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2026 United States Senate elections

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2026 United States Senate elections
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November 3, 2026
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35[a] of the 100 seats in the United States Senate
51[b] seats needed for a majority
 
Leader John Thune Chuck Schumer
Party Republican Democratic
Leader since January 3, 2025 January 3, 2017
Leader's seat South Dakota New York
Current seats 53 45[c]
Seats needed Steady Increase 4
Seats up 22 13
 
Party Independent
Current seats 2[c]
Seats up 0
2026 United States Senate special election in Florida2026 United States Senate special election in Ohio2026 United States Senate election in Alabama2026 United States Senate election in Alaska2026 United States Senate election in Arkansas2026 United States Senate election in Colorado2026 United States Senate election in Delaware2026 United States Senate election in Georgia2026 United States Senate election in Idaho2026 United States Senate election in Illinois2026 United States Senate election in Iowa2026 United States Senate election in Kansas2026 United States Senate election in Kentucky2026 United States Senate election in Louisiana2026 United States Senate election in Maine2026 United States Senate election in Massachusetts2026 United States Senate election in Michigan2026 United States Senate election in Minnesota2026 United States Senate election in Mississippi2026 United States Senate election in Montana2026 United States Senate election in Nebraska2026 United States Senate election in New Hampshire2026 United States Senate election in New Jersey2026 United States Senate election in New Mexico2026 United States Senate election in North Carolina2026 United States Senate election in Oklahoma2026 United States Senate election in Oregon2026 United States Senate election in Rhode Island2026 United States Senate election in South Carolina2026 United States Senate election in South Dakota2026 United States Senate election in Tennessee2026 United States Senate election in Texas2026 United States Senate election in Virginia2026 United States Senate election in West Virginia2026 United States Senate election in Wyoming
Map of the incumbents:
     Democratic incumbent      Democratic incumbent retiring
     Republican incumbent      Republican incumbent retiring or lost renomination[d]
     No election
Incumbent majority leader

John Thune
Republican


The 2026 United States Senate elections are scheduled to be held on November 3, 2026, with 33 of the 100 seats in the Senate being contested in regular elections. In these elections, voters will elect candidates to six-year terms that begin on January 3, 2027, and expire on January 3, 2033.

Senators are divided into three classes whose terms are staggered, so that a different class is elected every two years. Class 2 senators were last elected in 2020 and are up for election in 2026. With the election of John Thune as leader of the Republican Conference, this will be the first election year since 2006 in which Senate Republicans are not led by Mitch McConnell. The Senate Democratic Conference has been led by Chuck Schumer since 2017.

Special elections have been scheduled in Ohio and Florida, following the resignation of JD Vance to become vice president and Marco Rubio's resignation to become United States secretary of state.

Two incumbent senators—Bill Cassidy of Louisiana and John Cornyn of Texas—lost renomination in their respective primaries. The last incumbent senator to lose renomination was Richard Lugar in 2012,[e] and the last time multiple elected incumbent senators lost renomination in primaries was in 2010.[f] The last incumbent senator to place no better than third in a primary before Cassidy was Hattie Caraway in 1944.[1][g]

Two nominees—Graham Platner and Lindsey Graham—were replaced, respectively by a convention and a special primary, as their party's nominee in Maine and South Carolina. The last nominee to be replaced by a convention or special primary was John Walsh in 2014.[h] The last time multiple nominees were replaced was in 2002, with Robert Torricelli of New Jersey and Paul Wellstone of Minnesota.

Partisan composition

[edit]

All 33 Class 2 Senate seats and two Class 3 seats are up for election in 2026. Class 2 currently consists of 20 Republicans and 13 Democrats.[2] Democrats are defending two seats in states won by Donald Trump in 2024, in both cases by less than 3 percentage points: Michigan, where incumbent Gary Peters is not running for reelection; and Georgia, where the incumbent is Jon Ossoff. Michigan elected Democrat Elissa Slotkin to the Senate in 2024 by 0.3 percentage points. Georgia did not have a Senate election in 2024, although in the most recent Senate election, in 2022, Democrat Raphael Warnock won by three points in a runoff.[3][4]

Five incumbent Democratic senators represent states won by Kamala Harris by single-digit margins in 2024: New Hampshire's Jeanne Shaheen, Minnesota's Tina Smith, Virginia's Mark Warner, New Jersey's Cory Booker, and New Mexico's Ben Ray Luján.[3] Shaheen and Smith are not running for reelection.[5] Susan Collins's seat in Maine is the only seat being defended by a Republican in a state that Kamala Harris won in 2024.[6] Republican Thom Tillis of North Carolina is retiring[7] from the Senate in a state that Trump won by a single-digit margin in 2024.[3]

The 2026 Senate map is considered favorable to Republicans, even though Democrats are defending 13 seats and Republicans 22. Most rating groups identify two Republican-held seats as highly competitive and three or four others as somewhat competitive. By contrast, Democrats must flip at least four seats to win a majority while defending two highly vulnerable seats and two others viewed as somewhat vulnerable.[8][9][10] Pollsters have found Democrats' chances to flip the Senate to be improving due to nominees in states such as North Carolina, Ohio, and Alaska running highly competitive campaigns.[11] But Democrats' odds of flipping the Senate may have diminished after controversy over their nominees in Maine and Michigan.[12]

Change in composition

[edit]

Each block represents one of the one hundred seats in the U.S. Senate. "D#" is a Democratic senator, "I#" is an Independent senator, and "R#" is a Republican senator. They are arranged so that the parties are separated and a majority is clear by crossing the middle.

Before the elections

[edit]

Each block indicates an incumbent senator's actions going into the election.

D1 D2 D3 D4 D5 D6 D7 D8 D9 D10
D20 D19 D18 D17 D16 D15 D14 D13 D12 D11
D21 D22 D23 D24 D25 D26 D27 D28 D29 D30
D40
R.I.
Running		 D39
Ore.
Running		 D38
N.M.
Running		 D37
N.J.
Running		 D36
Mass.
Running		 D35
Ga.
Running		 D34
Del.
Running		 D33
Colo.
Running		 D32
 D31
D41
Va.
Running		 D42
Ill.
Retiring		 D43
Mich.
Retiring		 D44
Minn.
Retiring		 D45
N.H.
Retiring		 I1
 I2
 R53
Wyo.
Retiring		 R52
Okla.
Retiring[d]		 R51
N.C.
Retiring
Majority → R50
Mont.
Retiring
R41
Ohio (sp.)
Running		 R46
S.C.
Running		 R42
S.D.
Running		 R43
Tenn.
Running		 R44
Texas
Ran		 R45
W.Va.
Running		 R47
Ala.
Retiring		 R48
Iowa
Retiring		 R49
Ky.
Retiring
R40
Neb.
Running		 R39
Miss.
Running		 R38
Maine
Running		 R37
La.
Ran		 R36
Kan.
Running		 R35
Idaho
Running		 R34
Fla. (sp.)
Running		 R33
Ark.
Running		 R32
Alaska
Running		 R31
R21 R22 R23 R24 R25 R26 R27 R28 R29 R30
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10

