COVID-19 Advisory: No determination has been made regarding whether there will be any changes to absentee voting rules for the general election. We will update this page with any developments.
Who is eligible to vote by mail?
Every registered Colorado voter receives a mail ballot at the address on their voter registration file.
- If you register to vote in person, you must show a driver’s license, state ID, or provide the last 4 digits of your social security number (SSN), if you have one.
- If you registered by mail and did not include your state’s driver’s license number or the last 4 digits of your SSN, you must show an acceptable form of ID (see below) at your polling place.
- If you apply for an absentee/vote by mail ballot and did not include your state’s driver’s license number or the last 4 digits of your SSN when you registered by mail, you must include a copy of an acceptable ID (see below).
Here is a list of acceptable IDs: Documents that prove who you are
Your state may have other ID requirements for voting in person or for absentee/vote by mail ballot.
Do you need to submit ID with your absentee ballot request?
No requests are needed as all Colorado voters receive a mail ballot.
Do you need to submit ID with your ballot?
No, but the signature on your mail ballot must match other signatures on file.
Last update: April 15, 2020