League of Women Voters




Employers must grant employees two hours of paid leave to vote, unless polls are open three hours before or after regular working shift.

Colorado Election Dates

The next election date is Tuesday, June 26, 2018 (Primary). The registration deadline is Monday, June 18, 2018.

Contact your local Board of Elections for more information.



Colorado Eligibility Requirements

To be eligible to vote in Colorado, you must be:

  • A U.S. Citizen
  • 16 years of age if you are 18 years or older at the time of the next election
  • A Colorado resident for at least 22 days before an election
  • Not serving a sentence (including parole) for a felony conviction

Note: Residency for the purpose of voting means the principal or primary home of a person. You must have a residence in order to register to vote.

Colorado Early Voting

Early voting for the Tuesday, June 26, 2018 Primary Election begins on June 18th and ends on June 26th (except for Sunday, June 24th).

Early voting is available and no excuse is required.

Early voting is available during regular business hours for 10 days before a primary election and for 15 days before a General election.

Colorado Registration Deadline

You can register to vote:

  • Anytime in person at a county voter registration office or Voter Service and Polling Center, including Election Day (NOTE: If you register in person after the 8th day before an election you must visit one of the Voter Service and Polling Centers in order to vote your ballot. You will not receive a mail ballot).
  • No later than 8 days before an election by mail or online at
  • No later than 22 days before an election or through a Voter Registration Drive

Colorado Absentee Ballot Process

Colorado is a vote by mail state so 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 Reigstration Application and update your address.

Colorado ID Needed for Voter Registration

Your completed voter registration form must contain your Colorado driver's license number or your Department of Revenue ID number. If you do not have a driver's license or department of revenue ID number, then you will need to complete a paper registration form and provide the last four digits of your Social Security number. You cannot use a Social Security number when registering to vote online. If you do not have any of these forms of ID, please check the appropriate boxes on the paper registration application form.

Colorado ID Needed for Voting

If you are voting by mail for the first time you may need to provide a photocopy of your identification with your ballot. Voters who recently registered for the first time and are voting by mail are required to provide a photocopy of their identification.

When voting in person you will need one of the following types of identification:

Colorado Overseas and Military Voters

You are a Military or Overseas voter if you are in uniformed services, living overseas OR a spouse or dependant of a uniformed services voter. To get registered and vote, you can utilize Overseas Vote Foundation.

If you have additional questions about elections and voting overseas you can use our state specific elections official directory or contact the Overseas Vote Foundation.


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Election Day Problems?

Call one of these hotlines:
1-866-OUR-VOTE (866-687-8683)
1-888-VE-Y-VOTA (en Español)
1-888-API-VOTE (Asian multilingual assistance)
1-844-418-1682 (Arabic)


Donations to the LWVEF, a 501(c)(3) organization, are tax-deductible. The LWVEF tax id number is 53-0239013.

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