After the elections

[edit]
D1 D2 D3 D4 D5 D6 D7 D8 D9 D10
D20 D19 D18 D17 D16 D15 D14 D13 D12 D11
D21 D22 D23 D24 D25 D26 D27 D28 D29 D30
Fla. (sp.)
TBD		 Del.
TBD		 Colo.
TBD		 Ark.
TBD		 Alaska
TBD		 Ala.
TBD		 I2 I1 D32 D31
Ga.
TBD		 Idaho
TBD		 Ill.
TBD		 Iowa
TBD		 Kan.
TBD		 Ky.
TBD		 La.
TBD		 Maine
TBD		 Mass.
TBD		 Mich.
TBD
Majority TBD →
Minn.
TBD		 Ore.
TBD		 Okla.
TBD		 Ohio (sp.)
TBD		 N.C.
TBD		 N.M.
TBD		 N.J.
TBD		 N.H.
TBD		 Neb.
TBD		 Mont.
TBD
Miss.
TBD		 R.I.
TBD		 S.C.
TBD		 S.D.
TBD		 Tenn.
TBD		 Texas
TBD		 Va.
TBD		 W.Va.
TBD		 Wyo.
TBD		 R31
R21 R22 R23 R24 R25 R26 R27 R28 R29 R30
R20 R19 R18 R17 R16 R15 R14 R13 R12 R11
R1 R2 R3 R4 R5 R6 R7 R8 R9 R10
Key
D# Democratic
R# Republican
I# Independent, caucusing with Democrats

Gains and holds

[edit]

Retirements

[edit]

As of July 2026, eleven senators—four Democrats and seven Republicans—have announced they will not seek reelection. This is the most in a single election cycle since 1996, when thirteen senators chose not to run again.[i][14]

State Senator Age at
end of term		 Assumed
office		 Replaced by Ref
Alabama Tommy Tuberville 72 2021 TBD [15]
Illinois Dick Durbin 82 1997 TBD [16]
Iowa Joni Ernst 56 2015 TBD [17]
Kentucky Mitch McConnell 84 1985 TBD [18]
Michigan Gary Peters 68 2015 TBD [19]
Minnesota Tina Smith 2018[j] TBD [20]
Montana Steve Daines 64 2015 TBD [21]
New Hampshire Jeanne Shaheen 79 2009 TBD [22]
North Carolina Thom Tillis 66 2015 TBD [23]
Oklahoma Alan Armstrong 64 2026[k] TBD [24]
Wyoming Cynthia Lummis 72 2021 TBD [25]

Defeats

[edit]

Two Republicans sought reelection but lost in the primary election.

State Senator Assumed
office		 Replaced by Ref
Louisiana Bill Cassidy 2015 TBD [26]
Texas John Cornyn 2002 TBD [27]

Predictions

[edit]

Multiple sites and political pundits have published predictions of competitive seats. These predictions have considered factors such as the strength of the incumbent (if the incumbent was running for reelection) and the other candidates, and the state's partisan lean, reflected in part by the state's Cook Partisan Voting Index rating. The predictions typically assign ratings to each seat, indicating the predicted advantage that a party had in winning that seat. Most election predictors use:

  • "tossup": no advantage
  • "tilt" (used by some predictors): advantage that is not quite as strong as "lean"
  • "lean": slight advantage
  • "likely": significant, but surmountable, advantage
  • "safe" or "solid": near-certain chance of victory
Constituency Incumbent Ratings
State PVI[28] Senator Last
election[l]		 Cook
Aug. 20,
2026[29]		 IE
Aug. 6,
2026[30]		 Sabato
Aug. 26,
2026[31]		 WH
Aug. 27,
2026[32]		 Econ
Aug. 7,
2026[33][m]		 RCP
Aug. 27,
2026[34]		 DDHQ
Aug. 5,
2026[35]		 Fox
Aug. 18,
2026[36]		 VoteHub
Aug. 6,
2026[37][n]		 FPO
Aug. 11,
2026[38]		 ST
Aug. 28,
2026[39]		 Silver
Aug. 21,
2026[40]
Alabama R+15 Tommy Tuberville
(retiring)		 60.10% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Alaska R+6 Dan Sullivan 53.90% R Tossup Lean R Tossup Tossup Tossup Tossup Tossup Tossup Tossup Tossup Tossup Tossup
Arkansas R+15 Tom Cotton 66.53% R Solid R Solid R Safe R Safe R Likely R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Colorado D+6 John Hickenlooper 53.50% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
Delaware D+8 Chris Coons 59.44% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
Florida
(special)		 R+5 Ashley Moody Appointed
(2025)[o] 		Solid R Solid R Safe R Lean R Lean R Likely R Likely R Solid R Lean R Likely R Likely R Likely R
Georgia R+1 Jon Ossoff 50.62% D Lean D Tilt D Likely D Likely D Lean D Lean D Likely D Lean D Likely D Likely D Likely D Likely D
Idaho R+18 Jim Risch 62.62% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Illinois D+6 Dick Durbin
(retiring)		 54.93% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
Iowa R+6 Joni Ernst
(retiring)		 51.74% R Tossup Tilt R Lean R Tossup Lean R Tossup Tossup Tossup Lean R Tossup Lean R Tossup
Kansas R+8 Roger Marshall 53.22% R Likely R Solid R Likely R Likely R Lean R Likely R Likely R Likely R Likely R Likely R Likely R Likely R
Kentucky R+15 Mitch McConnell
(retiring)		 57.76% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Louisiana R+11 Bill Cassidy
(lost renomination)		 59.32% R Solid R Solid R Safe R Likely R Likely R Solid R Likely R Solid R Solid R Safe R Safe R Solid R
Maine D+4 Susan Collins 50.98% R Tossup Tilt R Tossup Tilt D (flip) Lean D (flip) Tossup Tossup Tossup Tilt D (flip) Lean D (flip) Lean D (flip) Lean D (flip)
Massachusetts D+14 Ed Markey 66.15% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
Michigan EVEN Gary Peters
(retiring)		 49.90% D Tossup Tossup Tossup Tilt D Tossup Tossup Tossup Tossup Tilt D Lean D Lean D Lean D
Minnesota D+3 Tina Smith
(retiring)		 48.74% D Likely D Likely D Likely D Safe D Likely D Lean D Likely D Likely D Solid D Safe D Likely D Likely D
Mississippi R+11 Cindy Hyde-Smith 54.11% R Solid R Solid R Safe R Safe R Likely R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Montana R+10 Steve Daines
(retiring)		 55.01% R Solid R Solid R Safe R Likely R Safe R Lean R Likely R Solid R Likely R Likely R Safe R Solid R
Nebraska R+10 Pete Ricketts 62.58% R
(2024 sp.)[p] 		Likely R Likely R Likely R Lean R Lean R Lean R Likely R Likely R Lean R Likely R Likely R Likely R
New Hampshire D+2 Jeanne Shaheen
(retiring)		 56.64% D Lean D Tilt D Lean D Lean D Likely D Tossup Likely D Lean D Likely D Likely D Likely D Likely D
New Jersey D+4 Cory Booker 57.23% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
New Mexico D+4 Ben Ray Luján 51.73% D Solid D Solid D Safe D Safe D Likely D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
North Carolina R+1 Thom Tillis
(retiring)		 48.69% R Lean D (flip) Tilt D (flip) Lean D (flip) Likely D (flip) Likely D (flip) Lean D (flip) Likely D (flip) Lean D (flip) Likely D (flip) Likely D (flip) Likely D (flip) Likely D (flip)
Ohio
(special)		 R+5 Jon Husted Appointed
(2025)[q] 		Tossup Tilt R Tossup Tilt D (flip) Tossup Tossup Tossup Tossup Tossup Tossup Lean D (flip) Lean D (flip)
Oklahoma R+17 Alan S. Armstrong
(retiring)		 Appointed
(2026)[r] 		Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Oregon D+8 Jeff Merkley 56.91% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
Rhode Island D+8 Jack Reed 66.48% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
South Carolina R+8 Darline Graham Appointed
(2026)[s] 		Solid R Likely R Safe R Lean R Lean R Likely R Likely R Solid R Likely R Likely R Likely R Likely R
South Dakota R+15 Mike Rounds 65.74% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Tennessee R+14 Bill Hagerty 62.20% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Texas R+6 John Cornyn
(lost renomination)		 53.51% R Tossup Lean R Tossup Tilt D (flip) Tossup Tossup Tossup Tossup Tossup Tossup Lean D (flip) Lean D (flip)
Virginia D+3 Mark Warner 55.99% D Solid D Solid D Safe D Safe D Safe D Solid D Safe D Solid D Solid D Safe D Safe D Solid D
West Virginia R+21 Shelley Moore Capito 70.28% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Wyoming R+23 Cynthia Lummis
(retiring)		 72.85% R Solid R Solid R Safe R Safe R Safe R Solid R Safe R Solid R Solid R Safe R Safe R Solid R
Overall[t] D/I - 47
R - 47
6 tossups 		D/I - 47
R - 52
1 tossup 		D/I - 47
R - 48
5 tossups 		D/I - 51
R - 47
2 tossups 		D/I - 48
R - 48
4 tossups 		D/I - 46
R - 47
7 tossups 		D/I - 47
R - 47
6 tossups 		D/I - 47
R - 47
6 tossups 		D/I - 49
R - 48
3 tossups 		D/I - 49
R - 47
4 tossups 		D/I - 51
R - 48
1 tossup 		D/I - 51
R - 47
2 tossups

