Presidential Primary Date: March 5, 2024
Open or Closed: Open to unaffiliated voters
How to Vote in the Primary: Primary Elections FAQs (state.co.us)
Colorado has semi-open primaries. Voters registered with a particular political party can vote in that party’s primary, as can unaffiliated voters.
If you are already a registered voter in Colorado you may confirm your registration by visiting www.GoVoteColorado.gov. Once your registration is verified, you may update your address and party affiliation as well.
Affiliated voters will be eligible to vote for candidates in their party while unaffiliated voters will be eligible to vote for a candidate in any one party's election.