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Registration Deadlines 

10/25/21 - Online & By Mail,

11/2/21 - In Person


Are You Registered to Vote in Colorado?

Matt Bachus

I'm from the Midwest where a strong work ethic was important and, just like in Colorado, the people are down to earth and friendly...

I'm from the Midwest where a strong work ethic was important and, just like in Colorado, the people are down to earth and friendly...

Sep 28 6 minutes read

Upcoming Election Dates & Registration Deadlines

Some elections in this list are local and do not apply for all Colorado voters. Please click the View all”  to view all election dates in your state.


Tuesday, November 2, 2021


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Registration Deadlines

ONLINE Get Registered!

Monday, October 25, 2021


Monday, October 25, 2021


Tuesday, November 2, 2021

You have several options to register to vote, depending on if you wish to receive your ballot through the mail or vote in person. You can register any time through Election Day in person at a voter service and polling location in your county. If you would like to receive your ballot through the mail you must register in advance through one of the following ways.

  • Online at through 8 days before the election
  • Submit a printed registration application through 8 days before the election. This can be mailed or submitted in person
  • Submit an application through a voter registration drive through 22 days before the election.

Colorado now has automatic voter registration! When you interact with certain agencies, such as the DMV, you usually provide information like your name, address, date of birth, etc. This information is then used to register you to vote in Colorado. The county clerk will verify that they have the complete record to register you to vote. If your record is complete, the county clerk will send a notice to you that you are registered to vote. You can return the notice to either decline to be registered or to affiliate with a political party. If you do not decline to be registered within 20 days after the notice is mailed, and the form is not returned as undeliverable, you are then registered to vote.

Tuesday, March 1, 2022 - Election Type: Caucus 

Election Location(s):

  • Party Precinct Caucus

Must be a resident of the precinct for 22 days and registered to vote no later than 22 days before the precinct caucus to participate. 

Registration Deadlines:

By Mail: Monday, February 21, 2022

In Person: Monday, February 21, 2022

Online: Monday, February 21, 2022 Get Registered!

Tuesday, June 28, 2022 - Election Type: Primary

Election Location(s):

  • Primary

Registration Deadlines:

By Mail: Monday, June 20, 2022 (postmarked)

In Person: Tuesday, June 28, 2022

Online: Monday, June 20, 2022 Get Registered!

Tuesday, November 8, 2022 - Election Type: General

Election Location(s):

  • General

Registration Deadlines:

By Mail: Monday, October 31, 2022 (postmarked)

In Person: Tuesday, November 8, 2022

Online: Monday, October 31, 2022 Get Registered!

Absentee Ballot Process

Spread the word

All voters can receive a mail ballot before each Election Day. If you need to update the address you want you ballot mailed to, use the online tool to fill out the Voter Registration Application and update your address. You can sign up to track your mail ballot on your Secretary of State website. 

If you vote in-person, you may return your mail ballot and vote in-person at a voter service and polling center. Even if you do not return your mail ballot you may still vote in person. Once you vote in person your county clerk will not accept for counting any ballot that was mailed to you. The deadline to vote in-person is 7:00 PM on Election Day.

If you are a first time voter who registers by mail to vote in Colorado, you are required to submit one of the forms of identification (listed below) with your application. If you have not already done so, you must also submit a copy of one of these forms of identification when you return your absentee ballot application. DO NOT include original documents with the application. You must place the copy of ID in the outer envelope of the ballot, not inside the ballot itself. Please submit a copy of one of the following forms of identification:

  • A valid Colorado driver's license
  • A valid Colorado Department of Revenue ID card
  • A valid pilot's license issued by the Federal Aviation Administration
  • A valid U.S. Military ID card with photograph
  • A valid Medicare or Medicaid card
  • A certified copy of a U.S. birth certificate
  • Certified documentation of naturalization
  • A valid U.S. passport
  • A valid employee identification with a photograph issued by the U.S. government, Colorado state government, or any county, municipality, board, authority, or other political subdivision of the state
  • A copy of a current utility bill, bank statement, government check, paycheck, or other government document that shows your name and address. A cable bill, telephone bill or documentation from a Colorado public institution of higher education containing at least your name, date of birth, and legal residence address, or a paycheck from a government institution are also sufficient forms of ID

Note: Some forms of ID may not contain an address. If your address appears on the identification, the address must be in Colorado.

Ballots are mailed 30 days before Election Day, or three days after the County Clerk receives the request for a mail in ballot.

To vote, fill out your ballot, sign it and return to your County Clerk.

Overseas citizens and U.S. military personnel can find information on how to register to vote and request an absentee ballot at the Overseas Vote Foundation.

Colorado Department of State, Secretary of State, 1700 Broadway, Suite 270, Denver 80290, 303-894-2200, 303-869-4861, 

[email protected]

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