Opinion polling

[edit]
Source of poll
aggregation		 Dates
administered		 Dates
updated		 Republicans Democrats Other/
Undecided[u]		 Margin
Decision Desk HQ[41] January 9, 2025 – August 24, 2026 August 27, 2026 40.0% 46.1% 13.9% Democrats +6.1%
FiftyPlusOne[42] January 9, 2025 – August 24, 2026 August 27, 2026 43.4% 49.5% 7.1% Democrats +6.1%
RealClearPolitics[43] July 22 – August 24, 2026 August 27, 2026 41.8% 48.2% 10.0% Democrats +6.4%
Silver Bulletin[44] January 9, 2025 – August 24, 2026 August 27, 2026 41.7% 48.3% 9.8% Democrats +6.6%
VoteHub[45] January 9, 2025 – August 24, 2026 August 27, 2026 41.3% 47.3% 11.4% Democrats +6.0%
Race to the WH[46] January 9, 2025 – August 24, 2026 August 27, 2026 41.9% 47.9% 10.2% Democrats +6.0%
Average August 27, 2026 41.7% 47.9% 10.4% Democrats +6.2%

Potentially competitive seats

[edit]

These are seats that polling and predictions currently have listed as at least somewhat close.

Republican incumbents

[edit]

One Republican-held senate seat, North Carolina, is considered competitive but favoring the Democrats.[47] Former Governor Roy Cooper overwhelmingly won the Democratic nomination for the open seat.[48] Incumbent Republican senator Thom Tillis is retiring,[23] with former Republican National Committee Chairman Michael Whatley becoming the Republican nominee, endorsed by Donald Trump.[49]

Five Republican-held Senate races are expected to be highly competitive: Maine, Ohio, Alaska, Texas, and Iowa. Incumbent Susan Collins is seeking reelection in Maine;[50] it is regarded as competitive due to the state's blue lean, but Collins previously kept her seat during cycles favorable to Democrats nationally (2008 and 2020). Military veteran Graham Platner was the Democratic nominee in Maine until he withdrew from the race due to allegations of sexual assault. He was replaced by former Maine Senate president Troy Jackson.[51][52] Incumbents in Ohio (Jon Husted) and Alaska (Dan Sullivan) are expected to have competitive races against former U.S. senator Sherrod Brown and former U.S. representative Mary Peltola, respectively.[50] Both Brown and Peltola lost reelection in 2024. In Texas, incumbent Senator John Cornyn lost the Texas Senate Republican primary election to Texas Attorney General Ken Paxton, who is expected to have a competitive race against State Representative James Talarico. In Iowa, the incumbent Joni Ernst is not seeking reelection;[17] the race to succeed Ernst between Republican U.S. representative Ashley Hinson and Democratic state representative Josh Turek is expected to be competitive.

Seven other Republican-held Senate races are expected to favor Republicans but are viewed as somewhat competitive by some predictors: Nebraska, Kansas, Florida, Mississippi, Montana, South Carolina, and Louisiana. In Nebraska, incumbent Senator Pete Ricketts is challenged by independent Dan Osborn, who ran against Republican Deb Fischer in the Class I race in 2024. Osborn was the most successful challenger of a Republican-held seat during the 2024 election cycle, losing by only six points, compared to Kamala Harris's loss by 20 points in Nebraska in the concurrent presidential election. In August 2025, the Nebraska Democratic Party endorsed Osborn.[53] Louisiana is expected to heavily favor Republicans; incumbent Senator Bill Cassidy was challenged by Louisiana State Treasurer John Fleming and U.S. representative Julia Letlow, with Letlow winning the primary election, marking the first time an elected incumbent senator had lost their primary in any state since 2012 in Indiana.[e]

Democratic incumbents

[edit]

The Democratic-held Senate race expected to be the most competitive is in Michigan, where senator Gary Peters has announced his retirement. The state has an even PVI score.[54][50] Former US Representative for the 8th congressional district and 2024 U.S. Senate nominee Mike Rogers[55] is the Republican nominee. Former Wayne County Health, Human, and Veterans Services Department Director Abdul El-Sayed[56] is the Democratic nominee.

In Georgia, incumbent Democratic senator Jon Ossoff is running against Republican Mike Collins, the U.S. representative from Georgia's 10th congressional district.[57] It was initially expected to be a very competitive race,[50] but election predictors have become increasingly confident of Ossoff's prospects.[58]

The seats in Minnesota (vacated by Tina Smith), and New Hampshire (vacated by Jeanne Shaheen) are also expected to be only marginally close races. In New Hampshire, popular former Republican governor Chris Sununu declined to run;[31][59] his brother, former Senator John E. Sununu, announced a run for the Senate seat he lost to Shaheen in 2008.[60] Some polls have showed John E. Sununu in a dead heat with Chris Pappas, the Democratic front-runner.[61][62] Former U.S. Senator from Massachusetts and U.S. Ambassador to New Zealand and Samoa Scott Brown has announced his candidacy. Brown was the Republican nominee in 2014, narrowly losing the general election to Shaheen.[63]

Election dates

[edit]
State Filing deadline for
major party candidates[64]		 Primary
election[65]		 Primary
runoff
(if necessary)[65]		 General
election
Alabama January 23, 2026 May 19, 2026 June 16, 2026 November 3, 2026
Alaska June 1, 2026 August 18, 2026 N/A
Arkansas November 11, 2025 March 3, 2026 March 31, 2026
Colorado March 18, 2026 June 30, 2026 N/A
Delaware July 14, 2026 September 15, 2026
Florida (special) April 24, 2026 August 18, 2026
Georgia March 1, 2026 May 19, 2026 June 16, 2026
Idaho February 26, 2026 May 19, 2026 N/A
Illinois November 3, 2025 March 17, 2026
Iowa March 13, 2026 June 2, 2026
Kansas June 1, 2026 August 4, 2026
Kentucky January 9, 2026 May 19, 2026
Louisiana February 13, 2026 May 16, 2026 June 27, 2026
Maine March 15, 2026 June 9, 2026 N/A
Massachusetts June 2, 2026 September 1, 2026
Michigan April 21, 2026 August 4, 2026
Minnesota June 2, 2026 August 11, 2026
Mississippi December 26, 2025 March 10, 2026 April 7, 2026
Montana March 4, 2026 June 2, 2026 N/A
Nebraska March 1, 2026 May 12, 2026
New Hampshire June 12, 2026 September 8, 2026
New Jersey March 23, 2026 June 2, 2026
New Mexico February 3, 2026 June 2, 2026
North Carolina December 19, 2025 March 3, 2026 May 12, 2026
Ohio (special) February 4, 2026 May 5, 2026 N/A
Oklahoma April 3, 2026 June 16, 2026 August 25, 2026
Oregon March 10, 2026 May 19, 2026 N/A
Rhode Island June 24, 2026 September 9, 2026
South Carolina March 30, 2026 June 9, 2026 June 23, 2026
South Dakota March 31, 2026 June 2, 2026 July 28, 2026
Tennessee March 10, 2026 August 6, 2026 N/A
Texas December 8, 2025 March 3, 2026 May 26, 2026
Virginia April 2, 2026 August 4, 2026 N/A
West Virginia January 31, 2026 May 12, 2026
Wyoming May 29, 2026 August 18, 2026

Race summary

[edit]

Special elections during the preceding Congress

[edit]

Special U.S. Senate elections in Florida and Ohio are scheduled for November 3, 2026. Florida voters will elect a candidate to serve the remaining two years of former Senator Marco Rubio's unexpired term;[66] Rubio resigned his seat in 2025 to become United States Secretary of State.[67] Ohio voters will elect a candidate to serve the remaining two years of former Senator JD Vance's unexpired term; Vance resigned in 2025 to become Vice President of the United States.[68]

Elections are sorted by date then state.

