How to vote in Colorado
You're a U.S. citizen? Then you vote like anyone else. Five questions, in the order you'll ask them. Every date links to the page I read it on.
Can I still register?
- Online: by .
- By mail: by .
- In person: by .
Missed the deadline? You can still register and vote on the same day, during early voting and on Election Day.
Register on the state's own form. Not sure you are registered? Look yourself up on the state's own lookup.
Source: sos.state.co.us. Checked 11 October 2026.
Can I vote early?
Yes. Early voting in person runs from to .
Source: sos.state.co.us. Checked 11 October 2026.
Can I vote by mail?
Yes, and you do not have to ask. Colorado mails a ballot to every registered voter.
- Send it back: your ballot has to arrive by 7:00 p.m. on .
Source: sos.state.co.us. Checked 11 October 2026.
What do I bring?
Bring an ID. A photo ID is not always needed. A recent utility bill, bank statement or paycheck with your name and address also works.
Source: coloradosos.gov. Checked 11 October 2026.
Where and when on 3 November?
Election Day is .
- Polls are open: 7:00 a.m. to 7:00 p.m.
- Where to go: look it up on the state's own lookup.
Source: sos.state.co.us. Checked 11 October 2026.
The last word
The state's election office has it, not me. If anything here differs from GoVoteColorado.gov (Colorado Secretary of State), the state is right. I checked these pages on 11 October 2026, and rules can change after that.
I tell you how to vote. I never tell you who to vote for. See how the people who represent Colorado score on Iran, or see how Iranians in one district vote as one.
Not a citizen yet? Here is what your papers allow.