General Election ballots will be mailed on October 9, 2026 · General Election ballots will be mailed on October 9, 2026 · General Election ballots will be mailed on October 9, 2026 · General Election ballots will be mailed on October 9, 2026 ·

Voter Tools

Everything you need to cast your ballot with confidence for November 3, 2026.

Voter Registration

Make sure you're registered and your information is up to date before ballots mail on October 9, 2026.

Register Online

New to Colorado or never registered? Register online through the Secretary of State's portal in minutes.

Update Your Registration

Moved recently? Changed your name? Update your address or party affiliation before the deadline.

Same-Day Registration

Missed the deadline? Colorado allows same-day registration at any voting service center through Election Day.

Key Registration Deadlines — 2026 General Election

  • Online / mail registration deadline: October 26, 2026
  • In-person same-day registration: available through November 3, 2026

Check Ballot Status

Track your mail ballot from the moment it's printed through delivery and acceptance using Colorado's BallotTrax system.

Ballots Mail October 9

Every active registered voter receives a ballot automatically. Watch for it in your mailbox.

Must Arrive by 7 PM, Nov 3

Postmark is not enough — your ballot must physically arrive at your county clerk by Election Day close.

Real-Time Tracking

BallotTrax sends email, text, or voice alerts at each step: mailed, received, accepted.

Drop Boxes & Voting Centers

Every Colorado county has secure drop boxes and voting service centers where you can return your ballot in person — no stamp required.

Ballot Drop Boxes
  • Secure, tamper-evident outdoor boxes
  • Available 24/7 starting October 9, 2026
  • No postage or envelope needed
  • Multiple locations per county
Voting Service Centers
  • In-person voting on a machine or paper ballot
  • Same-day voter registration available
  • Replacement ballots if yours was lost or damaged
  • Open October 19 – November 3, 2026

Cure a Rejected Ballot

If your ballot is rejected for a signature issue, Colorado law gives you the right to fix it before Election Day. Don't let a technicality cancel your vote.

Your ballot can be rejected for a missing or mismatched signature.

Track your ballot on BallotTrax — it will show a "rejected" status if there's a problem. Act quickly; the cure deadline is Election Day.

Common rejection reasons:

1Missing signature on the return envelope
2Signature doesn't match your voter registration
3Ballot returned without the secrecy sleeve
4Ballot received after the deadline

How to cure your ballot:

  1. Track your ballot on BallotTrax — it will show a "rejected" status.
  2. Your county clerk will contact you by phone, email, or mail.
  3. Visit your county clerk's office or a voting service center to sign an affidavit.
  4. You can also cure online through the SOS voter portal in many cases.

More Resources

Find My Ballot

Enter your ZIP to see every race on your ballot

Get My Ballot

Election Calendar

Key dates — registration deadlines, ballot mail, Election Day

View Calendar

All 64 Counties

Browse races and clerk info for every Colorado county

Browse Counties