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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2008/US Senate/Delaware
      2008·US Senate·Delaware

      Delaware US Senate

      Winner
      DEM
      Joe Biden
      64.7%257,539 votes
      Runner-up
      REP
      Christine O'Donnell
      35.3%140,595 votes
      Margin
      D+29.4
      398,134 total votes
      2 candidates398,134 total votes
      CandidatePartyVotes ▼%Vote Share
      Joe BidenDEM✓
      		DEM257,53964.7%
      Christine O'DonnellREP
      		REP140,59535.3%

      Seat History

      US Senate in Delaware(Class II)

      2024
      Lisa Blunt RochesterDEM
      D+17.1
      2020
      Chris CoonsDEM
      D+21.5
      2018
      Thomas R CarperDEM
      D+22.1
      2014
      Chris CoonsDEM
      D+13.6
      2012
      Thomas R CarperDEM
      D+37.5
      2010(S)
      Chris CoonsDEM
      D+16.6
      2006
      Thomas R CarperDEM
      D+39.7
      2002
      Joe BidenDEM
      D+17.4
      2000
      Thomas R CarperDEM
      D+11.8
      1996
      Joe BidenDEM
      D+21.9
      1994
      William R. Roth Jr.REP
      R+13.3
      1990
      Joe BidenDEM
      D+26.9
      1988
      William R. Roth Jr.REP
      R+24.1
      1984
      Joe BidenDEM
      D+20.2
      View all US Senate history for Delaware →

      Candidates

      Christine O'DonnellREP
      Record0W-2L
      Avg MarginD+23.0
      Career2008-2010
      US Senate
      Full profile →
      Joe BidenDEM
      Record33W-25L
      Avg MarginD+2.0
      Career1972-2020
      President / US Senate
      Full profile →

      Also in Delaware, 2008

      President1 contest →US House1 contest →Governor1 contest →
      ← All 2008 US Senate races2008 overviewDelaware profileAll elections