Constituency Incumbent Status Candidates
State PVI[28] Senator Party Electoral history
Florida
(Class 3)		 R+5 Ashley Moody Republican 2025 (appointed) Interim appointee nominated
Ohio
(Class 3)		 R+5 Jon Husted Republican 2025 (appointed) Interim appointee nominated

Elections leading to the next Congress

[edit]

In these general elections, the winners will be elected for the term beginning January 3, 2027.

Constituency Incumbent Results Candidates
State PVI[28] Senator Party Electoral history Last race
Alabama R+15 Tommy Tuberville Republican 2020 60.1% R Incumbent retiring
to run for governor[15]
Alaska R+6 Dan Sullivan Republican 2014
2020		 53.9% R Incumbent advanced to general
Arkansas R+15 Tom Cotton Republican 2014
2020		 66.5% R Incumbent renominated
Colorado D+6 John Hickenlooper Democratic 2020 53.5% D Incumbent renominated
Delaware D+8 Chris Coons Democratic 2010 (special)
2014
2020		 59.4% D Incumbent running
Georgia R+1 Jon Ossoff Democratic 2021 50.6% D Incumbent renominated
Idaho R+18 Jim Risch Republican 2008
2014
2020		 62.6% R Incumbent renominated
Illinois D+6 Dick Durbin Democratic 1996
2002
2008
2014
2020		 54.9% D Incumbent retiring[16]
Iowa R+6 Joni Ernst Republican 2014
2020		 51.7% R Incumbent retiring[17]
Kansas R+8 Roger Marshall Republican 2020 53.2% R Incumbent renominated
Kentucky R+15 Mitch McConnell Republican 1984
1990
1996
2002
2008
2014
2020		 57.8% R Incumbent retiring[18]
Louisiana R+11 Bill Cassidy Republican 2014
2020		 59.3% R Incumbent lost renomination[26]
Maine D+4 Susan Collins Republican 1996
2002
2008
2014
2020		 51.0% R Incumbent renominated
Massachusetts D+14 Ed Markey Democratic 2013 (special)
2014
2020		 66.2% D Incumbent running
Michigan EVEN Gary Peters Democratic 2014
2020		 49.9% D Incumbent retiring[19]
Minnesota D+3 Tina Smith DFL 2018 (appointed)
2018 (special)
2020		 48.7% DFL Incumbent retiring[20]
Mississippi R+11 Cindy Hyde-Smith Republican 2018 (appointed)
2018 (special)
2020		 54.1% R Incumbent renominated
Montana R+10 Steve Daines Republican 2014
2020		 55.0% R Incumbent retiring[21]
Nebraska R+10 Pete Ricketts Republican 2023 (appointed)
2024 (special)		 62.6% R Incumbent renominated
New Hampshire D+2 Jeanne Shaheen Democratic 2008
2014
2020		 56.6% D Incumbent retiring[22]
New Jersey D+4 Cory Booker Democratic 2013 (special)
2014
2020		 57.2% D Incumbent renominated
New Mexico D+4 Ben Ray Luján Democratic 2020 51.7% D Incumbent renominated
North Carolina R+1 Thom Tillis Republican 2014
2020		 48.7% R Incumbent retiring[23]
Oklahoma R+17 Alan S. Armstrong Republican 2026 (appointed) None Interim appointee ineligible to run[24]
  • ▌Kevin Hern (Republican)[106]
  • ▌Ron Meinhardt (Independent)[106]
  • ▌Curtis Stinnett (Independent)[106]
  • ▌N'Kiyla Jasmine Thomas (Democratic)[106]
  • ▌Sevier White (Libertarian)[106]
Oregon D+8 Jeff Merkley Democratic 2008
2014
2020		 56.9% D Incumbent renominated
Rhode Island D+8 Jack Reed Democratic 1996
2002
2008
2014
2020		 66.5% D Incumbent running
  • ▌Michael Bahry (Independent)[108]
  • ▌Connor Burbridge (Democratic)[108]
  • ▌Raymond McKay (Republican)[108]
  • ▌Luis Munoz (Democratic)[108]
  • ▌Jack Reed (Democratic)[108]
South Carolina R+8 Darline Graham[v] Republican 2026 (appointed) None Interim appointee nominated in runoff
South Dakota R+15 Mike Rounds Republican 2014
2020		 65.7% R Incumbent renominated
Tennessee R+14 Bill Hagerty Republican 2020 62.2% R Incumbent renominated
Texas R+6 John Cornyn Republican 2002
2008
2014
2020		 53.5% R Incumbent lost renomination in runoff[27]
Virginia D+3 Mark Warner Democratic 2008
2014
2020		 56.0% D Incumbent renominated
West Virginia R+21 Shelley Moore Capito Republican 2014
2020		 70.3% R Incumbent renominated
Wyoming R+23 Cynthia Lummis Republican 2020 72.9% R Incumbent retiring[25]

Alabama

[edit]
Alabama election
← 2020
2032 →
 
Nominee Barry Moore Everett Wess
Party Republican Democratic
Incumbent U.S. senator

Tommy Tuberville
Republican


One-term Republican Tommy Tuberville previously said he planned to seek reelection,[120] but announced on May 27, 2025, that he would instead run for governor of Alabama in 2026.[15] He was elected to the U.S. Senate in 2020 with 60.1% of the vote.

The Republican primary took place on May 19. The candidates included former Navy SEAL Jared Hudson,[121] state Attorney General Steve Marshall,[122] and U.S. Representative Barry Moore.[123] No candidate won a majority of the vote, so the top two vote-getters, Hudson and Moore, advanced to a June 16 runoff, which Moore won with 56% of the vote.[124]

No candidate won a majority in the May 19 Democratic primary, so small business owner Dakarai Larriett[125] and attorney Everett Wess[126] advanced to a June 16 runoff, which Wess won with 54%.[124]

Alaska

[edit]
Alaska election
← 2020
2032 →
 
Candidate Dan Sullivan Mary Peltola
Party Republican Democratic
Incumbent U.S. senator

Dan Sullivan
Republican


Two-term Republican Dan Sullivan was reelected in 2020 with 53.9% of the vote. He is running for reelection to a third term.[127]

A nonpartisan primary election was held on August 18, 2026, from which the top four candidates advanced to the general election, which will be conducted with ranked-choice voting.

