2026 PRIMARY
U.S. House · Colorado · 1st District
Denver, Glendale · One seat · current holder Diana Degette (D) · 4 candidates declared
Election day● Jun 30, 2026
General election● Nov 3, 2026
Voter reg deadline8 days before Election Day
Early voting opens15 days before Election Day
State Voting Deadlines
Election Day · Nov 3, 2026- Voter reg · in person
- Election Day
- Voter reg · by mail
- 8 days before Election Day (received)
- Voter reg · online
- 8 days before Election Day
- Early voting starts
- 15 days before Election Day
- Early voting ends
- 1 day before Election Day
- Absentee request · in person
- N/A
- Absentee request · by mail
- N/A
- Ballot return · by mail
- Election Day (received)
No-excuse absenteeAutomatic voter registrationAutomatic vote-by-mailSame-day registration
