Voting Rules in Colorado
ID requested; non-photo accepted. Voters who return ballots by mail are verified by signature.
Colorado mails a ballot to every active registered voter. Drop boxes and in-person voting also available.
Voter service centers open 15 days before Election Day.
Voter registration must be completed by October 26, 2026. Online registration is available.
Voters may register and vote on Election Day at voter service centers.
Polls are open from 7:00 AM – 7:00 PM on Election Day. If you are in line when polls close you are entitled to vote.
Candidates on the Ballot
Candidate data will be added as 2026 races are formally declared.
Check back as filing deadlines approach · www.sos.state.co.usUpcoming Election Dates
Polling Place Finder
Enter Your Address
Enter your U.S. address below — no country needed. Data is pulled directly from official government sources via the Google Civic Information API.
Register to Vote in Colorado
Official Colorado Voter Registration
Register online, by mail, or in person at your local election office. You must be a U.S. citizen, a Colorado resident, and at least 18 years old by Election Day.
Register at www.sos.state.co.us →