004: D+3.420042006: D+6.92008: D+21.420082010: R+0.12012: D+9.520122014: D+11.52016: D+16.620162018: D+32.02020: D+73.220202022: D+13.82024: D+14.12024
Illinois's 8th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
YearWinnerPartyShareMargin
2024 Raja Krishnamoorthi Democratic 57.1% 14.1
2022 Raja Krishnamoorthi Democratic 56.9% 13.8
2020 Raja Krishnamoorthi Democratic 73.2% 46.3
2018 Raja Krishnamoorthi Democratic 66.0% 32.0
2016 Raja Krishnamoorthi Democratic 58.3% 16.6
2014 Tammy Duckworth Democratic 55.7% 11.5
2012 Tammy Duckworth Democratic 54.7% 9.5
2010 Joe Walsh Republican 48.5% 0.1
2008 Melissa Bean Democratic 60.7% 21.4
2006 Melissa Bean Democratic 50.9% 6.9
2004 Melissa Bean Democratic 51.7% 3.4
2002 Philip Crane Republican 57.4% 14.9
2000 Philip Crane Republican 61.0% 22.0
1998 Philip Crane Republican 68.6% 37.3
1980 Daniel D. Rostenkowski Democratic 84.7% 69.3
1978 Daniel D. Rostenkowski Democratic 86.0% 71.9
1976 Daniel D. Rostenkowski Democratic 80.5% 61.1

2024

CandidatePartyVotesShareBar
Raja Krishnamoorthi WonDEM172,92057.06%
Mark RiceREP130,15342.94%
Total303,073

2022

CandidatePartyVotesShareBar
Raja Krishnamoorthi WonDEM117,88056.89%
Chris DargisREP89,33543.11%
Total207,215

2020

CandidatePartyVotesShareBar
Raja Krishnamoorthi WonDEM186,25173.16%
Preston NelsonLIB68,32726.84%
Total254,578

Questions and answers

Who represents Illinois's 8th congressional district?

Raja Krishnamoorthi (Democrat) is the current representative; the term ends on 2027-01-03.

Who won the last election in Illinois's 8th congressional district?

Raja Krishnamoorthi won in 2024 by 14.1 points.

Results: FiveThirtyEight, from official sources.