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Voter file data: L2 Data · Registration counts: Ohio Secretary of State · Updated May 19, 2026

Ohio Voter Registration

& Party Affiliation Statistics

Total Registered
7,580,955
Most Active Primary Party
Independent/Other (37.7%)
Independent / NPP
37.7%
Primary Type
State:Open Primary
Pres:Semi-Open Primary
OverviewRegistrationPrimary RulesTurnout
At a Glance

Ohio at a Glance

Key voter registration statistics · Updated 2026

Registered Voters
7,580,955
across 88 counties
Independent / NPP
37.7%
of registered voters
2024 Turnout
65.4%
of eligible voters
Primary Participation

Primary Ballot Participation by Party

Ohio does not register voters by party. The breakdown below is modeled from recent primary ballot history.

31.12%
31.18%
37.7%
Democratic31.12%
Republican31.18%
Independent/Other37.7%
PartyRegistered Voters% of Total
Democratic
2,359,23831.12%
Republican
2,363,77631.18%
Independent/Other
2,857,94137.7%

Note: Ohio does not collect party affiliation at voter registration. These figures are modeled from L2 voter-file analysis of which primary ballot each voter pulled in recent cycles — they reflect primary participation, not party registration.

Primary Rules

How Ohio's Primary Works

Ohio uses different primary rules for state/congressional and presidential elections

State / Congressional

⚖
Open Primary
Any registered voter can vote in any party's primary, regardless of their own party affiliation or registration status.
How It Works
On election day, voters choose which party's ballot they want. They don't need to be registered with that party. In most open primary states, this choice is made privately at the polling place.
IVP's Position
Better than closed primaries, but still forces voters to pick a party's ballot rather than voting for the best candidate regardless of party.
See all primary systems by state →

Presidential

⚖
Semi-Open Primary
Voters don't have to publicly declare a party affiliation, but they must request a specific party's ballot at the polling place.
How It Works
Similar to open primaries, but the party whose ballot you request may be recorded. Some states allow parties to restrict their primaries to registered members, creating a hybrid system.
IVP's Position
Marginally better access for independents, but the party-based structure remains the core limitation.
See all primary systems by state →
Turnout

Voter Turnout in Ohio

How many eligible Ohio residents actually vote?

Recent Elections
ElectionTurnoutVoted
2024 General65.4%5,851,387
2022 General47.1%4,201,368
2020 General67.1%5,974,121
2024 Presidential Primary21.6%1,641,346
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