Colorado Election Center

• In Person: Election Day.
• By Mail: Received 8 days before Election Day.
• Online: 8 days before Election Day.

You can register and cast a ballot up through Election Day by appearing in-person at a Voter Service and Polling Center during the Early Voting period or on Election Day. Contact your Local Election Office if you have any questions.

To register in Colorado you must:

• be a citizen of the United States;
• be a resident of Colorado 22 days prior to Election Day;
• be 18 years old on or before Election Day; and
• not be serving a sentence of detention, confinement, or parole for a felony conviction.

1. Use our Register to Vote Tool to fill out the National Voter Registration Form.
2. Sign and date your form. This is very important!
3. Mail or hand-deliver your completed form to the address we provide.
4. Make sure you register before the voter registration deadline.

• In Person:
• By Mail: 8 days before Election Day.
• Online:

All registered Colorado voters receive mail ballots. You only need to apply for an absentee ballot if you need your ballot mailed someplace other than your usual address.

All registered Colorado voters receive mail ballots. You only need to apply for an absentee ballot if you need your ballot mailed someplace other than your usual address.  If that’s the case:

1. Use our Absentee Ballot Tool to prepare your application.
2. Sign and date the form. This is very important!
3. Return your completed application to your Local Election Office as soon as possible. We’ll provide the mailing address for you.
4. All Local Election Offices will accept mailed or hand-delivered forms. If it’s close to the deadline, call and see if your Local Election Office will let you fax or email the application.
5. Make sure your application is received by the deadline. Your application must actually arrive by this time — simply being postmarked by the deadline is insufficient.
6. Please contact your Local Election Office if you have any further questions about the exact process.

1. Once you receive the ballot, carefully read and follow the instructions.
2. Sign and date where indicated.
3. Mail your voted ballot back to the address indicated on the return envelope.
4. Your voted ballot must arrive by the deadline or it will not be counted.

15 days before Election Day.

1 day before Election Day.

If you are voting in person in Colorado, you will need to provide a valid form of ID at the time you vote. All the forms of ID that show your address must be a Colorado address in order for the form of ID to qualify.

Valid forms of ID include:

• Colorado driver’s license or valid ID card issued by the Colorado Department of Revenue
• A US passport
• An employee ID card with a photograph issued by any branch, department, agency, or entity of the US government or of Colorado, or by any county, municipality, board, authority, or other political subdivision of Colorado
• A pilot’s license issued by the federal aviation administration or other authorized agency of the US
• A US military ID card with a photograph
• A copy of a current (within the last 60 days) utility bill, bank statement, government check, paycheck, or other government document that shows your current name and address
• A Medicare or Medicaid card
• A certified copy of a US birth certificate
• Certified documentation of naturalization
• A student ID card with a photograph issued by an institute of higher education in Colorado
• A veteran ID card with photo
• An ID card issued by a federally recognized tribal government certifying tribal membership

If you are voting for the first time in Colorado and are voting by mail, you will need to provide a photocopy of a valid ID along with your mail ballot or with your voter registration form. All the forms of ID that show your address must be a Colorado address in order for the form of ID to qualify.

Valid forms of ID include:

• Colorado driver’s license or valid ID card issued by the Colorado Department of Revenue
• A US passport
• An employee ID card with a photograph issued by any branch, department, agency, or entity of the US government or of Colorado, or by any county, municipality, board, authority, or other political subdivision of Colorado
• A pilot’s license issued by the federal aviation administration or other authorized agency of the US
• A US military ID card with a photograph
• A copy of a current (within the last 60 days) utility bill, bank statement, government check, paycheck, or other government document that shows your current name and address
• A Medicare or Medicaid card
• A certified copy of a US birth certificate
• Certified documentation of naturalization
• A student ID card with a photograph issued by an institute of higher education in Colorado
• A veteran ID card with photo
• An ID card issued by a federally recognized tribal government certifying tribal membership

Your County Clerk and Recorder will provide additional instructions with your ballot.