The date of this year’s primary election is Tuesday, June 24th.
The last day to register online to receive a ballot in the mail is June 16th, but you can still register in person up until election day. However, the last day for affiliated voters to change their political affiliation is May 23rd. Unaffiliated voters may affiliate at any time.
Ballots will be mailed out on June 2nd and the last day to request a mail ballot is June 17th.
For more information, check out Just Vote Colorado, which offers registration information and resources, ballot information, and more!