Sullivan was joined in the primary by Republicans Dustin Darden, Gerald Heikes, Fred Grauberger, and Richard Benedict Mayers, all of whom are perennial candidates.[128] Despite attempts to disqualify him, former U.S. Forest Service employee Dan J. Sullivan is running as a Republican. Some Republicans said his candidacy is meant to confuse people who intend to vote for incumbent senator Dan Sullivan.[129]

Former Democratic U.S. Representative Mary Peltola announced her candidacy for the Senate in January 2026[130] after initially filing paperwork to run for her former House seat.[131] Other Democrats seeking election include former flight attendant Carol Hafner and LGBTQ+ activist David Leslie.[128]

Several third-party and independent candidates also ran, including Scott Kohlhaas of the Libertarian Party, Richard Grayson of the Green Party, Earl D. "Skip" Southworth of the Alaskan Party, and independents Sid Hill, Shirley Saucerman, and Robert Reece.[128]

Arkansas

[edit]
Arkansas election
← 2020
2032 →
 
Nominee Tom Cotton Hallie Shoffner
Party Republican Democratic
Incumbent U.S. senator

Tom Cotton
Republican


Two-term Republican Tom Cotton was reelected in 2020 with 66.5% of the vote. Cotton is running for reelection,[132] having secured the Republican nomination on March 3, 2026.

Rice farmer Hallie Shoffner secured the Democratic nomination on the same day.[133]

Colorado

[edit]
Colorado election
← 2020
2032 →
 
Nominee John Hickenlooper Mark Baisley
Party Democratic Republican
Incumbent U.S. senator

John Hickenlooper
Democratic


One-term Democrat John Hickenlooper, elected with 53.5% of the vote in 2020, is running for reelection for a second term, and has said it will be his last term.[134][135] Hickenlooper defeated progressive state Senator Julie Gonzales in the Democratic primary, 53% to 47%.[136][137]

State Senator Mark Baisley is the Republican nominee following the Colorado Republican Assembly on April 11, as no other candidates surpassed the 30% threshold.[138][139]

Delaware

[edit]

Two-term Democrat Chris Coons was reelected in 2020 with 59.4% of the vote and is running for reelection.[140]

Coons is being challenged in the Democratic primary by philosopher and educator Jeff Applehans; E. No-Trump Hansen; and domestic violence advocate Mary Louve.[140]

Former Democratic state Senator and Independent Party of Delaware nominee for U.S. Senate in 2024 Michael Katz and U.S. Army War College instructor John Shulli are running in the Republican primary.[140]

Florida (special)

[edit]
Florida special election
← 2022
2028 →
 
Nominee Ashley Moody Angie Nixon
Party Republican Democratic
Incumbent U.S. senator

Ashley Moody
Republican


Three-term Republican Marco Rubio was reelected in 2022 with 57.68% of the vote. He resigned on January 20, 2025, following his confirmation as U.S. Secretary of State. Governor Ron DeSantis announced he would appoint Florida Attorney General Ashley Moody as interim senator until a 2026 special election,[141] and Moody has since declared her candidacy to serve the remainder of Rubio's term.[142]

State Representative Angie Nixon[143] and Alexander Vindman, former director for European affairs at the U.S. National Security Council, a whistleblower in the 2019 Trump–Ukraine scandal, and the twin brother of Virginia U.S. Representative Eugene Vindman, ran for the Democratic nomination.[144][145] Nixon won the August 18 primary in a major upset.

Georgia

[edit]
Georgia election
← 2020–21
2032 →
 
Nominee Jon Ossoff Mike Collins
Party Democratic Republican
Incumbent U.S. senator

Jon Ossoff
Democratic


One-term Democrat Jon Ossoff is running for a second term.[146] He was narrowly elected in a 2021 runoff with 50.6% of the vote. As the only person to submit the necessary number of signatures to appear on the primary ballot, Ossoff is the Democratic nominee.[147]

The Republican primary took place on May 19. U.S. Representative Mike Collins[148] and former University of Tennessee football coach Derek Dooley[149] advanced to a June 16 runoff, which Collins won with 56% of the vote.[150]

Idaho

[edit]
Idaho election
← 2020
2032 →
 
Nominee Jim Risch Todd Achilles
Party Republican Independent
Incumbent U.S. senator

Jim Risch
Republican


Three-term Republican Jim Risch was reelected in 2020 with 62.6% of the vote and is running for a fourth term.[151] He won the Republican nomination on May 19, defeating data engineer and 2020 Libertarian nominee for Idaho's 1st congressional district Joe Evans, entrepreneur Denny LaVe, and engineer Josh Roy.[152]

David Roth, a realtor and the 2022 U.S. Senate nominee,[153] defeated Nickolas Bonds and Brad Moore[152] in the Democratic primary on May 19,[154] but ended his campaign on July 28.[155]

Matt Loesby, the nominee for Idaho's 1st congressional district in 2024,[156] is running as a Libertarian. Former Democratic state representative Todd Achilles[157] and software developer Natalie Fleming[152] are running as independents.

Illinois

[edit]
Illinois election
← 2020
2032 →
 
Nominee Juliana Stratton Don Tracy
Party Democratic Republican
Incumbent U.S. senator

Dick Durbin
Democratic


Five-term Democrat and Senate Democratic Whip Dick Durbin was reelected in 2020 with 54.9% of the vote. On April 23, 2025, he announced he would not run for reelection.[158]

On March 17, 2026, incumbent Lieutenant Governor Juliana Stratton won the Democratic primary, defeating a crowded field, including U.S. Representatives Raja Krishnamoorthi and Robin Kelly.[159]

Former Illinois Republican Party Chairman Don Tracy easily won the Republican primary the same day, defeating attorney Jeannie Evans and Polish American Congress PAC national director Casey Chlebek.[159]

Iowa

[edit]
Iowa election
← 2020
2032 →
 
Nominee Ashley Hinson Josh Turek
Party Republican Democratic
Incumbent U.S. senator

Joni Ernst
Republican


Two-term Republican Joni Ernst was reelected in 2020 with 51.7% of the vote.[160] On September 2, 2025, she announced that she would not seek reelection to a third term, after being criticized for comments about reductions in Medicaid.[161]

U.S. Representative Ashley Hinson easily defeated former state Senator Jim Carlin in the June 2, 2026 Republican primary to succeed Ernst.[162]

In the Democratic primary, state Representative Josh Turek defeated state Senator Zach Wahls by a comfortable margin.[163] Both Democratic candidates cited Ernst's remarks about Medicare as a factor in their decisions to run.[citation needed]

Kansas

[edit]
Kansas election
← 2020
2032 →
 
Nominee Roger Marshall Adam Hamilton
Party Republican Democratic
Incumbent U.S. senator

Roger Marshall
Republican


One-term Republican Roger Marshall was elected in 2020 with 53.2% of the vote and is running for reelection.[164]

Pastor Adam Hamilton,[165] who initially considered running as an independent,[166] won the Democratic nomination with 35% of the vote in a crowded field that included former state USDA Director Christy Davis,[167] former federal prosecutor Jason Hart,[168] commercial real estate developer Erik Murray,[169] attorney Anne Parelkar,[170] state senator Patrick Schmidt,[171] art gallery owner Mike Soetaertare,[170] former financial services executive Sandy Spidel Neumann,[172] and counterintelligence specialist Noah Tyler.[173]

Kentucky

[edit]
Kentucky election
← 2020
2032 →
 
Nominee Andy Barr Charles Booker
Party Republican Democratic
Incumbent U.S. senator

Mitch McConnell
Republican


Seven-term Republican and former Senate Republican Leader Mitch McConnell was reelected in 2020 with 57.8% of the vote. McConnell retired as leader after the 2024 elections with plans to serve out the remainder of his term.[174] On February 20, 2025, McConnell announced he would not seek reelection.[18]

On May 19, U.S. Representative Andy Barr of Kentucky's 6th congressional district[175] defeated a crowded field that included former Kentucky Attorney General and 2023 Republican gubernatorial nominee Daniel Cameron[176] for the Republican nomination.[177]

Also on May 19, former state Representative Charles Booker, the 2022 Senate nominee and a former staffer for Governor Andy Beshear, won the Democratic primary,[178] in a crowded field that included the 2020 nominee and Marine fighter pilot Amy McGrath.[178][177]

