Colorado 2026 SENATE FORECAST
2026 Colorado Senate Forecast:
Proprietary forecast for Colorado's Senate election between Democrat John Hickenlooper and Republican Mark Baisley. This page will update with a daily set of 100,000 new simulations as race fundamentals change in order to produce race odds, projected margin, and forecasted vote share.
The 2026 Colorado Senate election features Democrat John Hickenlooper and Republican Mark Baisley. Incumbent senator John Hickenlooper is seeking reelection to a second term, having served in the US Senate since 2021. In 2024, Kamala Harris won Colorado by 11.0%, and Democrats are expected to easily retain the state's Senate seat in 2026. The race will test whether the incumbent party can hold its existing Senate coalition as national conditions shift during the midterm cycle.
- Year
- 2026
- Race
- Senate
- State
- Colorado
- Democratic candidate
- John Hickenlooper
- Republican candidate
- Mark Baisley
- Incumbent / open seat
- John Hickenlooper
- Forecast rating
- Likely D
- Projected vote
- 58.2% D / 41.9% R
- Projected margin
- D +16.3
- Forecast odds
- 94.5% D / 5.5% R
- Forecast last updated
- 12:00 AM on July 2, 2026
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