Colorado Senate Election 2026: Live Results
The Colorado Senate Election 2026 is on November 3, 2026. John Hickenlooper (Democrat, incumbent) faces Republican Mark Baisley. The seat is currently held by Democrats. VoteTide rates the race Safe D. Prediction markets give John Hickenlooper a 99% chance of winning. The last polls in Colorado close at 9 p.m. Eastern.
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Updated Tue, 03 Nov 2026 16:29:22 GMT
Results
No votes have been reported yet. Polls close at 9 p.m. Eastern.
Candidates
- John Hickenlooper (Democrat, incumbent)
- Mark Baisley (Republican)
Odds
- Kalshi: Democrat 98%, Republican 2%
- Polymarket: Democrat 99%, Republican 1%
Rating: Safe D
What's at stake
For the country
- This seat is held by Democrats. Losing it would make the path to a majority harder: they would then need 5 flips elsewhere.
- For Republicans it is a pick-up chance that would add a cushion to their majority.
- Senate control decides which judges and cabinet nominees are confirmed and whether the President's bills can pass.
For Colorado
- Senators vote on every federal law, confirm Supreme Court justices, federal judges and cabinet members, and ratify treaties. Terms last six years.
- John Hickenlooper is the incumbent. Incumbents bring seniority, name recognition and committee roles; challengers argue for a fresh start.
John Hickenlooper
- Supporters say a Democratic senator would push to lower health-care costs and protect the Affordable Care Act.
- They argue for restoring federal abortion protections and expanding voting access.
- They favour raising taxes on the highest earners and corporations to fund programs.
Mark Baisley
- Supporters say a Republican senator would keep taxes low and protect recent tax cuts.
- They argue for tighter border security and stricter immigration enforcement.
- They favour expanding domestic energy production and cutting federal regulation.
Arguments are summarised at party level from each side's stated priorities, not quotes from the candidates.
Frequently asked questions
Who is running in the Colorado Senate Election 2026?
John Hickenlooper (D, incumbent), Mark Baisley (R).
Who is favored to win the Colorado senate race?
Prediction markets give John Hickenlooper a 99% chance. VoteTide's rating is Safe D.
When do polls close in Colorado?
On November 3, 2026, the last polls in Colorado close at 9 p.m. Eastern. The first results usually appear within an hour.
Where do these Colorado results come from?
Vote counts come from official election sources as they are published (and from the AP when configured). Odds come from Kalshi and Polymarket, and polls from public polling tables. The page refreshes every minute.
Colorado at a glance
- 2024 presidential result: Harris +11.0
- Electoral votes: 10
- U.S. House seats: 8