Colorado’s 2026 Primary Election is coming up, and now is the time to make sure you’re ready to vote!
- June 8 is the first day mail ballots may be sent to voters.
- June 22 is the last day to register to receive a ballot by mail.
- All completed ballots must be received by your county clerk by 7:00pm on June 30 in order to be counted.
Check or update your voter registration at GoVoteColorado.gov, review the full 2026 Election Calendar here, and sign up for BallotTrax to track your ballot and receive updates on its status.