Primary
Primary held June 30, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| John Hickenlooper ✓ | 472,811 | 52.8% | |
| Julie Gonzales | 422,425 | 47.2% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Mark Baisley ✓ | 445,130 | 100.0% |
Full calendar and every race: Colorado primary guide
Race Overview
Candidates
John Hickenlooper Nominee Incumbent
Democrat
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more. How accurate is each pollster? →
No polls in the last 90 days.
Questions About This Race
Is the 2026 Colorado Senate race competitive?
No — the expert consensus rates it Safe D for Democrats.
When is the 2026 Colorado Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
First-term Class II incumbent seeking re-election (Bennet, who ran for governor and lost the primary, holds the OTHER seat, up 2028)
Independent Expenditures Updated 6 hours ago
Top Spenders
- COMMON SENSE ACTION FUND $300,000
- WORKING FAMILIES PARTY PAC $224,256
- OUR FUTURE COLORADO $195,250
- INDIVISIBLE ACTION $43,450
- NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE $14,754
- INDIVISIBLE PROJECT INC. $1,135
- GIVEGREEN UNITED ACTION $167
Full outside-spending research — every committee, every race →