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2014 U.S. Senate election results

Results of all 36 Senate races in 2014 (seats won: Republican 24, Democratic 12); 9 changed party. Winners, margins and every candidate.

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  • Republican 24
  • Democratic 12
Alabama: Jeff Sessions REPAlaska: Dan Sullivan REP +2.1 gainArizonaArkansas: Tom Cotton REP +17.1 gainCaliforniaColorado: Cory Gardner REP +1.9 gainConnecticutDelaware: Christopher A. Coons DEM +13.6District of ColumbiaFloridaGeorgia: David A. Perdue REP +7.7Hawaii: Brian Schatz DEM +40.3Idaho: James E. Risch REP +30.7Illinois: Richard J. Durbin DEM +10.9IndianaIowa: Joni K. Ernst REP +8.3 gainKansas: Pat Roberts REP +10.6Kentucky: Mitch McConnell REP +15.5Louisiana: Bill Cassidy REP +11.9 gainMaine: Susan M. Collins REP +36.2MarylandMassachusetts: Edward J. Markey DEM +22.8Michigan: Gary C. Peters DEM +13.3Minnesota: Al Franken DEM +10.2Mississippi: Thad Cochran REP +22.0MissouriMontana: Steve Daines REP +17.7 gainNebraska: Ben Sasse REP +32.9NevadaNew Hampshire: Jeanne Shaheen DEM +3.2New Jersey: Cory A. Booker DEM +13.5New Mexico: Tom Udall DEM +11.1New YorkNorth Carolina: Thomas Roland Tillis REP +1.6 gainNorth DakotaOhioOklahoma: James M. Inhofe REP +39.5Oregon: Jeff Merkley DEM +18.9PennsylvaniaRhode Island: Jack Reed DEM +41.3South Carolina: Lindsey Graham REP +17.4South Dakota: M. Michael Rounds REP +20.9 gainTennessee: Lamar Alexander REP +30.0Texas: John Cornyn REP +27.2UtahVermontVirginia: Mark R. Warner DEM +0.8WashingtonWest Virginia: Shelley Moore Capito REP +27.7 gainWisconsinWyoming: Michael B. Enzi REP +53.9VermontNew Hampshire: Jeanne Shaheen DEM +3.2Massachusetts: Edward J. Markey DEM +22.8Rhode Island: Jack Reed DEM +41.3ConnecticutNew Jersey: Cory A. Booker DEM +13.5Delaware: Christopher A. Coons DEM +13.6MarylandDistrict of Columbia
States with a race in 2014, coloured by the winning party and shaded by margin. Grey: no race.

Seats that changed party

All races

StateSeatWinnerPartyMarginBefore
Alabama Class II Jeff Sessions Republican — Republican
Alaska Class II Dan Sullivan Republican 2.1 Democratic flip
Arkansas Class II Tom Cotton Republican 17.1 Democratic flip
Colorado Class II Cory Gardner Republican 1.9 Democratic flip
Delaware Class II Christopher A. Coons Democratic 13.6 Democratic
Georgia Class II David A. Perdue Republican 7.7 Republican
Hawaii special Class III Brian Schatz Democratic 40.3 Democratic
Idaho Class II James E. Risch Republican 30.7 Republican
Illinois Class II Richard J. Durbin Democratic 10.9 Democratic
Iowa Class II Joni K. Ernst Republican 8.3 Democratic flip
Kansas Class II Pat Roberts Republican 10.6 Republican
Kentucky Class II Mitch McConnell Republican 15.5 Republican
Louisiana Class II Bill Cassidy (Runoff) Republican 11.9 Democratic flip
Maine Class II Susan M. Collins Republican 36.2 Republican
Massachusetts Class II Edward J. Markey Democratic 22.8 Democratic
Michigan Class II Gary C. Peters Democratic 13.3 Democratic
Minnesota Class II Al Franken Democratic 10.2 Democratic
Mississippi Class II Thad Cochran Republican 22.0 Republican
Montana Class II Steve Daines Republican 17.7 Democratic flip
Nebraska Class II Ben Sasse Republican 32.9 Republican
New Hampshire Class II Jeanne Shaheen Democratic 3.2 Democratic
New Jersey Class II Cory A. Booker Democratic 13.5 Democratic
New Mexico Class II Tom Udall Democratic 11.1 Democratic
North Carolina Class II Thomas Roland Tillis Republican 1.6 Democratic flip
Oklahoma Class II James M. Inhofe Republican 39.5 Republican
Oklahoma special Class III James Lankford Republican 38.9 Vacant
Oregon Class II Jeff Merkley Democratic 18.9 Democratic
Rhode Island Class II Jack Reed Democratic 41.3 Democratic
South Carolina Class II Lindsey Graham Republican 17.4 Republican
South Carolina special Class III Tim Scott Republican 22.1 Republican
South Dakota Class II M. Michael Rounds Republican 20.9 Democratic flip
Tennessee Class II Lamar Alexander Republican 30.0 Republican
Texas Class II John Cornyn Republican 27.2 Republican
Virginia Class II Mark R. Warner Democratic 0.8 Democratic
West Virginia Class II Shelley Moore Capito Republican 27.7 Democratic flip
Wyoming Class II Michael B. Enzi Republican 53.9 Republican

Source: FiveThirtyEight election-results; each race page links the official source it was compiled from.