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How to vote in Colorado

Check your registration status
Register to vote in Colorado
Request your Colorado absentee or mail-in ballot
Find upcoming elections
Pre-register to vote (ages 13-17)
Sign up for election reminders
Find out where to vote
Track your Colorado ballot
Contact your local election office

Key deadlines in Colorado

Voter registration deadlines

  • Online: 8 days before Election Day
  • By mail: Received by 8 days before Election Day
  • In person: Election Day (via same-day registration)

Absentee ballot request deadlines

Absentee ballot return deadlines

Voting dates

Colorado voter registration guide

Colorado absentee and mail ballot guide

Colorado voting guide

Your election officials in Colorado

External resources