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Notice: Mail-in voting is a convenient and safe way to vote, but your ballot might not count if it’s submitted late or with errors. So follow the directions below on how to vote early or absentee and make your vote count in Colorado.
Colorado has a one step vote by mail process. It is a vote-by-mail state, meaning that all registered voters receive a ballot in the mail. The deadline to register to vote and receive a ballot in the mail is October 31st, 8 days before Election Day.
After you complete your ballot, be sure to return it ASAP!
Need your ballot sent to a different address? Apply for a ballot here ASAP (deadline is 8 days before Election Day) and follow the steps listed above.
Don't worry if you miss the voter registration mail-in ballot deadline - you may still register to vote through Election Day and vote in person at a vote center in your county.
Remember to sign your return ballot.
After completing your ballot, put it into the return envelope provided by the state. Sign the self-affirmation on the return envelope.
Be sure that your signature matches your signature on file with the state! If you registered online or at the DMV, check the signature on your license. If the signature does not match, your ballot could be tossed and will not count.
If you return your ballot by mail, you must add a stamp when mailing in your ballot.
You can also drop off your ballot in person at your drop box, early voting locations, or polling place.
Any designated person can drop off a ballot for you.
If you decide to vote in person rather than vote by mail, go to a Voter Service and Polling Center in your county to vote in person. If possible, bring your ballot to discard at the Voter Service Center. Even if you do not return the mail ballot, you may still vote in person.
Colorado does offer voters a chance to address challenges to their ballot.
Your state has a cure period, which means you can “cure” a challenge to the signature on your ballot if it was done incorrectly. You will be contacted if there is a challenge to your signature through Election Day.
You will be notified by mail within two days of the election. You must return the confirmation form accompanying the letter to the county clerk and recorder within eight days after Election Day to count.
You may get a phone call from a number you do not recognize with a notification that you need to cure your ballot. Be sure to pick up so you don’t miss your chance to make sure that your ballot is counted.
Colorado voters must show ID at the polls to vote. All voters are sent a mail-in ballot to the address associated with their voter registration, no ID is required if voting-by-mail.
If the ID displays an address, the address must be a CO address to be accepted
Enter your address below to see what you can expect on Election Day.
Primary Type (D): Open
Primary Type (R): Open
Colorado holds semi-closed primaries. Voters must be registered with their party of choice or unaffiliated 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.
Your state automatically registers people to vote at their address of record when they interact with certain state agencies. If you have moved, changed your name or want to add a political party selection, you must update your voter registration. Click here to check to see if you are registered to vote, and update your registration if needed.
You can register to vote and cast your ballot on Election Day at your polling place or local elections office. Bring a valid ID and proof of residence with you.
You can return your mail-in ballot to your early voting site.
You can register to vote, vote early in person, or return your mail-in ballot at a Voter Service and Polling Center near you. Click here to find your Voter Service and Polling Center.
Some states have laws that specifically allow citizens to preregister at a certain age while others allow registration as long as you’re 18 by the next election. Preregistration means you’ll be automatically registered to vote on your 18th birthday without taking any additional steps.
In Colorado, you can preregister to vote if you are 18 by the next election. Register to vote today!
Some states even let you vote in their primaries at 17 if you’ll be 18 by the general election so you can participate in the whole process!
You can not vote in the Colorado primaries if you are 17 by the next election.