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Pennsylvania districts

Pennsylvania's 18th congressional district: election results

U.S. House elections in Pennsylvania'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: D+18.919761978: D+15.019781980: D+36.919801998: D+35.419982000: D+38.820002002: R+20.320022004: R+25.520042006: R+15.720062008: R+28.120082010: R+34.720102012: R+27.920122014: R+100.020142016: R+100.020162018: D+100.020182020: D+38.52020
Pennsylvania's 18th congressional district: Republican minus Democratic share, in points. Bars above the line lean Republican, below lean Democratic.
YearWinnerPartyShareMargin
2020 Mike Doyle Democratic 69.2% 38.5
2018 Mike Doyle Democratic 100.0% —
2018 special Conor Lamb Democratic 49.9% 0.3
2016 Tim Murphy Republican 100.0% —
2014 Tim Murphy Republican 100.0% —
2012 Tim Murphy Republican 64.0% 27.9
2010 Tim Murphy Republican 67.3% 34.7
2008 Tim Murphy Republican 64.1% 28.1
2006 Tim Murphy Republican 57.8% 15.7
2004 Tim Murphy Republican 62.8% 25.5
2002 Tim Murphy Republican 60.1% 20.3
2000 Mike Doyle Democratic 69.4% 38.8
1998 Mike Doyle Democratic 67.7% 35.4
1980 Douglas Walgren Democratic 68.5% 36.9
1978 Douglas Walgren Democratic 57.1% 15.0
1976 Douglas Walgren Democratic 59.5% 18.9

2020

CandidatePartyVotesShareBar
Mike Doyle WonDEM266,08469.25%
Luke Edison NegronREP118,16330.75%
Total384,247

2018

CandidatePartyVotesShareBar
Mike Doyle WonDEM231,472100.00%
Total231,472

2018 (special)

CandidatePartyVotesShareBar
Conor Lamb WonDEM114,10249.86%
Richard SacconeREP113,34749.53%
Drew Gray MillerLIB1,3810.60%
Total228,830

Questions and answers

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

Mike Doyle won in 2020 by 38.5 points.

Results: FiveThirtyEight, from official sources.