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Colorado Voting Quick Facts

Who Can Register to vote in Colorado

To register to vote in the State of Colorado, an individual must meet the following qualifications:

  • Be a United States Citizen
  • Be a Colorado resident and have lived in the state for at least 22 days before the election,
  • Are not serving a sentence (including parole) for a felony conviction
  • will be 18 years of age or older at the time of the next election

You May register to vote if you were arrested for or convicted of a crime if you:

  • Are on probation for either a misdemeanor or felony
  • Are a pretrial detainee awaiting trial
  • Are currently in jail serving a misdemeanor sentence only
  • Have served your sentence for a felony conviction,including any period of parole

Am I required to affiliate with a party?

No. But if you want to participate in a party's primary or caucus, you must be affiliated with that party.

Learn more about Who Can Register To Vote in Colorado?

How Do I Register To Vote in Colorado

Voting At The Polls On Election Day


All voters who vote at the polls must provide identification. If you are voting by mail for the first time, you may also need to provide a photocopy of your identification when you return your mail ballot.

The following documents are acceptable forms of identification,

  • A valid U.S. passport
  • A valid employee identification card with a photograph of the eligible elector issued by any branch, department, agency, or entity of the U.S. government or of Colorado, or by any county, municipality, board, authority, or other political subdivision of Colorado.
  • A valid Colorado driver’s license or valid identification card issued by the Colorado Department of Revenue.
  • A valid pilot’s license issued by the federal aviation administration or other authorized agency of the U.S.
  • A valid U.S. military identification card with a photograph of the eligible elector.
  • A copy of a current (within the last 60 days) utility bill, bank statement, government check, paycheck, or other government document that shows the name and address of the elector.
  • A Certificate of Degree of Indian or Alaskan Native Blood.
  • A valid Medicare or Medicaid card issued by the Centers for Medicare and Medicaid Services.
  • A certified copy of a U.S. birth certificate for the elector.
  • Certified documentation of naturalization.
  • A valid student identification card with a photograph of the eligible elector issued by an institute of higher education in Colorado
  • A valid veteran identification card issued by the U.S. department of veterans affairs veterans health administration with a photograph of the eligible elector.
  • A valid identification card issued by a federally recognized tribal government certifying tribal membership.

Any form of identification listed above that shows your address must show a Colorado address to qualify as an acceptable form of identification.

The following documents are also considered acceptable forms of identification for voting

  • Verification that a voter is a resident of a group residential facility
  • Verification that a voter is a person committed to the department of human services and confined and eligible to register and vote shall be considered sufficient identification of such person for the purposes

The following are NOT acceptable forms of identification

  • A drive's license or identification card issued to not lawfully present and temporarily lawfully present individuals.
  • Any document produced by Colorado’s statewide voter registration system.

Learn more about Voting at the Polls on Election Day

Who Can Vote in Primary Elections in Colorado

Both Democrats and Republicans hold Semi-Closed Primaries

The State of Colorado holds regularly scheduled state elections every two years; a state Primary Election in June and a General election in November. On the June Primary Election Day, voters affiliated with a major party may cast a ballot for candidates of that party. If there is a minor party contest for an office those affiliated with that minor party may cast a ballot for those candidates.

Unaffiliated electors may declare affiliation with one of the major or minor parties and cast that party’s ballot.

Click here for additional information

Who Can Vote Absentee in Colorado

Colorado has no-excuse mail-in (absentee) voting. If you prefer not to go to the polls on election day, you may apply to vote by mail by submitting a completed Mail-in Ballot Application to your local county clerk. If you have a Colorado State driver's license or ID card issued by the Department of Revenue you may update your voter registration and request a mail-in ballot online at Paper voter registration forms are also available on the Secretary of State's web site.

Q2. What is permanent mail-in voting?

If you choose to be placed on the list of Permanent Mail-in Voters, you will receive a mail-in ballot for every applicable election. Alternatively, you may ask for a mail-in ballot for a specific election or the calendar year.

Q3. What is the deadline for requesting a mail-in ballot?

If you want a mail-in ballot sent to you by mail, your county clerk and recorder must receive your application no later than the close of business on the 7th day before the election. If you want to pick up your mail-in ballot, you must apply no later than the Friday preceding the election. If you mail your application, make sure to allow time for delivery.

Q4. When will I receive my mail-in ballot?

Mail-in ballots will be mailed beginning 22 days before an election, after which ballots will mail be mailed within 72 hours after the receipt of a mail-in ballot application. Once mailed, you should allow 7-10 days to receive your mail-in ballot.

Q5. What if I requested a mail-in ballot, but I have not received my ballot?

You can confirm your voter registration information and check the status of your mail ballot online at You may also contact your county clerk for additional information.

Q6. If I am voting by mail, when must my mail-in ballot be received by my county clerk? Are mail-in ballots counted in the same manner as other ballots?

Mail-in ballots count just like any other ballot as long as they are received by your county clerk no later than 7:00 p.m. on Election Day. Electors are encouraged to drop off ballots at designated drop off sites or mail their ballots in time to be received by the county clerk before the polls close. Postmarks do not count. Make sure to mail your ballot in advance of Election Day or drop off your ballot at your county clerk’s office or at established drop-off locations. Contact your county clerk’s office for drop-off locations.

Q7. What should I do if I make a mistake, damage, or lose my mail-in ballot?

You may request a replacement mail-in ballot from your county clerk.

Q8. Where can I find information for military or overseas electors?

A8. Colorado citizens who are either temporarily or permanently overseas and all active military personnel, including their spouses and dependents, are eligible to vote by absentee ballot under The Uniformed and Overseas Citizens and Absentee Voting Act (UOCAVA) and Colorado law.

Learn more about Absentee Voting

What If My Address Has Changed

Q10. I am planning to go away to college, should I wait to register there? Can I remain registered in my hometown if I go away to school?

  • A10. Colorado law allows college students to keep their voter registration in their hometown and vote by mail from college. This choice is up to the student. They may re-register in the jurisdiction where they are attending school, or they may retain their registration in their hometown.

Q5. If I am already registered to vote, do I need to register before each election?

  • A5. If you have already registered to vote, you do not need to register again. But if you moved, you must update your voter registration with your new residence. Colorado electors may update their voter registration records, including address information, online at

Learn more about Movers/college students Voting

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When Is The Next Election?

Upcoming Elections Calendar - Election dates and deadlines - Check Colorado upcoming elections schedule

Poll Hours: 7:00 AM-7:00 PM

Voters who are in line at their polling location by 7:00 PM are allowed to vote no matter how long it takes for each person to cast his or her ballot.

How can I find my polling location?

If you do not know where your polling place is,you can use to find your polling location. If you have any issues or questions, please contact your County Clerk

Can I Register At The Polls On Election Day?


Colorado law allows you to register to vote through Election Day. But please note that how you register to vote matters.

Can I Take Time Off For Voting? Yes

By law, an elector may get time off without loss of pay if he or she does not have sufficient time outside of regular working hours to vote. With prior notice to an employer, employees may take up to two hours off of work for the purpose of voting. The employer may specify the hours the employee will take off, but the period must fall at the beginning or end of the work period if the employee so requests. There is no leave available if there are three or more hours between the time of opening and the time of closing of the polls during which the voter is not required to be on the job.

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