State of Colorado Voting Requirements & Information

Statewide Voter Information

U.S. Domestic Voters

General Information


You can register to vote or update your registration information:

  • online
  • by email
  • by mail
  • in person at your elections office
  • at the polls during Early Voting
  • at the polls on Election Day

You must have resided in Colorado at least 22 days immediately before the election at which you intend to vote.

All voters who register to vote by the Monday one week prior to election day will be automatically sent a Vote-by-Mail ballot with no other application required. Voters may still register after this date and vote in person or pick up a ballot at a voter service and polling center in your county

Election Day Voting

Every voter now receives a mail ballot. If you want to vote at the polls, you can vote in-person at a voter service and polling center. Polling places are open from 7am to 7pm on Election Day.

Find my polling place

Early Voting

Voter service and polling centers are open for in-person early voting for 8 days prior to and on Election Day, except on Sundays.

General Information