Stage 1 fire restrictions, enacted for unincorporated areas of western Boulder County.

Voter dropping off ballot at 24-hour ballot dropbox, Boulder County Elections logo, person wearing "I Voted" sticker


Bicycle with ballot perched on handlebars parked in front of Boulder County Drop Box

Election Information

  • Key Dates
  • FAQs
  • Important election information
  • Ballot Returns Data
Smiling woman typing at computer

Voter Registration

  • Register to Vote
  • Update Your Voter Registration
  • Check Your Voter Registration Status

Voting Locations, Ballot Return, Replacement Ballots

  • 24-Hour Drop Boxes
  • Vote Center Locations
  • Replacement Ballots
  • Ballot-to-Go

What’s on My Ballot?

  • View sample ballots
  • Research candidates
  • Spanish language ballots
Woman dropping secure envelope into drop box

Información para votantes en Español

  • Fechas Clavas
  • Preguntas Frecuentes
  • Información Electoral Importante
Hand holding a Boulder County Clerk and Recorder badge scanning into a secure door.

Elections Security

  • Ballot Processing
  • Voting System Security
  • Pre-Election Testing
  • Post-Election Audit
  • Informational Videos

Know Your Voting Rights

  • Informacion en español
  • Language Assistance
  • Criminal Justice System
  • ID Requirements
  • ADA Accessibility

Stay up to date

Boulder County Elections only emails key election information and deadlines.
Option 1 (recommended) – Update your voter registration to include an email address. Option 2: Signup for Voter & Election Emails (note that if you move out of Boulder County, you will need to unsubscribe).

Boulder County Election News (press releases and blog posts)

Contact Us

Elections Division


303-413-7728 (Fax)
Boulder County Elections website

7:30 a.m. to 5 p.m.
Closed Fridays


Boulder: 1750 33rd St. (main office)
Map and Directions Boulder Location

Longmont: 529 Coffman St.*
Map and Directions Longmont Location

Lafayette: 1755 S. Public Road*
Map and Directions Lafayette Location
* Longmont and Lafayette locations only offer paper voter registration forms

Mailing Address

1750 33rd St., Suite 200
Boulder, CO 80301

Boulder County Elections logo