Colorado 2026 midterm elections
Who's running in Colorado's 2026 midterm elections: the U.S. Senate race and all 8 House districts, on Tuesday, Nov. 3, 2026.
| Seat | Candidate | vs | Candidate | Status |
|---|---|---|---|---|
| U.S. Senate Held by (D) John Hickenlooper | Mark Baisley (R) | vs | John Hickenlooper (D) Incumbent · Voting record → | Incumbent running |
| 1st District (CO-1) Replacing (D) Diana DeGette, lost the primary | Melat Kiros (D) | vs | Christy Peterson (R) | Open seat |
| 2nd District (CO-2) Held by (D) Joe Neguse | Kelley Dennison (R) | vs | Joe Neguse (D) Incumbent · Voting record → | Incumbent running |
| 3rd District (CO-3) Held by (R) Jeff Hurd | Jeff Hurd (R) Incumbent · Voting record → | vs | Dwayne Romero (D) | Incumbent running |
| 4th District (CO-4) Held by (R) Lauren Boebert | Lauren Boebert (R) Incumbent · Voting record → | vs | Eileen Laubacher (D) | Incumbent running |
| 5th District (CO-5) Held by (R) Jeff Crank | Jeff Crank (R) Incumbent · Voting record → | vs | Jessica Killin (D) | Incumbent running |
| 6th District (CO-6) Held by (D) Jason Crow | Jason Clark (R) | vs | Jason Crow (D) Incumbent · Voting record → | Incumbent running |
| 7th District (CO-7) Held by (D) Brittany Pettersen | Tim Bennett (R) | vs | Brittany Pettersen (D) Incumbent · Voting record → | Incumbent running |
| 8th District (CO-8) Held by (R) Gabe Evans | Gabe Evans (R) Incumbent · Voting record → | vs | Manny Rutinel (D) | Incumbent running |
Register to vote in Colorado
- Online: Oct. 26 — To still be mailed a ballot.
- By mail: received by Oct. 26 — To still be mailed a ballot.
- In person: Nov. 3 — At a Voter Service and Polling Center until 7 p.m. on Election Day.
Online registration: Yes
Same-day registration: available, during early voting and on Election Day.
Check your registration · Register
Sources: sos.state.co.us ↗ · sos.state.co.us ↗ · sos.state.co.us ↗