Voter Registration & Voter Information

Voter Registration & Voter Information

Voter Registration Sign

Voter Registration

Ballot Return Envelope

Ballot Tracking & Sample Ballot Information

  • Learn about Ballot Track, Boulder County’s service to receive email, text, or phone alerts on the status of your mail ballot. Sign-up is available year-round.
  • Use the Secretary of State’s Find Registration Tool during election periods to view a sample ballot for your address/precinct.

Passport Map

Military & Overseas Voters

Information for our uniformed and overseas citizens.


Student Voting

Information for local students.

elections logo mini size

Coordinated Election 2017

Register / Sign up for Ballot Track

Oct 16
Ballots get mailed to voters

Oct 30
Voter Service Centers open
Last day to register and still receive a ballot in the mail (otherwise you need to vote in person)

Nov 3
Drive-by Ballot Drop-off locations open

Nov 7
Election Day (last day to vote)

Colorado does not have a registration deadline. See registration requirements.

Contact Us

Elections Division


303-413-7728 (Fax)


Hours: 8 a.m. – 4:30 p.m. M-F


Boulder: 1750 33rd Street
Map & Directions

Longmont: 529 Coffman Street
Map & Directions

Lafayette: 1376 Miners Drive
Map & Directions

Mailing Address

1750 33rd Street, Suite 200
Boulder, CO 80301