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May 7, 2020

Please read – June Primary Info & COVID-19 Planning

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With COVID-19, it is more important than ever to make sure your voter registration mailing address is up-to-date in order to receive your mail ballots for the two upcoming elections: the June Primary (if eligible) and the November General Election.

Please review the information below on the upcoming June Primary, and then take a moment to review your voter registration online to make sure everything is accurate and up-to-date.

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Thank you,

Your Boulder County Elections Team

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To participate in the June Primary Election, you must be registered as a Democrat, Republican, Libertarian, or Unaffiliated voter. Ballots for the June 30 Primary are mailed to all eligible voters beginning June 8. Here are the details:

  • Official ballot content will not be ready until next week. However, a preliminary (subject to change) list of ballot contests and candidates has been posted on our Election Information page.
  • 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 Party ballot. No other parties are holding primaries.
  • By law, unless a ballot preference has been specified, unaffiliated voters will be mailed both major party (Dem and Rep) ballots but can only vote and return one ballot.
  • Up until June 1, unaffiliated voters have the option to designate a ballot preference (including Libertarian), if they wish, by updating their voter registration ballot preference. If a ballot preference is selected, the unaffiliated voter will only receive the ballot for their selected preference in the mail. See our Unaffiliated FAQ for more details.
  • June 1 is also the deadline to switch party affiliation if you want to vote in a different primary.

COVID19 Planning illustration

Boulder County Elections staff are hard at work preparing to incorporate public health COVID-19 safety guidelines into our ballot processing and Voter Service Center activities.

We are busy implementing changes to create as safe an environment as possible for our election judges and workers, staff, and voters. This includes devising new protocols, procedures, and plans, such as physical distancing requirements, wearing masks, installing Plexiglas barriers (where applicable), and plans for increased cleanings.

While we are in unprecedented times, Colorado is fortunate to have a statewide mail ballot voting model with the ability to register to vote through election day. Our team is 100% dedicated and working hard to ensure that participating in democracy won’t undermine public health. Please do your part by making sure your voter registration address is correct so you can safely receive, vote and return your mail ballot and eliminate the need to come into a vote center.

Know a 17-year-old?

17-year-olds who will turn 18-years-old by the General Election (November 3, 2020) can now in the June Primary. (New this year!)

Have them register to vote today at

Important Dates:

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 for the June Primary Election.

  • (Optional choice) Last day for Unaffiliated voters to specify a ballot preference in their voter registration record before we start to mail ballots. Otherwise, they will receive both the Democratic and Republican Party ballots, but can only vote and return one.

June 8

  • Ballots mailed to Democratic, Republican, Libertarian, and Unaffiliated voters.

  • All 24-Hour Ballot Drop-off Boxes open

June 22

  • Voter Service and Polling Centers open. (More information on COVID-19 precautions will be shared at a later date.)

  • Last day to register (or request a replacement mail ballot) and still be sent a ballot in the mail.

June 30
Primary Election Day

  • Ballot drop-off and voting services available 7 a.m. to 7 p.m. Ballots must be received by 7 p.m. to be counted.

Colorado does not have a registration deadline. You can register to vote up through and including Election Day.

Why am I getting this email? You are receiving this correspondence because you provided your email to the Colorado Secretary of State when you registered to vote or your signed up to receive Boulder County Voter & Election Information. The Boulder County Elections Division will not be sending emails on a regular basis. We intend to only send important voting information during the election period.