Requirements to vote:
18 years old on or by Election Day.
Resident of Colorado for 22 days before Election Day.
How do I register?
In the state of Colorado, you can register online, via mail, or in person.
To register online, go to www.GoVoteColorado.com. You must provide a Colorado issued driver’s license or state issued ID card from Colorado Department of Revenue.
Voters can register through Election Day but must register 8 days before Election Day to automatically receive a ballot in the mail.
To register via mail, fax, or scan and email, use this form and sent it to your county clerk and recorder’s office. You can find the form at: https://www.sos.state.co.us/pubs/elections/vote/VoterRegFormEnglish.pdf. You can find your county clerk’s office at: https://www.sos.state.co.us/pubs/elections/Resources/CountyElectionOffices.html
To register in person, go to one of the following locations:
Your county clerk and recorder’s office
At DMV when applying for or updating driver’s license
Offices that provide public assistance, including offices that provide state funded programs primarily engaged in providing services to person with disabilities;
Recruitment offices of the armed forces of the United States;
Any federal, state, or local government office or any non-government office that chooses to provide voter registration service or applications; or
A voter service and polling center
You do not have to designate a party affiliation to vote in either a primary or general election. However, if they choose to designate a party, voters may only vote on the ballot of their designated party in the primaries. If you do not designated a party affiliation, you may vote on any one party ballot of your choice.
If you legally changed your name, you must fill out a new paper registration form and mail it to your county clerk. If you want to change any other information, such as your address or party affiliation, go to the online registration portal at: https://www.sos.state.co.us/voter/pages/pub/olvr/findVoterReg.xhtml. Choose “Find my registration,” and once you have found your record, you can make any changes.
Can I pre-register?
You can pre-register if you are 16 years old and will be 18 by the general election.
You can vote in a primary election, even if you are still 17 years old, as long as you will be 18 by the general election date.