2026 United States Senate election in Wyoming

For related races, see 2026 United States Senate elections.
Not to be confused with 2026 Wyoming Senate election.

2026 United States Senate election in Wyoming
November 3, 2026
 
Party Republican Democratic
Incumbent U.S. senator

Cynthia Lummis
Republican



The 2026 United States Senate election in Wyoming will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Wyoming. Primary elections will be held on August 18, 2026. Republican Senator Cynthia Lummis, who was elected in 2020,[1] declined to seek reelection to a second term.[2]

Background

Wyoming is considered to be a deeply red state at the federal and state levels, with Donald Trump overwhelmingly winning the state in 2024 by more than 45 points.[3] Republicans control both houses of the Wyoming Legislature with large supermajorities, the state's only congressional district, and all statewide executive offices. Wyoming has been represented in the U.S. Senate exclusively by Republicans since 1977. Cynthia Lummis was first elected in 2020, defeating zoologist Merav Ben-David by 46 percentage points to succeed longtime incumbent Senator Mike Enzi, who opted to retire.[4] Wyoming is unique in its status as the "reddest" state in the entire nation and it also is the least-populated state in the country.[5] Lummis raised $500,000 for her re-election bid in second quarter of 2025.[6]

Republican primary

Candidates

Declared

Potential

Declined

Endorsements

Harriet Hageman
Executive branch officials
U.S. senators
U.S. representatives
Statewide officials
State legislators
Organizations
Cynthia Lummis (declined)
Executive branch officials
U.S. senators
Organizations

Fundraising

Italics indicate a declined candidate.

Campaign finance reports as of December 31, 2025
Candidate Raised Spent Cash on hand
Harriet Hageman (R) $971,030 $1,078,264 $775,729
Source: Federal Election Commission[22]

Democratic primary

Candidates

Declared

General election

Predictions

Source Ranking As of
Inside Elections[25] Solid R August 12, 2025
The Cook Political Report[26] Solid R October 14, 2025
Sabato's Crystal Ball[27] Safe R August 12, 2025
Race to the WH[28] Safe R September 4, 2025

References

  1. ^ "Wyoming 2020 Senate election results". CNN. Retrieved April 10, 2025.
  2. ^ a b Mestas, Denise (December 19, 2025). "Lummis Announces Decision To Not Seek Re-Election in 2026". Wyoming News Now. Retrieved December 19, 2025.
  3. ^ "2024 Wyoming Election Results". Associated Press. Retrieved April 10, 2025.
  4. ^ "Republican Senator Mike Enzi will not seek re-election in 2020". CBS News. May 4, 2019. Retrieved May 13, 2025.
  5. ^ "2025 Cook PVI℠: State Map and List". Cook Political Report. March 6, 2025. Retrieved July 18, 2025.
  6. ^ "Lummis raises nearly $500K for reelection campaign in 2025 Q2". Wyoming Tribune Eagle. July 15, 2025. Retrieved July 20, 2025.
  7. ^ Steinhauser, Paul (December 23, 2025). "Scoop: Trump ally who ousted Cheney launches Senate bid keep GOP seat in Republican hands". Fox News. Retrieved December 23, 2025.
  8. ^ "Mills veteran seeks US Senate seat". Oil City News. January 21, 2026. Retrieved March 10, 2026.
  9. ^ Sutherland, Charley (December 20, 2025). "Harriet Hageman likely mulling run after Wyoming Sen. Cynthia Lummis announces retirement". Jackson Hole News&Guide. Retrieved December 20, 2025.
  10. ^ a b "Lummis endorses Hageman to succeed her in U.S. Senate". Wyoming Tribune Eagle. January 15, 2026. Retrieved January 16, 2026.
  11. ^ a b Lewis, Ray (December 23, 2025). "Trump endorses Wyoming's congresswoman for Senate". The National Desk. Retrieved December 28, 2025.
  12. ^ a b Stingray, River (March 27, 2025). "Trump endorses Lummis for second term far ahead of 2026 election". Buckrail. Retrieved April 10, 2025.
  13. ^ "Wyoming Sen. John Barrasso endorses Harriet Hageman in Senate race". Retrieved January 12, 2026.
  14. ^ Mitola, Will (December 23, 2025). "Club for Growth PAC Endorses Harriet Hageman in WY-SEN Race". Retrieved January 4, 2026.
  15. ^ a b c Mullen, Maggie (December 23, 2025). "Wyoming's Rep. Harriet Hageman announces run for U.S. Senate". WyoFile. Retrieved December 23, 2025.
  16. ^ McFarland, Clair (December 23, 2025). "Degenfelder 'Strongly Considering' Run For Governor, Others Ponder Higher Office". Cowboy State Daily. Retrieved December 29, 2025.
  17. ^ a b "Harriet Hageman for Senate". Senate Conservatives Fund. January 12, 2026. Retrieved January 16, 2026 – via Substack.
  18. ^ "Endorsements". Turning Point Action. Retrieved January 29, 2026.
  19. ^ a b c d e f Caldwell, George (September 25, 2025). "Wyoming Sen. Lummis Touts Major Endorsements for Reelection". The Daily Signal. Retrieved September 26, 2025.
  20. ^ Wolfson, Leo (March 11, 2025). "Cynthia Lummis 'Gearing Up For Reelection' To US Senate In 2026". Cowboy State Daily. Retrieved May 13, 2025.
  21. ^ "Our Candidates: 2026 Endorsements". SenateConservatives.com. Senate Conservatives Fund. Retrieved November 25, 2025.
  22. ^ "2026 Election United States Senate". fec.gov. Federal Election Commission. Retrieved October 11, 2025.
  23. ^ "FEC Form 2 for Report FEC-1945783". docquery.fec.gov. Retrieved February 11, 2026.
  24. ^ Zahn, Noah (February 17, 2026). "Former Wyoming Rep. James Byrd announces bid for U.S. Senate". Wyoming Tribune Eagle. Retrieved February 17, 2026.
  25. ^ "Senate Ratings". Inside Elections. Retrieved January 14, 2025.
  26. ^ "2026 CPR Senate Race Ratings". Cook Political Report. Retrieved February 11, 2025.
  27. ^ "2026 Senate ratings". Sabato's Crystal Ball. Retrieved February 13, 2025.
  28. ^ "2026 Senate Forecast". Race to the WH. Retrieved March 19, 2025.

Official campaign websites

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