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Registration Deadline: Colorado law allows you to register to vote through Election Day.
but please note that how you register to vote matters. The appropriate deadlines are:

If you register to vote by mail or online through at least 8 days before an election conducted by your county clerk and recorder, the clerk will automatically mail you a ballot. 

-If you register after the 8th day before an election conducted by your county clerk and recorder, you must visit one of the Voter Service and Polling Centers in your county to get a ballot.

-If you register to vote through a voter registration drive, your application must be submitted no later than 22 days before an election.

-You may register to vote by appearing in-person at a voter service and polling center through Election Day.

Party Affiliation: In order to vote at any precinct caucus, assembly, or convention of a major party, an elector must be a resident of the precinct for 30 days, must have registered to vote no later than 29 days before the caucus, assembly, or convention, and must be affiliated with the major party holding the caucus, assembly, or convention for at least 2 months.


Age: Must be 18 years of age or older at the time of the next election,

Citizenship: Must be a United States citizen

Residency: Must have resided in Colorado 22 days immediately before the election at which you intend to vote,

Felony Convictions: Are not serving a sentence of confinement, detention, or parole for a felony conviction. For more information see the 
Voting and Conviction FAQ.

D Requirements: 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.

If any form of identification listed below shows your address, that address must be in the state of Colorado to be valid.

The following are acceptable forms of identification:
 -A valid Colorado driver’s license
 -A valid identification card issued by the Department of Revenue
 -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 United States government or of this state, or by any county, municipality, board, authority, or other political subdivision of this state
 -A valid pilot’s license issued by the federal aviation administration or other authorized agency of the United States
 -A valid U.S. military identification card with a photograph of the eligible elector
 -A copy of a current 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, as defined in section 23-3.1-102(5), C.R.S.;
 -A valid veteran identification card issued by the United States 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.
   -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 of section 1-2-210.5, C.R.S.
Verification that a voter is a resident of a group residential facility, as defined in section 1-1-104(18.5), C.R.S


Online: Colorado Online Voter Registration or download a printable form

In person:
   - A Colorado Department of Motor Vehicle office when you apply for a driver's license, or update your driver's license information.
   - All offices that provide public assistance; offices that provide state funded programs primarily engaged in providing services to persons with disabilities.
   - Recruitment offices of the armed forces of the United States.
   - Any federal, state local government, or non government office that chooses to provide voter registration service or applications.

By mail/ in writing: 
Printable voter registration forms are available on the Secretary of State's web site, county clerk and recorder offices, and any federal post office that provides voter registration applications. You may mail, fax, or scan and email your complete and signed form to your county clerk and recorder’s office. Mailed forms also accepted at:

Colorado Department of State Elections Division
1700 Broadway, Suite 200
Denver, CO 80290

By fax: Contact your
 local county election office.

Other Voter Registration Application Information: If you have already registered to vote, you do not need to register again. However, if you moved prior to the registration deadline, you will need to update your voter registration and vote in the precinct for your new residence. Colorado electors may now update their voter registration records, including address information, online at


Online: Colorado Online Voter Registration Verification

Phone: Contact your local county recorder.


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.

Military VotersColorado citizens who are either temporarily or permanently overseas and all active military personnel who are absent from Colorado, including their spouses and voting age dependents, are eligible to vote by mail under the Uniformed and Overseas Citizens and Absentee Voting Act (UOCAVA) and Colorado law.


Online: If not a military voter, you can request a mail-in ballot or sign up for a mail-in ballot when registering.

In person: If you prefer, you may also submit a Federal Post Card Application or Standard Form 76 (FPCA) to your county clerk and recorder. The FPCA is a universal form used for both voter registration and absentee requests. The FPCA is available on the Federal Voting Assistance Program (FVAP) 

By mail: If you prefer, you may also submit a Federal Post Card Application or Standard Form 76 (FPCA) to your county clerk and recorder. The FPCA is a universal form used for both voter registration and absentee requests. The FPCA is available on the Federal Voting Assistance Program (FVAP) website.

Military and oversees voting: As a military or overseas voter with a Colorado driver's license or identification card you can use the online voter registration portal to register to voter, request a ballot and update your registration information. The online form will allow you to indicate your military or overseas classification and your ballot transmission preference. Complete UOCAVA Guide

Other absentee ballot information: See the 
mail-in ballot FAQ.


Location and time: Your ballot must be received by your county elections office 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. 

All military or overseas voters must vote and return their ballots by 7:00 PM Mountain Time on election day. The county elections office must receive the ballots no later than the close of business on the 8th day after election day.


Early voting qualifications: Early voting is available and no excuse is required. For information on early voting locations, please contact your County Clerk and Recorder for more information


Verifying Registration: Colorado online voter registration verification or contact your local county clerks 

Deciding how to vote:

Time off to vote: Employees who have 3 or more non-work hours available during the hours polls are open (typically 7:00 a.m. to 7:00 p.m.) on election day are not entitled to time off to vote. Upon prior request (before election day) by the employee, employers must provide up to 2 hours of paid time off to vote if the employee does not have 3 or more non-work hours between 7:00 a.m. and 7:00 p.m.

Polling Place: 
Contact your local election office 

Problems with voting: 
File a HAVA Complaint or for more resources to solve voting problems click here.

Verifying provisional ballot status: The election judge will give you a receipt when you cast a provisional ballot. This receipt provides information on how you may determine the status of your provisional ballot

Verifying absentee ballot status: 
Colorado absentee ballot verification 




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