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◆ THE IDEOLOGY ATLAS

2026 Senate elections

35 Senate seats are on the ballot on November 3, 2026. Republicans 53, Democrats 45, independents who vote with Democrats 2.

Democrats need a net gain of 4 seats for a majority (the vice president breaks 50–50 ties).

Ratings: Solid R: 12 · Toss-up: 7 · Solid D: 9 · Likely D: 2 · Lean D: 2 · Likely R: 2 · Lean R: 1

RaceStatusRatingCandidates
AlabamaTommy Tuberville (R) is running for governorSolid REverett Wess (D), Barry Moore (R)
AlaskaDan Sullivan (R) is runningToss-upMary Peltola (D), Dan Sullivan (R)
ArkansasTom Cotton (R) is runningSolid RHallie Shoffner (D), Tom Cotton (R)
ColoradoJohn Hickenlooper (D) is runningSolid DJohn Hickenlooper (D), Mark Baisley (R)
DelawareChris Coons (D) is runningSolid DChris Coons (D), Michael Katz (R)
FloridaAshley Moody (R), appointed in 2025, is running (special election)Solid RAngie Nixon (D), Ashley Moody (R)
GeorgiaJon Ossoff (D) is runningLikely DJon Ossoff (D), Mike Collins (R)
IdahoJim Risch (R) is runningSolid RTodd Achilles (I), Jim Risch (R)
IllinoisDick Durbin (D) is retiringSolid DJuliana Stratton (D), Don Tracy (R)
IowaJoni Ernst (R) is retiringToss-upJosh Turek (D), Ashley Hinson (R)
KansasRoger Marshall (R) is runningToss-upAdam Hamilton (D), Roger Marshall (R)
KentuckyMitch McConnell (R) is retiringSolid RCharles Booker (D), Andy Barr (R)
LouisianaBill Cassidy (R) lost the primarySolid RJamie Davis (D), Julia Letlow (R)
MaineSusan Collins (R) is runningToss-upTroy Jackson (D), Susan Collins (R)
MassachusettsEd Markey (D) is runningSolid DEd Markey (D), John Deaton (R)
MichiganGary Peters (D) is retiringToss-upAbdul El-Sayed (D), Mike Rogers (R)
MinnesotaTina Smith (DFL) is retiringLean DPeggy Flanagan (D), Michele Tafoya (R)
MississippiCindy Hyde-Smith (R) is runningLikely RScott Colom (D), Cindy Hyde-Smith (R)
MontanaSteve Daines (R) is retiringSolid RAlani Bankhead (D), Kurt Alme (R), Seth Bodnar (I)
NebraskaPete Ricketts (R) is runningLikely RDan Osborn (I), Pete Ricketts (R)
New HampshireJeanne Shaheen (D) is retiringLean DChris Pappas (D), John E. Sununu (R)
New JerseyCory Booker (D) is runningSolid DCory Booker (D), Justin Murphy (R)
New MexicoBen Ray Luján (D) is runningSolid DBen Ray Luján (D), Larry Marker (R)
North CarolinaThom Tillis (R) is retiringLikely DRoy Cooper (D), Michael Whatley (R)
OhioJon Husted (R), appointed in 2025, is running (special election)Toss-upSherrod Brown (D), Jon Husted (R)
OklahomaAppointed Sen. Alan Armstrong (R) is not runningSolid RN'Kiyla Jasmine Thomas (D), Kevin Hern (R)
OregonJeff Merkley (D) is runningSolid DJeff Merkley (D), David Brock Smith (R)
Rhode IslandJack Reed (D) is runningSolid DJack Reed (D), Raymond McKay (R)
South CarolinaAppointed Sen. Darline Graham (R) is runningLean RAnnie Andrews (D), Darline Graham (R)
South DakotaMike Rounds (R) is runningSolid RBrian Bengs (I), Mike Rounds (R)
TennesseeBill Hagerty (R) is runningSolid RMarquita Bradshaw (D), Bill Hagerty (R)
TexasJohn Cornyn (R) lost the primaryToss-upJames Talarico (D), Ken Paxton (R)
VirginiaMark Warner (D) is runningSolid DMark Warner (D), Bert Mizusawa (R)
West VirginiaShelley Moore Capito (R) is runningSolid RRachel Fetty Anderson (D), Shelley Moore Capito (R)
WyomingCynthia Lummis (R) is retiringSolid RJames W. Byrd (D), Harriet Hageman (R)

Last updated October 24, 2026.