Primary Rules

Indiana primary election and delegate rules

See Indiana 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 Indiana primaries?

Primary access

Indiana is listed with a partially open or partially closed primary classification. Eligibility can depend on party registration, unaffiliated status, and the office on the ballot.

Party and office differences

Partially Open: Democratic State, Democratic Presidential, Republican Presidential, 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

Indiana primary type breakdown

Affiliation with a party is not required to vote in primaries. Indiana is a “partially open” primary state, meaning that voters do not officially declare a party affiliation on their voter registration forms and formal party affiliation is not required to vote in the primaries.

Partially Open: Democratic State, Democratic Presidential, Republican Presidential, and Republican State

Delegates

Historical 2024 delegate allocation

2024 Democratic Delegates

76 delegate votes

Allocation: Proportional
Threshold: 15% minimum vote required

Indiana has a total of 76 delegates and 6 alternates. 67 of 76 delegates to the Democratic National Convention are allocated to presidential contenders based on the results of the voting in Indiana Presidential Primary. A mandatory 15 percent threshold is...

2024 Republican Delegates

58 delegate votes

Allocation: Winner-Take-All
Threshold: Not specified

All 58 of Indiana's delegates (Winner-Take-All) to the Republican National Convention are allocated to presidential contenders in Indiana Presidential Primary.

Sources

Sources and verification links

Questions

Common questions

What type of primary does Indiana use?

Indiana is listed with the following primary type classification: Partially Open.

Can unaffiliated voters vote in Indiana primaries?

Indiana is listed with a partially open or partially closed primary classification. Eligibility can depend on party registration, unaffiliated status, and the office on the ballot.

How many 2024 presidential delegates are listed for Indiana?

The model lists 76 Democratic delegate votes and 58 Republican delegate votes for the 2024 presidential cycle.

Are Indiana delegate totals current?

The delegate totals shown for Indiana 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 Indiana primary rules?

Use state election materials, party materials, and selected reference links where available. This page links to www.in.gov - Candidate Guide and www.ncsl.org - Primary Types.