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      Home/Elections/2010/US Senate

      2010 US Senate

      38 contests

      Loading election map...
      SENATE

      US Senate · 2010

      Democratic Hold
      DEM
      51 needed
      REP
      IND
      Before
      57
      42
      1
      After
      52
      47
      1
      Net change:D −5·R +5·I ±0·38 seats contested

      Chamber Control

      DemocraticMajority52
      Republican47
      Independent1
      Threshold:51 seats
      D 52 – R 47 – I 1
      38 contests|D won 13|R won 25
      State ▲WinnerW%VotesRunner-upR-up%VotesMarginSwing
      ▶
      Alabama
      ShelbyREP
      65.2%968,181
      BarnesDEM
      34.7%515,619
      R+30.5
      ↑ D+4.7
      ▶
      Alaska
      MurkowskiREP
      0.0%————---—
      ▶
      Arizona
      McCainREP
      58.9%1,005,615
      GlassmanDEM
      34.6%592,011
      R+24.2
      ↑ D+31.9
      ▶
      Arkansas
      BoozmanREP
      57.9%451,618
      LincolnDEM
      37.0%288,156
      R+21.0
      ↓ R+32.8
      ▶
      California
      BoxerDEM
      52.2%5,218,137
      FiorinaREP
      42.2%4,217,386
      D+10.0
      ↓ R+9.9
      ▶
      Colorado
      BennetDEM
      48.1%854,685
      BuckREP
      46.4%824,789
      D+1.7
      ↓ R+3.1
      ▶
      Connecticut
      BlumenthalDEM
      55.2%636,040
      McMahonREP
      43.2%498,341
      D+11.9
      ↓ R+22.3
      ▶
      Delaware(S)
      CoonsDEM
      56.6%174,012
      O'DonnellREP
      40.0%123,053
      D+16.6
      —
      ▶
      Florida
      RubioREP
      48.9%2,645,743
      OtherOTH
      30.9%1,672,427
      R+28.7
      ↓ R+27.6
      ▶
      Georgia
      IsaksonREP
      58.3%1,489,904
      ThurmondDEM
      39.0%996,516
      R+19.3
      ↓ R+1.4
      ▶
      Hawaii
      InouyeDEM
      74.8%277,167
      CavassoREP
      21.6%79,924
      D+53.2
      ↓ R+1.3
      ▶
      Idaho
      CrapoREP
      71.2%319,953
      SullivanDEM
      24.9%112,057
      R+46.3
      ↑ D+52.9
      ▶
      Illinois
      KirkREP
      48.0%1,778,698
      GiannouliasDEM
      46.4%1,719,478
      R+1.6
      ↓ R+44.5
      ▶
      Indiana
      CoatsREP
      54.6%952,116
      EllsworthDEM
      40.0%697,775
      R+14.6
      ↓ R+39.0
      ▶
      Iowa
      GrassleyREP
      64.3%718,215
      ConlinDEM
      33.3%371,686
      R+31.1
      ↑ D+11.3
      ▶
      Kansas
      MoranREP
      70.1%587,175
      JohnstonDEM
      26.4%220,971
      R+43.7
      ↓ R+2.0
      ▶
      Kentucky
      PaulREP
      55.7%755,411
      ConwayDEM
      44.2%599,843
      R+11.5
      ↓ R+10.2
      ▶
      Louisiana
      VitterREP
      56.5%715,415
      MelanconDEM
      37.7%476,572
      R+18.9
      ↑ D+2.8
      ▶
      Maryland
      MikulskiDEM
      62.2%1,140,531
      WargotzREP
      35.8%655,666
      D+26.4
      ↓ R+4.6
      ▶
      Massachusetts(S)
      BrownREP
      51.9%1,168,107
      CoakleyDEM
      47.1%1,058,682
      R+4.9
      —
      ▶
      Missouri
      BluntREP
      55.6%1,032,294
      CarnahanDEM
      39.2%727,288
      R+16.4
      ↓ R+0.4
      ▶
      Nevada
      ReidDEM
      50.3%362,785
      AngleREP
      44.5%321,361
      D+5.7
      ↓ R+20.2
      ▶
      New Hampshire
      AyotteREP
      60.0%273,218
      HodesDEM
      36.8%167,545
      R+23.2
      ↑ D+9.2
      ▶
      New York
      SchumerDEM
      66.3%3,047,880
      TownsendREP
      32.2%1,480,423
      D+34.1
      ↓ R+12.8
      ▶
      New York(S)
      GillibrandDEM
      62.9%2,836,357
      DioguardiREP
      35.1%1,581,831
      D+27.8
      ↓ R+19.1
      ▶
      North Carolina
      BurrREP
      54.8%1,458,046
      MarshallDEM
      43.0%1,145,074
      R+11.8
      ↓ R+7.2
      ▶
      North Dakota
      HoevenREP
      76.1%181,689
      PotterDEM
      22.2%52,955
      R+53.9
      ↓ R+90.5
      ▶
      Ohio
      PortmanREP
      56.9%2,168,742
      FisherDEM
      39.4%1,503,297
      R+17.4
      ↑ D+10.3
      ▶
      Oklahoma
      CoburnREP
      70.6%718,482
      RogersDEM
      26.1%265,814
      R+44.5
      ↓ R+33.0
      ▶
      Oregon
      WydenDEM
      57.2%825,507
      HuffmanREP
      39.3%566,199
      D+18.0
      ↓ R+13.7
      ▶
      Pennsylvania
      ToomeyREP
      51.0%2,028,945
      SestakDEM
      49.0%1,948,716
      R+2.0
      ↑ D+8.6
      ▶
      South Carolina
      DemintREP
      61.5%810,771
      GreeneDEM
      27.6%364,598
      R+33.8
      ↓ R+24.3
      ▶
      South Dakota
      ThuneREP
      100.0%227,947———
      R+100.0
      ↓ R+98.8
      ▶
      Utah
      LeeREP
      61.6%390,179
      GranatoDEM
      32.8%207,685
      R+28.8
      ↑ D+11.5
      ▶
      Vermont
      LeahyDEM
      64.3%151,281
      BrittonREP
      30.9%72,699
      D+33.4
      ↓ R+12.7
      ▶
      Washington
      MurrayDEM
      52.4%1,314,930
      RossiREP
      47.6%1,196,164
      D+4.7
      ↓ R+7.5
      ▶
      West Virginia(S)
      ManchinDEM
      53.5%283,358
      RaeseREP
      43.4%230,013
      D+10.1
      —
      ▶
      Wisconsin
      JohnsonREP
      51.9%1,125,999
      FeingoldDEM
      47.0%1,020,958
      R+4.8
      ↓ R+16.1
      ← 2010 overviewAll elections