Louisiana

[edit]
Louisiana election
← 2020
2032 →
 
Nominee Julia Letlow Jamie Davis
Party Republican Democratic
Incumbent U.S. senator

Bill Cassidy
Republican


Two-term Republican Bill Cassidy was reelected in 2020 with 59.3% of the vote in the first round of the "Louisiana primary", and ran for reelection to a third term, but placed a distant third in the jungle primary.[179] The "Louisiana primary" has since been eliminated, and this election used partisan primaries.[180] Party primaries were closed to members of other parties, though voters unaffiliated with a party could vote in either.[180]

U.S. Representative Julia Letlow and state Treasurer and former U.S. representative John Fleming advanced to the Republican runoff, defeating Cassidy in the primary.[181][182] President Donald Trump endorsed Letlow, who defeated Fleming in a runoff.[183]

In the Democratic primary runoff, sorghum farmer Jamie Davis defeated data scientist and political consultant Gary Crockett.[184] Nonprofit executive Nick Albares placed third in the jungle primary.[185]

Maine

[edit]
Maine election
← 2020
2032 →
 
Nominee Susan Collins Troy Jackson
Party Republican Democratic
Incumbent U.S. senator

Susan Collins
Republican


Incumbent Republican Senator Susan Collins was reelected with 51% of the vote to 42% for her Democratic opponent in 2020. She formally announced her reelection campaign in February 2026.[186] As the only person to submit the necessary number of signatures to appear on the primary ballot, Collins is the Republican nominee.[187]

Throughout 2025, Governor Janet Mills was seen as a potential Democratic challenger to Collins. She announced her Senate candidacy in October[188] and pledged to serve only one term if elected.[189] She suspended her campaign on April 30, 2026, due to a lack of financial resources and poor polling numbers.[190]

On June 9, Sullivan harbor master and Marine veteran Graham Platner[191] defeated former deputy secretary of the Maryland Department of the Environment David Costello[192] for the Democratic nomination with 72% of the vote.[193]

On July 8, Platner withdrew from the race following allegations of sexual assault. The same day, Maine Democrats voted to hold a state convention to nominate a candidate to replace Platner as their nominee.[194] To qualify for the convention, replacement candidates must collect at least 500 signatures, with at least 50 signatures from eight different counties.[195] In the course of the county meetings, about 456 of the selected delegates supported Troy Jackson, putting him in the lead for the nomination.[196][197][198] Jackson won the convention vote over Saundra Pelletier, 566–5.[199]

Massachusetts

[edit]

Two-term Democrat Ed Markey was reelected in 2020 with 66.2% of the vote, and is running for reelection to a third full term.[91][200] The longest-serving Democrat in Congress, he will be 80 on Election Day. During the 2020 Democratic primary, Markey faced multiple calls to retire due to his age.[201][202] He is being challenged in the Democratic primary by U.S. Representative Seth Moulton.[92]

2024 U.S. Senate nominee John Deaton is the presumptive Republican nominee.[90]

Michigan

[edit]
Michigan election
← 2020
2032 →
 
Nominee Abdul El-Sayed Mike Rogers
Party Democratic Republican
Incumbent U.S. senator

Gary Peters
Democratic


Two-term Democrat Gary Peters was narrowly reelected in 2020 with 49.9% of the vote. On January 28, 2025, he announced that he would not seek reelection.[19]

Former Wayne County Health, Human, and Veterans Services Department Director Abdul El-Sayed[56] and U.S. Representative Haley Stevens of the 11th congressional district[203] ran in the Democratic primary. El-Sayed narrowly defeated Stevens and is the Democratic nominee.

As the only person to submit the necessary number of signatures to appear on the primary ballot, former U.S. Representative for the 8th congressional district and 2024 U.S. Senate nominee Mike Rogers[55] is the Republican nominee.

Minnesota

[edit]
Minnesota election
← 2020
2032 →
 
Nominee Peggy Flanagan Michele Tafoya
Party Democratic (DFL) Republican
Incumbent U.S. senator

Tina Smith
Democratic (DFL)


One-term Democrat Tina Smith was reelected in 2020 with 48.7% of the vote after being appointed by Governor Mark Dayton in 2018 following Al Franken's resignation and then winning a special election that year. On February 13, 2025, she announced she would not seek a second full term in 2026.[20] Incumbent Lieutenant Governor Peggy Flanagan announced her candidacy the same day.[204] U.S. Representative Angie Craig announced her candidacy on April 29.[205] Flanagan won the nomination with 59% of the vote.

Republicans running included sportscaster Michele Tafoya,[206] 2024 Republican U.S. Senate nominee and former professional basketball player Royce White,[207] retired U.S. Navy officer Tom Weiler,[208] and former Navy SEAL Adam Schwarze.[209] Tafoya ultimately won the nomination with 52% of the vote.

Mississippi

[edit]
Mississippi election
← 2020
2032 →
 
Nominee Cindy Hyde-Smith Scott Colom Ty Pinkins
Party Republican Democratic Independent
Incumbent U.S. senator

Cindy Hyde-Smith
Republican


One-term Republican Cindy Hyde-Smith was reelected in 2020 with 54.1% of the vote after being appointed in 2018 and winning a special election later that year. She is running for a second full term in office.[210] She defeated physician Sarah Adlakha in the Republican primary on March 10, 2026.[211]

Lowndes County District Attorney Scott Colom defeated U.S. Marine Corps veteran Albert Littell, and Priscilla Williams-Till, a cousin of Emmett Till, in the Democratic primary on March 10, 2026.[212][213][214]

Ty Pinkins, the Democratic nominee for Secretary of State in 2023 and for U.S. Senate in 2024, is running as an independent.[215]

Montana

[edit]
Montana election
← 2020
2032 →
 
Nominee Kurt Alme Alani Bankhead Seth Bodnar
Party Republican Democratic Independent
Incumbent U.S. senator

Steve Daines
Republican


Two-term Republican Steve Daines was reelected in 2020 with 55% of the vote. On March 4, 2026, Daines announced he would not seek reelection. The same day, U.S. Attorney Kurt Alme announced his candidacy and immediately won Daines's endorsement.[216]

Former state Representative Reilly Neill ran for the Democratic nomination,[217] but was defeated in the Democratic primary by former U.S. Air Force Lieutenant Colonel Alani Bankhead in a major upset.[218]

Seth Bodnar, the president of the University of Montana until January 2026, is running as an independent candidate.[219] Former U.S. Senator Jon Tester endorsed Bodnar, surprising many and angering many Democrats.[220]

Nebraska

[edit]
Nebraska election
← 2024
2032 →
 
Nominee Pete Ricketts Dan Osborn
Party Republican Independent
Incumbent U.S. senator

Pete Ricketts
Republican


Two-term Republican Ben Sasse resigned early in the 118th Congress to become president of the University of Florida.[221] On January 12, 2023, Governor Jim Pillen appointed former governor Pete Ricketts as senator.[222] Ricketts won the 2024 special election to complete Sasse's term, defeating college professor Preston Love Jr.,[223] and is now running for reelection to his first full term.[224]

Former labor union leader Dan Osborn, who challenged Republican Deb Fischer for Nebraska's Class I Senate seat, has announced an independent bid.[99]

The Nebraska Democratic Party has declined to recruit a Democratic challenger to Ricketts,[225] and the party's chair has endorsed Osborn.[226] Other candidates filed for the Democratic primary, raising concern that their campaigns could split the vote and weaken Osborn's support in the general election,[227] but retired pharmacy technician Cindy Burbank won the Democratic primary and said she intended to withdraw from the general election if she sees no clear path to victory.[228] She officially withdrew from the race on July 17.[229]

New Hampshire

[edit]

