Elections Division
7:30 a.m. - 5 p.m.
Monday - Thursday
Closed Fridays
Boulder County Elections Homepage
vote@bouldercounty.gov
Phone: 303-413-7740
Fax: 303-413-7728
Ballot Drop-off and Voting Locations
Mailing Your Ballot
- We recommend mailing your Primary Election ballot by Monday, Oct. 26. After Oct. 26, please use a 24-hour drop box instead.
- Postage: You will need one first class stamp if your ballot is one page long. If your ballot has two pages, you will need two first class stamps.
- All 2026 General Election ballots must be received by 7 p.m. on Election Day – Tuesday, Nov. 3. Postmarks do not count.
