/Primaries & DelegatesFind your state →Primary Rules
See Colorado primary election type, who can vote in primaries, and historical 2024 Democratic and Republican delegate allocation details.
Who Can Vote
Colorado is listed with an Open to Unaffiliated classification for Democratic State, Democratic Presidential, Republican Presidential, and Republican State. Unaffiliated voters may have primary ballot options, but party and contest rules still matter.
Open to Unaffiliated: Democratic State, Democratic Presidential, Republican Presidential, and Republican State.
Primary rules can vary by party, office, and election cycle. Confirm your current ballot eligibility with state election officials, your local election office, or the relevant political party.
The delegate totals on this page are historical 2024 presidential cycle data. They help explain the last presidential allocation cycle but should not be treated as current-cycle delegate counts.
Primary Type
Affiliated voters use their party’s primary ballot. Unaffiliated voters may choose one participating party; in June 2026 this includes Democratic, Republican and Unity Party primaries. Return only one party’s ballot.
Delegates
2024 Democratic Delegates
The Democratic Party uses a proportional representation system based on the results of the Presidential Preference Election (Primary) for apportioning delegates to the Democratic National Convention. In 2024, the Democratic party will send a total of 86...
2024 Republican Delegates
The Republican Party uses a Winner-Take-Most system based on the results of the Presidential Preference Election (Primary) for apportioning delegates to the Republican National Convention. The Republican party will send a total of 37 Delegate Votes and 34...
Sources
Questions
Colorado is listed with the following primary type classification: Open to Unaffiliated.
Colorado is listed with an Open to Unaffiliated classification for Democratic State, Democratic Presidential, Republican Presidential, and Republican State. Unaffiliated voters may have primary ballot options, but party and contest rules still matter.
The model lists 86 Democratic delegate votes and 37 Republican delegate votes for the 2024 presidential cycle.
The delegate totals shown for Colorado are historical 2024 presidential cycle data where listed. Confirm current-cycle delegate plans with official party materials or state election sources.
Use state election materials, party materials, and selected reference links where available. This page links to www.sos.state.co.us -Voting In Primaries and www.ncsl.org - Primary Types.