Fire Restrictions are in effect for western Boulder County. No fireworks, open fires in areas shown on map. View the flyer for details.

Many County services are being offered online. Additionally, a variety of resources are available for those impacted by COVID-19.

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Election Information

2020 June Primary and General Elections – Dates & Details

Primary Election — June 30, 2020

  • This June, the Democratic. Republican, and Libertarian Parties are holding primaries. Content by race will vary and may include candidates for: U.S. Senate, Congressional, State, and Local candidate races. You must be registered as a Democrat, Republican, Libertarian, or Unaffiliated to participate.
  • Registered Democrats will receive only the Democratic Party ballot. Registered Republicans will receive only the Republican Party ballot. Registered Libertarians will receive only the Libertarian ballot.
  • By law, unless a ballot preference has been specified, Unaffiliated voters will be mailed both major party ballots (Dem and Rep) but can only vote and return one.
  • Unaffiliated Voter Frequently Asked Questions
  • ***NEW*** 17-year-olds who will turn 18-years-old by the General Election, Tuesday, November 3, 2020 – Can now VOTE in Primaries!
  • Información para votantes que hablan Español (election information in Spanish)
  • Candidate Information – A compiled list of candidate names and websites by party ballot.

June 30 Primary – Sample Compiled Ballots in English & Spanish

Ballot content will vary depending on where you live.
Note: There are no certified write-in candidates for any contest for any party.

Sample Compiled Democratic Ballot / Boleta de muestra compilada Demócrata
Sample Compiled Republican Ballot / Boleta de muestra compilada Republicana
Sample Compiled Libertarian Ballot / Boleta de muestra compilada Libertaria

Key Dates & Events:

  • Saturday, May 16 – Ballots mailed/transmitted to overseas and military (UOCAVA) voters.
  • Monday, June 1 – Last day for voters who are affiliated with a political party to change or withdraw their affiliation if they wish to vote in a different party’s primary election for the June Primary Election. It is also the last day for Unaffiliated voters to specify in their voter registration a ballot preference (optional). Otherwise, they will receive both major party ballots, but can only vote and return one.
  • Tuesday, June 2 – Logic and Accuracy Test of voting systems and primary election ballots from 9:30 a.m. – 4:30 p.m at the Ballot Processing Center. Open to the public, but space limitations and safety directives will be enforced due to COVID-19. RSVP requested by June 1 at noon: or 303-413-7740.
  • Monday, June 8 – Ballots mailed to all Boulder County voters (non-overseas voters).
  • Wednesday, June 17 – Online Community Presentation about the upcoming elections, ballot processing, voter stats, elections security, and what we’re doing to keep voters, election judges, and staff as safe as possible during the COVID-19 pandemic. RSVP required (so we can email you the link).
  • Monday, June 22 – Last day to register and still be mailed a ballot / last day to request a replacement ballot be mailed to you. Note: Colorado DOES NOT have a registration deadline. Eligible voters can register and vote on the same day at any Voter Service Center. See eligibility requirements. If you did not receive a ballot or you damaged your ballot and need a new one, call to verify your address and request a replacement ballot: 303-413-7740 between 8 a.m. – 4:30 p.m. (Monday-Friday)
  • Monday, June 22Voter Service Centers open.
  • Tuesday, June 30 – Election Day – Last day to vote; Ballots due by 7 p.m.

Helpful Resources & Other Information:

More information will be posted throughout the election period regarding the June Primary.

General Election — November 3, 2020

  • Details will be posted after the June 30 Primary Election.

Contact Us

Elections Division


303-413-7728 (Fax)


Hours: 8 a.m. – 4:30 p.m. M-F


Boulder: 1750 33rd Street
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Longmont: 529 Coffman Street
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Lafayette: 1376 Miners Drive
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Mailing Address

1750 33rd Street, Suite 200
Boulder, CO 80301