2026 United States Senate election in Colorado

For related races, see 2026 United States Senate elections.

2026 United States Senate election in Colorado

←  2020 November 3, 2026 2032 →

Party Democratic Republican

Incumbent U.S. senator John Hickenlooper Democratic

The 2026 United States Senate election in Colorado will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Colorado. ^[1] Incumbent Democratic senator John Hickenlooper, who was first elected in 2020, has stated that he plans to run for re-election. ^[2] He has also said that he pledged to only serve two terms, if re-elected. ^[3]

Democratic primary

Candidates

Declared

• Karen Breslin, college professor, attorney ^[4]
• John Hickenlooper, incumbent U.S. Senator ^{[2] [3]}

Potential

• Jared Polis, Governor of Colorado since 2019

General election

Predictions

Source	Ranking	As of
Inside Elections [5]	Solid D	January 17, 2025
The Cook Political Report [6]	Solid D	February 11, 2025
Sabato's Crystal Ball [7]	Safe D	February 13, 2025

See also

• 2026 Colorado gubernatorial election

References

1. Cohen, Zach C. (November 13, 2024). "Senate Republicans Face a More Competitive Senate Map in 2026". Bloomberg Government . Retrieved December 16, 2024.
2. Festenstein, Noah (August 18, 2023). "Colorado's Hickenlooper says he'll seek reelection in 2026, favors declassifying marijuana". Denver Gazette. Retrieved December 16, 2023.
3. Sarles, Jesse. "Sen. John Hickenlooper says his re-election bid in two years will be his last campaign for Senate". CBS News . Retrieved December 6, 2024.
4. "Karen Breslin for Colorado". Karen Breslin for Colorado. Retrieved February 9, 2025.
5. "Senate Ratings". Inside Elections. Retrieved January 14, 2025.
6. "2026 CPR Senate Race Ratings". Cook Political Report. Retrieved February 11, 2025.
7. "2026 Senate ratings". Sabato's Crystal Ball. Retrieved February 13, 2025.