Colorado US Senate 2026
Election day is November 3, 2026. A statewide contest in Colorado.
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About this race
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. Democratic incumbent John Hickenlooper is seeking a second term. He is being challenged by Republican state senator Mark Baisley.
Primary elections were held on June 30, 2026. In the Democratic primary, Hickenlooper won the nomination with 52.8% of the vote over state senator Julie Gonzales. Baisely was the only candidate to receive at least 30% support from the Republican State Assembly, allowing him to advance to the primary unopposed.
Background