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When is the
Deadline to Register?
Voters may register through Election Day. Please note that how you register to vote will impact how you receive your ballot.
To receive your ballot by mail:
Register to vote or update your voter registration online at www.GoVoteColorado.gov through the 8th day before Election Day;
Submit an application through the mail, at a voter registration agency, or at a local driver's license examination facility through the 8th day before Election Day; or
Submit an application through a voter registration drive no later than 22 days before Election Day.
If you miss the above deadlines, you may register in-person at a voter service and polling center in your county through Election Day.
Have More Questions?
Read FAQ's from the Secretary of State
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