How to vote in Colorado

• Register to vote (online): 8 days before Election Day
• Register to vote (by mail): Postmarked 8 days before Election Day
• Register to vote (in person): Election Day

• If you can't remember if you're registered to vote, or you want to make sure your information is correct, you can check your Colorado registration using the Colorado voter registration lookup tool.
• If you're not registered to vote, or you need to update your voter registration information, follow the instructions below.

• You can register to vote online if you have a Colorado driver license, driver permit, ID card issued by the Colorado Department of Revenue, or Social Security Number. The system also has a process for if you need to submit a signature.
• Visit the Colorado online voter registration tool.
• Fill out all the required fields.
• You will be registered to vote as soon as you finish the workflow.
• You should receive your voter registration card in the mail within 2-3 weeks. If not, you might want to follow up with your local election office.
• The deadline to register to vote online is 8 days before Election Day.

1. Download and fill out the National Voter Registration Form.
2. Box 6 - ID Number: Provide your Colorado driver’s license number or identification number. If you do not have either of these numbers, provide the last 4 digits of your social security number. If you do not have any of these numbers, write "NONE" in this space.
3. Box 7 - Choice of Party: You may register with a party. If you leave this section blank you will not be registered with any party.
4. Box 8 - Race or Ethnic Group: Leave blank.
5. Print, date, and sign the form. If you do not have a printer, you can print the form out at any local library. If you do not have a stamp, you can buy one from any grocery store: just ask the cashier to sell you one.
6. Mail your voter registration form to the mailing address below. For faster delivery, send the form directly to your local election office.
7. Your voter registration form must be postmarked 8 days before Election Day

1. Contact your local election office to find where to register to vote in person.
2. Bring your Colorado driver's license or state ID card with you. If you don't have one, bring one photo ID issued by any state or Federal Government, and bring one document that shows your name and current address. Acceptable documents include a recent utility bill, bank statement, paycheck, residential lease, or any government document that shows your name and address.

• Earliest day to apply: Anytime.
• Request deadline (online): N/A
• Request deadline (by mail): Received 8 days before Election Day
• Request deadline (in person): 8 days before Election Day
• Deadline to return your ballot (by mail): Received by Election Day
• Deadline to return your ballot (in person): Received by Election Day

Colorado does not allow you to request your ballot online.

1. Download the Colorado absentee ballot application.
2. Fill out all of the required fields.
3. Print the application.
4. Sign and date your application. This is very important.
5. Mail or hand-deliver your completed application directly to your local election office as soon as possible, but no later than the deadline.
6. If it’s close to the deadline, call your local election office and see if they will let you submit your application via email or fax.
7. The deadline to apply by mail is: Received 8 days before Election Day.

1. Visit your local election office.
2. Ask the clerk to give you an absentee ballot application.
3. Fill out all of the required fields.
4. Sign and date your application.
5. The deadline to apply in person is: 8 days before Election Day.

1. Carefully read and follow the instructions, and fill out all required fields.
2. Sign and date the outside envelope.
3. Mail or hand-deliver your ballot to your local election office. You can also hand-deliver your ballot to a state-provided dropbox. You can use our Find Out Where To Vote tool to find an official dropbox.
4. If you mail your ballot, it must be received by Election Day.
5. If you hand-deliver your ballot, it must be received by Election Day.
6. If you miss the deadline – or forget to sign the outside envelope – your vote will not be counted.

• ID required when requesting a mail-in ballot: The signature on your absentee ballot application will be compared to the signature on your voter registration card to ensure they match.
• ID required when returning a mail-in ballot: If you are are a first time voter, you may need to include a copy of your ID with your voted ballot. Acceptable forms of ID include a photo ID issued by any state or the Federal Government. If you don't have a photo ID, include a photo copy of a recent utility bill, bank statement, government check, paycheck, or other government document that shows your name and address.

• Early voting starts: 15 days before Election Day
• Early voting ends: 1 day before Election Day