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Your one-stop shop for voter resources and ballot measure information. Whether you are looking for voter protection resources, overviews of the ballot measures, or in-depth reports on their implications, you can find all of our ballot publications here.

Key Dates for Colorado's 2025 Elections

October 13th, 2025

Ballots begin to be mailed to voters.

October 27th, 2025

Last day to submit an application to register to vote through the mail, a voter registration agency, a local driver's license examination facility, or online to receive a mail ballot for the Coordinated Election. (You can register to vote and vote in person through Election Day).

November 4th, 2025

Election Day!

  • You can register to vote and vote in person through Election Day until polls close at 7 PM.
  • All ballots must be returned by 7 PM.
  • If you're in line to vote at 7 PM, stay in line - you can still vote.

Ballot Guides

See our yearly voting resources and ballot guides.

Voter Resources

Count Me In

See our nonpartisan, objective ballot education resource, Count Me In! for reliable, plain-language information on every measure on the ballot. Count Me In is a robust civic engagement effort that partners with communities across the state to share resources on the decisions they will see on their ballots. Our focus is to spark community conversations about the power we have to influence the public investments that shape our communities.

Just Vote Colorado

Visit Just Vote Colorado to find answers to frequently asked questions, learn about your voting rights and more. Call the Election Protection hotline (866-OUR-VOTE) or NALEO’s Spanish-speaking voter hotline (888-VE-Y-VOTA) for additional assistance or to report issues. Help is available in 11 languages including ASL. Just Vote Colorado Election Protection is a non-partisan voter assistance project and is not affiliated with or promoting any party, candidate, or ballot issue.

Go Vote Colorado | Colorado Secretary of State

You can register to vote in Colorado all the way up to and on Election Day. Register online, check or update your registration, and find a polling place at Go Vote Colorado.

More questions? Reach out to Caitlin Schneider, schneider@coloradofiscal.org, for research requests or to schedule a presentation.

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