Three-term Democrat Jeanne Shaheen was reelected in 2020 with 56.6% of the vote. On March 12, 2025, Shaheen announced that she would not seek reelection to a fourth term.[22]

Those running for the Democratic nomination include U.S. Representative Chris Pappas[101] and New Hampshire Democratic Party rules committee member Karishma Manzur.[100]

On June 25, former U.S. Senator from Massachusetts and former U.S. Ambassador to New Zealand and Samoa Scott Brown entered the race; he won the 2014 Republican Senate primary but lost the general election to Shaheen.[63] Former U.S. Senator John E. Sununu, who lost his seat to Shaheen in 2008, is also running.[60] His brother, former Governor Chris Sununu, declined to run.[230]

New Jersey

[edit]
New Jersey election
← 2020
2032 →
 
Nominee Cory Booker Justin Murphy
Party Democratic Republican
Incumbent U.S. senator

Cory Booker
Democratic


Two-term Democrat Cory Booker was reelected in 2020 with 57.2% of the vote and is running for reelection to a third full term.[231] As the only person to submit the necessary number of signatures to appear on the primary ballot, Booker is the Democratic nominee.[232]

On June 2, 2026, former Tabernacle Mayor Justin Murphy, a Navy veteran and attorney, won the Republican nomination[233] with 33% of the vote, defeating physician Robert Lebovics, U.S. Army combat veteran Richard Tabor, and former News 12 reporter Alex Zdan.[234]

New Mexico

[edit]
New Mexico election
← 2020
2032 →
 
Nominee Ben Ray Luján Larry Marker
Party Democratic Republican
Incumbent U.S. senator

Ben Ray Luján
Democratic


One-term Democrat Ben Ray Luján was elected in 2020 with 51.7% of the vote. On April 23, 2025, Luján announced that he would seek a second term.[235]

Christopher Heuvel, the only Republican who filed, was disqualified from the race for failing to meet the requirements to make the ballot.[236] Former oil and gas operator Larry Marker collected the signatures needed to qualify for the nomination as a write-in.[237]

North Carolina

[edit]
North Carolina election
← 2020
2032 →
 
Nominee Michael Whatley Roy Cooper
Party Republican Democratic
Incumbent U.S. senator

Thom Tillis
Republican


Two-term Republican Thom Tillis, who was narrowly reelected in 2020 with 48.7% of the vote, announced on June 29, 2025, that he would not seek a third term after facing backlash for voting against One Big Beautiful Bill Act, prompting Donald Trump to call for a primary challenger.[23] After Tillis withdrew, Trump endorsed former Republican National Committee chair Michael Whatley,[238] who won the Republican nomination, defeating Don Brown in the March 3 primary.[239]

Lara Trump, former co-chair of the Republican National Committee and Wilmington native, was considered a potential candidate to challenge Tillis, but announced she would not run.[240]

On the Democratic side, former U.S. Representative Wiley Nickel declared his candidacy in April 2025.[241] Former Governor Roy Cooper announced his candidacy on July 28, 2025.[48] The next day, Nickel dropped out and endorsed Cooper.[242] Cooper easily won the nomination.[47]

Ohio (special)

[edit]
Ohio special election
← 2022
2028 →
 
Nominee Jon Husted Sherrod Brown
Party Republican Democratic
Incumbent U.S. senator

Jon Husted
Republican


One-term Republican JD Vance was elected in 2022 with 53% of the vote.[243] On January 10, 2025, he resigned from the Senate after being elected Vice President of the United States in 2024. On January 17, Governor Mike DeWine announced that then-Lieutenant Governor Jon Husted would replace Vance in the Senate.[244] Husted is running to serve the remainder of Vance's term.[245]

Former U.S. Senator Sherrod Brown, who was unseated in 2024,[246] defeated IT professional Ron Kincaid in the Democratic primary on May 5, 2026.[247]

Former Libertarian National Committee chair William Redpath is running as a Libertarian.[248] Ohio Libertarians disqualified healthcare consultant Jeffrey Kanter from the Libertarian primary after he submitted hundreds of invalid signatures with his candidate petition.[249]

Oklahoma

[edit]
Oklahoma election
← 2022
2032 →
 
Nominee Kevin Hern N'Kiyla Jasmine Thomas
Party Republican Democratic
Incumbent U.S. senator

Alan S. Armstrong
Republican


Incumbent Republican Markwayne Mullin won a special election in 2022 with 61.8% of the vote to complete the remainder of the term vacated by Jim Inhofe, who resigned on January 3, 2023, due to declining health and died in 2024.[250]

Mullin initially announced plans to seek his first full term in office, but on March 5, 2026, President Trump announced his nomination of Mullin for Secretary of Homeland Security; the Senate confirmed Mullin on March 23.[251] Governor Kevin Stitt appointed board member and former CEO of Williams Companies Alan Armstrong to replace Mullin in the Senate.[252] Armstrong was sworn in on March 24[253] and was required to sign an oath stating that he would not run in the 2026 election.[254][13]

U.S. Representative for Oklahoma's 1st congressional district Kevin Hern[255] won the June 16 Republican primary with 70% of the vote in a crowded field.[256]

In the June 16 Democratic primary, mediator Jim Priest[257] and nurse N'Kiyla "Jasmine" Thomas[258] received the most votes and advanced to a runoff on August 25.[259] A member of the Democratic Socialists of America, Thomas won the runoff with 61% of the vote over the more moderate Priest.

Entering Wedge Media executive director Ron Meinhardt and pharmacist Curtis Stinnett are running as independents.[256][260] Sevier White, candidate for Oklahoma's 4th congressional district in 2016, is running as a Libertarian.[256]

Oregon

[edit]
Oregon election
← 2020
2032 →
 
Nominee Jeff Merkley David Brock Smith
Party Democratic Republican
Incumbent U.S. senator

Jeff Merkley
Democratic


Three-term Democrat Jeff Merkley was reelected in 2020 with 56.9% of the vote. On July 20, 2025, he announced his candidacy for reelection.[261] He defeated retired electrical engineer Paul D. Wells[262] in the Democratic primary on May 19, 2026.[263]

State Senator David Brock Smith,[264] won the Republican primary that was held on May 19, 2026, defeating a crowded field of candidates, with former Linn County Republican Party chair Jo Rae Perkins[262] coming in second.[265]

Rhode Island

[edit]

Five-term Democrat Jack Reed was reelected in 2020 with 66.5% of the vote. He is running for reelection to a sixth term.[266] He is being challenged in the Democratic primary by elder care worker Connor Burbridge[267] and physician Luis Daniel Muñoz.[268]

Former Rhode Island Republican Party official Raymond McKay is the presumptive Republican nominee.[269]

South Carolina

[edit]
South Carolina election
← 2020
2032 →
 
Nominee Darline Graham Annie Andrews
Party Republican Democratic
Incumbent U.S. senator

Darline Graham
Republican


Four-term Republican Lindsey Graham was reelected in 2020 with 54.4% of the vote. He was running for reelection to a fifth term.[270] Graham won the Republican nomination in the June 9 primary with 57% of the vote,[271] but died in office on July 11.[272] Governor Henry McMaster appointed Graham's sister Darline to serve the remainder of his term, and she is seeking a full term. A special Republican primary was held on August 11. Darline Graham and U.S. Representative Ralph Norman advanced to the August 25 runoff, which Graham won, 52% to 48%.[273]

Pediatrician Annie Andrews[274] won the Democratic primary with 61% of the vote.[275]

South Carolina Libertarian Party nominee Kasie Whitener and Constitution Party nominee Mark Hackett were nominated by convention.[276] 2022 US Senate candidate Catherine Fleming Bruce is running as a write-in candidate.

