Election Dates & Deadlines

U.S. Based Domestic Voters

State of Colorado Election Dates & Deadlines (more info)

Federal and State Elections

Tue Nov 2, 2021 - Colorado Coordinated Elections

Voter Registration Deadline

  • Same Day Registration & Voting begins Mon Oct 18, 2021
  • Online by Mon Oct 25, 2021
  • Postmarked by Mon Oct 25, 2021
  • Same Day Registration & Voting ends Tue Nov 2, 2021

Absentee Ballot Request Deadline


Absentee Ballot Return Deadline

Received by Tue Nov 2, 2021 7:00pm MDT

Early Voting Available

Mon Oct 18, 2021 - Tue Nov 2, 2021

In-person Absentee Voting Available

Fri Oct 1, 2021 - In the Election Office by Sun Oct 24, 2021
All registered voters should automatically receive a mail-in ballot. Voter registration deadlines displayed are only to register and have a ballot sent to you by mail. Colorado has same-day voting and registration through Election Day. Drop boxes for mail-in ballots are open from Tuesday, Oct 26, to 7:00 PM Tuesday, November 2. Includes the statewide Property Tax Rate Initiative ballot measure.


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