Colorado
U.S. Senate · Colorado
Election day November 3, 2026 · forecast of October 15, 2026
Our forecast gives the Democrats a 97% chance of winning, with an average lead of 17.3 points.
Safe seat. Chance of a final gap under 5 points: 7%.
Compared with the average
| Democrat | Republican | Other | |
|---|---|---|---|
| Colorado | 57.3% | 40.4% | 2.3% |
| National averageUnited States | 47.3%+10.0 | 48.7%−8.3 | 4.0%−1.7 |
Simple average of the 100 districts, not weighted by population.
Projection track
How the projection has moved
Current member
John Hickenlooper · Democrat
Primary results
| Democratic primary | John Hickenlooper | 52.8% | 472,870 votes |
|---|---|---|---|
| Republican primary | Mark Baisley | 100.0% | 445,352 votes |
Who's running
The candidates
Candidates for the upcoming election.
-
Democrat Incumbent
John Hickenlooper
source - Other Challenger
Chew, Bob
General-election qualification remains to be verified.
- Other Challenger
Chew, Robert
General-election qualification remains to be verified.
- Other Challenger
Pond, Sean M.
General-election qualification remains to be verified.
-
Republican Challenger
Mark Baisley
source
Watch list
The tightest races
The smallest projected gaps between the top two.
- Forecast updated