How & Where to Vote
Find out where to vote, how to vote, how to vote early, and how to vote by mail.
Register to Vote
Register to vote in Colorado, or learn more about voter ID & rights.
Have more questions about voting?
Read our voting FAQ
Important Dates - Presidential Primary
Voting Information for Colorado
Colorado holds semi-closed primaries. Voters must be registered with their party of choice or unafilliated with a party. When registering, unaffiliated voters can select to receive ballots from all parties by mail and later decide which ballot to use and return.
Voters that want to change their party for must do so by February 3 for the March 3 primary.
Some congressional seats, state offices and constitutional amendments may be included on the ballot.
Don’t miss your next election!
Don’t miss your next election! Colorado is a vote-by-mail state. As long as your registration lists your current address you will receive a ballot. If you have moved please be sure to update your registration at least 8 days before the next election to receive a ballot by mail. (Click here to register to vote.) You may go to your local elections office and designated polling centers to register to vote in person through election day.
Colorado’s presidential primary election is March 3, 2020.Find Your Representatives What Do Your Representatives Stand For?
Early Voting + Absentee Voting
Early Voting Dates: N/A, Vote by mail
All voters registered at least 8 days before the election (2/24/2020) in Colorado should receive a vote-by-mail ballot. No excuse required. If you have not received your ballot you can check its status here.
Voters may return ballots by mail, postmarked the day before the election, or in-person to their county clerk’s office, stand alone drop box locations, or Voter Service and Polling Center by Election Day. Click here to find your local locations.
Alternatively you can vote and register to vote in-person at Voter Service and Polling Centers on or before election day.
Voter ID + Eligibility for Colorado
Voter ID Requirements
If you do not have ID, you may cast a Provisional Ballot.
Find out more about your rights in Colorado.
You may pre-register for All Elections