How to register to vote in Colorado
This article describes how to register to vote in Colorado. Colorado offers online voter registration. You can register to vote by mail in Colorado by printing a copy of the National Voter Registration Form, filling it out, and mailing it to your local election office. You can also register to vote in person if you prefer.
Register to vote in Colorado In-person
- You can also register to vote in person. The deadline to register to vote in person is Tuesday, November 6. Contact your local election officefor information on when and where to register to vote.
- You can also register to vote and cast a ballot in person on Election Day.
- Learn more by visiting the Secretary of State for Coloradoor contacting your local election official.
Who can vote
- To register in Colorado you must be a citizen of the United States and be a resident of Colorado 22 days prior to the election
- And, be at least sixteen years old and understand that you must be eighteen years old to be eligible to vote
- Not be serving a sentence (including parole) for a felony conviction
Register to vote in Colorado Online
- Colorado offers online voter registration.
- You should know: you need a Colorado ID to use Colorado’s online voter registration system. If you don’t have a Colorado-issued ID, you can still register to vote by mail.
- You can register online until Monday, October 29. If you miss this deadline, you will not receive a ballot by mail, but you can still vote in person at a voter service and polling center.
Register to vote in Colorado By-mail voter registration
- Print and fill out the National Voter Registration Form.
- Box 6 – ID Number: Your completed voter registration form must contain your Colorado-issued driver’s license number or identification number. If you do not have a driver’s license or CO-issued identification, you must include the last four digits of your Social Security number. If you do not have a driver’s license or a CO-issued identification or a Social Security number, please write “NONE” on the form. A unique identifying number will be assigned by the State.
- Box 7 – Choice of Party: Colorado does NOT require that you register with a party to participate in partisan primary elections. If you do not affiliate with a party you may choose the party primary you wish to vote in. If you choose to register with a party you can only vote in that party’s primary.
- Box 8 – Race or Ethnic Group: Leave blank.
- Review the “Who can vote?” section above and check that you’re eligible.
- Sign the form.
- Send the completed form to your local election official. To register by mail, the form must be received by Monday, October 29.
Military and overseas voters Register to vote in Colorado
Active-duty military, their families, and voters living outside the US can register to vote and request their absentee ballot using the Federal Post Card Application (FPCA). To do so:
- Fill out the Federal Post Card Application (FPCA), or download a copy. Your election official may have questions, so please provide an email address or phone number where they can reach you.
- Send the application to your election official.
- It is never too early to submit an FPCA! Please do so as soon as possible. You can look up recommended mailing dates by country and region.
- When your ballot arrives, read it carefully and follow the instructions to complete it and return it.
- States begin mailing absentee ballots at least 45 days before Election Day. If you haven’t received your ballot by 30 days before Election Day, contact your local election office.
If after submitting your FPCA, your ballot does not arrive, contact your election official first. Then:
- You can still vote using the Federal Write-In Absentee Ballot (FWAB). Print, sign, and mail your FWAB to your local election office.
- If you mail a FWAB and then receive your regular absentee ballot, you should complete and mail your absentee ballot also. Election officials will ensure that only one ballot is counted.
The Federal Voting Assistance Program – FVAP.gov offers additional information on military and overseas voting in Colorado.
Check your voter registration status
You can look up your voter registration record and verify that your information is correct using Colorado’s voter registration lookup tool.
Dates and deadlines
- Election day is Tuesday, November 6.
- The deadline to register online is Monday, October 29. If you miss this deadline, you will not receive a ballot by mail, but you can still vote in person at a voter service and polling center.
- The deadline for registering to vote by mail is Monday, October 29. If you miss this deadline, you will not receive a ballot by mail, but you can still vote in person at a voter service and polling center.
- The deadline to register to vote in person is Tuesday, November 6.
- You can also register and vote on Election Day.
Click here to view How to Register to Vote in Other States.