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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/1980/US Senate/Illinois
      1980·US Senate·Illinois

      Illinois US Senate

      Winner
      DEM
      Alan J. Dixon
      56.0%2,565,302 votes
      Runner-up
      REP
      David C. O'Neal
      42.5%1,946,296 votes
      Margin
      D+13.5
      4,580,029 total votes
      3 candidates4,580,029 total votes
      CandidatePartyVotes ▼%Vote Share
      Alan J. DixonDEM✓
      		DEM2,565,30256.0%
      David C. O'NealREP
      		REP1,946,29642.5%
      OtherOTH
      		OTH68,4311.5%

      Seat History

      US Senate in Illinois(Class I)

      2022
      Tammy DuckworthDEM
      D+15.3
      2020
      Richard J DurbinDEM
      D+16.1
      2016
      Tammy DuckworthDEM
      D+15.1
      2014
      Richard J DurbinDEM
      D+10.8
      2010
      Mark Steven KirkREP
      R+1.6
      2008
      Richard J DurbinDEM
      D+39.3
      2004
      Barack ObamaDEM
      D+42.9
      2002
      Richard J DurbinDEM
      D+22.3
      1998
      Peter G FitzgeraldREP
      R+2.9
      1996
      Richard J DurbinDEM
      D+15.4
      1992
      Carol Moseley-BraunDEM
      D+10.2
      1990
      Paul SimonDEM
      D+30.1
      1986
      Alan J. DixonDEM
      D+31.4
      1984
      Paul SimonDEM
      D+1.9
      View all US Senate history for Illinois →

      Candidates

      Alan J. DixonDEM
      Record2W-0L
      Avg MarginD+22.4
      Career1980-1986
      US Senate
      Full profile →
      David C. O'NealREP
      Record0W-1L
      Avg MarginD+13.5
      Career1980-1980
      US Senate
      Full profile →

      Also in Illinois, 1980

      President1 contest →US House24 contests →
      ← All 1980 US Senate races1980 overviewIllinois profileAll elections