League of Women Voters



Colorado Voting Machines

The voting machine systems used in Colorado are optical scan, DRE and hand-counted paper ballots.

Colorado Provisional Voting

You may vote provisionally if:

  • You vote outside the county where you live
  • The statewide registration system shows you already voted in the election
  • You don't present a valid form of ID

You can register and change your address on Election Day to vote a normal ballot.

Provisional ballots will be counted after the voters' eligibility is confirmed and no later than 14 days after a General Election and 10 days after a primary election.

Colorado Candidate and Ballot Measure Information

Information on local, state and federal candidates and ballot measures may be available here.

To see a list of available races, visit the race index.


Under HAVA, each polling place must contain a voting system that is accessible for individuals with disabilities, including for visually impaired voters, in a manner that provides the same opportunity for accessibility and participation (including privacy and independence) as for other voters.

For more information, you can utilize the American Association of People With Disabilities (AAPD) resource.


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


DonateKeep VOTE411 Online!
The League depends on the generosity of VOTE411 users! If you found this information valuable, help us continue the work! Donate Now!


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.

Subscribe to RSS - Colorado