How to register and update your registration
Start or update your registration online on Colorado’s election website.
You can also register to vote by mail or in person on Colorado’s election website.
Voter registration deadlines
Find state and local election dates.
- 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
Register by mail using the National Mail Voter Registration Form.
Fill out the form with our form filler tool. We'll provide state-specific instructions for each step. When you’ve completed the form, you'll need to print, sign, and mail it.
Last updated: November 18, 2024