Primary Rules

Connecticut primary election and delegate rules

See Connecticut primary election type, who can vote in primaries, and historical 2024 Democratic and Republican delegate allocation details.

Rule and delegate context. This page combines structured primary-rule summaries with selected state, party, national, or archive source links. Presidential delegate counts are historical 2024 cycle data.

Last reviewed: August 21, 2026. Delegate counts are historical 2024 cycle data where listed. Confirm current primary voting rules with state election officials or party materials.

Who Can Vote

Can I vote in Connecticut primaries?

Primary access

Connecticut lists multiple primary classifications: Closed: Democratic Presidential and Republican Presidential. Partially Closed: Democratic State and Republican State. Eligibility can depend on the party, office, ballot type, and election cycle.

Party and office differences

Closed: Democratic Presidential and Republican Presidential. Partially Closed: Democratic State and Republican State.

Before you vote

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.

Delegate context

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

Connecticut primary type breakdown

For non-presidential races,Connecticut has partially-closed primaries in which individual parties allow unaffiliated voters to vote.However,presidential primaries are closed primaries.

Closed: Democratic Presidential and Republican Presidential
Partially Closed: Democratic State and Republican State

Delegates

Historical 2024 delegate allocation

2024 Democratic Delegates

63 delegate votes

Allocation: Proportional
Threshold: 15% minimum vote required

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 63...

2024 Republican Delegates

28 delegate votes

Allocation: Winner-Take-Most
Threshold: Not specified

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. Connecticut's Republican party will send a total of 28 Delegate Votes...

Sources

Sources and verification links

Questions

Common questions

What type of primary does Connecticut use?

Connecticut is listed with the following primary type classification: Closed, Partially Closed.

Can unaffiliated voters vote in Connecticut primaries?

Why does Connecticut show more than one primary type?

Connecticut can list different classifications for presidential, state, congressional, Democratic, Republican, or nonpartisan contests. The page lists the model breakdown as: Closed: Democratic Presidential and Republican Presidential. Partially Closed: Democratic State and Republican State.

How many 2024 presidential delegates are listed for Connecticut?

The model lists 63 Democratic delegate votes and 28 Republican delegate votes for the 2024 presidential cycle.

Are Connecticut delegate totals current?

The delegate totals shown for Connecticut are historical 2024 presidential cycle data where listed. Confirm current-cycle delegate plans with official party materials or state election sources.

Where can I verify Connecticut primary rules?

Use state election materials, party materials, and selected reference links where available. This page links to portal.ct.gov - Voter Fact Sheet and www.ncsl.org - Primary Types.