Primary Rules

Michigan primary election and delegate rules

See Michigan 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 Michigan primaries?

Primary access

Michigan lists multiple primary classifications: Closed: Democratic Presidential and Republican Presidential. Open: 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. Open: 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

Michigan primary type breakdown

In Michigan State primaries are open primaries. Voters will not be asked to select a party before voting in the August primary. Voters are issued ballots containing all political parties and their candidates, and given the option to select one of the parties in the privacy of the voting station. However, the Presidential primary is a closed primary.

Closed: Democratic Presidential and Republican Presidential
Open: Democratic State and Republican State

Delegates

Historical 2024 delegate allocation

2024 Democratic Delegates

140 delegate votes

Allocation: Proportional
Threshold: 15% minimum vote required

Michigan Democratic Party will send a total of 140 Delegate Votes and 10 Alternate Delegates to the 2024 Democratic National Convention. 117 of the 140 delegates are pledeged and the remaining 23 are unpledged. The party will use a proportional representation...

2024 Republican Delegates

55 delegate votes

Allocation: Winner-Take-Most
Threshold: 12.5% minimum

The state Convention is anticipated to use the results of the Presidential Preference Primary to bind 16 statewide delegates. 16 (10 at-large + 3 bonus + 3 RNC automatic) of Michigan's 55 delegates to the Republican National Convention are bound by the...

Sources

Sources and verification links

Questions

Common questions

What type of primary does Michigan use?

Michigan is listed with the following primary type classification: Closed, Open.

Can unaffiliated voters vote in Michigan primaries?

Why does Michigan show more than one primary type?

Michigan 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. Open: Democratic State and Republican State.

How many 2024 presidential delegates are listed for Michigan?

The model lists 140 Democratic delegate votes and 55 Republican delegate votes for the 2024 presidential cycle.

Are Michigan delegate totals current?

The delegate totals shown for Michigan 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 Michigan primary rules?

Use state election materials, party materials, and selected reference links where available. This page links to www.michigan.gov - MI Primaries and www.ncsl.org - Primary Types.