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Register to vote in Colorado

How to register to vote

Start your online registration on Colorado’s election website.

You can also register to vote by mail or in person on Colorado’s election website.

Voter registration deadlines

  • Online registration deadline: 8 days before Election Day
  • Register by mail deadline: Must be postmarked 8 days before Election Day
  • In person registration deadline: Available up to and including on Election Day

How to check your voter registration

You can confirm your voter registration status on Colorado’s election website .

Other ways to register to vote

You can also download the National Voter Registration Form (PDF) available in English and additional languages from the dropdown menu below.

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