South Dakota

[edit]
South Dakota election
← 2020
2032 →
 
Nominee Mike Rounds Brian Bengs
Party Republican Independent
Incumbent U.S. senator

Mike Rounds
Republican


Two-term Republican Mike Rounds, who was reelected in 2020 with 65.7% of the vote, is running for a third term.[277] Rounds easily defeated Navy veteran and businessman Justin McNeil in the primary on June 2 to become the Republican nominee.[278]

Businessman and former South Dakota state trooper Julian Beaudion was the Democratic nominee,[279] but withdrew from the race on August 4.[280]

U.S. Navy and Air Force veteran, former Northern State University political science professor, and Democratic nominee for U.S. Senate in 2022 Brian Bengs has announced his candidacy as an independent.[112]

Tennessee

[edit]
Tennessee election
← 2020
2032 →
 
Nominee Bill Hagerty Marquita Bradshaw
Party Republican Democratic
Incumbent U.S. senator

Bill Hagerty
Republican


One-term Republican Bill Hagerty was elected in 2020 with 62.2% of the vote and is running for reelection.[281] Hagerty is the Republican nominee, as no other Republicans qualified for the primary ballot.[282]

Consultant Marquita Bradshaw[282] won the Democratic nomination on August 6.[283]

Texas

[edit]
Texas election
← 2020
2032 →
 
Nominee Ken Paxton James Talarico
Party Republican Democratic
Incumbent U.S. senator

John Cornyn
Republican


Four-term Republican John Cornyn was reelected in 2020 with 53.5% of the vote, and ran for a fifth term in 2026.[284]

Cornyn and state Attorney General Ken Paxton ran in the Republican primary on March 3. Since neither received more than 50% of the vote, they advanced to a runoff election held on May 26.[285] U.S. Representative for the 38th congressional district Wesley Hunt challenged Paxton and Cornyn, but lost the primary.[286] On May 19, both Hunt and President Trump endorsed Paxton.[287] Paxton defeated Cornyn in the runoff by a landslide and became the Republican nominee.

State Representative James Talarico is the Democratic nominee, having defeated U.S. Representative Jasmine Crockett in the primary.[288][289]

Virginia

[edit]
Virginia election
← 2020
2032 →
 
Nominee Mark Warner Bert Mizusawa
Party Democratic Republican
Incumbent U.S. senator

Mark Warner
Democratic


Three-term Democrat Mark Warner was reelected in 2020 with 56% of the vote and is running for reelection. As the only person to submit the necessary number of signatures to appear on the primary ballot, Warner is the Democratic nominee.[117]

Retired United States Army Major general Bert Mizusawa, who ran for U.S. Senate in 2018 and for Virginia's 2nd congressional district in 2010,[290] won the Republican nomination over Certified Public Accountant Kim Farrington[291] and U.S. Marine Corps Reserve Colonel David Williams.[292]

West Virginia

[edit]
West Virginia election
← 2020
2032 →
 
Nominee Shelley Moore Capito Rachel Fetty Anderson
Party Republican Democratic
Incumbent U.S. senator

Shelley Moore Capito
Republican


Two-term Republican Shelley Moore Capito was reelected in 2020 with 70.3% of the vote and is running for reelection to a third term.[293] She won the Republican primary on May 19.[294]

Former Morgantown City Councilwoman Rachel Fetty Anderson[295] won the Democratic primary on May 12, 2026.[296]

Wyoming

[edit]
Wyoming election
← 2020
2032 →
 
Nominee Harriet Hageman James W. Byrd
Party Republican Democratic
Incumbent U.S. senator

Cynthia Lummis
Republican


One-term Republican Cynthia Lummis was elected in 2020 with 72.8% of the vote and is not seeking reelection.[25]

U.S. Representative Harriet Hageman defeated Wyoming Army National Guard veteran Jimmy Skovgard for the Republican nomination on August 18, 2026.[297]

Former state Representative James W. Byrd defeated landscaper Billy Benavidez for the Democratic nomination on August 18, 2026.[297]

See also

[edit]

Notes

[edit]
  1. ↑ 33 Class 2 seats, as well as 2 Class 3 seats being determined in special elections
  2. ↑ Majority control in an evenly divided Senate is determined by the Vice President of the United States, who has the power to break tied votes in their constitutional capacity as President of the Senate; accordingly, Senate control requires 51 seats or 50 seats with control of the vice presidency.
  3. 1 2 Both independent senators (Bernie Sanders of Vermont, and Angus King of Maine) caucus with the Democrats.
  4. 1 2 Markwayne Mullin won a special election in 2022 to fill Jim Inhofe's Oklahoma Senate seat after Inhofe resigned for health reasons. Mullin resigned on March 23, 2026, to become United States Secretary of Homeland Security. Oklahoma Governor Kevin Stitt appointed Alan S. Armstrong to the seat, and he was sworn in on March 24, 2026. Oklahoma law requires appointees to affirm they will not seek a full term; Armstrong will not run for election.[13]
  5. 1 2 Republican senator Luther Strange ran to complete the term he was appointed to in 2017 but lost the primary to Roy Moore, who narrowly lost the general election to Democratic nominee Doug Jones.
  6. ↑ Two elected incumbent senators lost renomination in primaries in 2010: Lisa Murkowski in Alaska and Arlen Specter in Pennsylvania. After losing her primary, Murkowski ran a write-in campaign during the general election and won. In addition, Bob Bennett lost renomination at the state convention in Utah.
  7. ↑ Republican senator Maurice J. Murphy Jr. ran to complete the term he was appointed to in 1962 but placed third in the primary.[1]
  8. ↑ Two nominees in subsequent election cycles willingly withdrew their nominations after winning their primaries: Baron Hill in the 2016 election in Indiana and H. Brooke Paige in the 2018 election in Vermont. The replacement nominees were selected by their parties without a convention or special primary; both lost in the general election.
  9. ↑ In the 2010 Senate elections, the Massachusetts special election was not included in the list and not part in the regular election cycle.
  10. ↑ Appointed to the seat following the resignation of Al Franken.
  11. ↑ Appointed to the seat following the resignation of Markwayne Mullin.
  12. ↑ The last elections for this group of senators were in 2020, except for those elected in a special election or who were appointed after the resignation or death of a sitting senator, as noted.
  13. ↑ This forecast uses the terms "Likely" and "Very Likely" the same way the other forecasts use the terms "Lean" and "Likely". To avoid confusion, and for the purposes of equivalency, the terms "Likely" and "Very Likely" will be changed to "Lean" and "Likely". As well, "tossup" is labeled "uncertain", but for the purposes of this page it will be labeled "tossup".
  14. ↑ This website uses two different forecasts, a "legacy" and "complete" forecast. The website clarifies their legacy forecast is the one that should be used for apples to apples comparisons against other forecasts.
  15. ↑ Republican Marco Rubio won with 57.68% of the vote in 2022, but resigned on January 20, 2025, after being confirmed to become Secretary of State.
  16. ↑ Republican Ben Sasse won with 62.74% of the vote in 2020, but resigned on January 8, 2023, to be president of the University of Florida.
  17. ↑ Republican JD Vance won with 53.03% of the vote in 2022, but resigned on January 10, 2025, to become Vice President of the United States.
  18. ↑ Republican Jim Inhofe won with 62.91% of the vote in 2020, but resigned at the end of the 117th United States Congress. In 2022, Markwayne Mullin won with 61.77% of the vote. He resigned in 2026 after being sworn in as United States Department of Homeland Security.
  19. ↑ Republican Lindsey Graham won with 54.44% of the vote in 2020, but died in office on July 11, 2026.
  20. ↑ Democratic total includes Independents who caucus with the Democrats.
  21. ↑ Calculated by taking the difference of 100% and all other candidates combined.
  22. ↑ Republican incumbent Lindsey Graham was renominated, but died on July 11, 2026.

References

[edit]
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