OH · State rules

Ohio

Primary system

Partially open

Who can vote in a party primary

Any voter may pick a party ballot; the choice is recorded or treated as affiliation

Party-switch deadline

N/A — ballot choice made at the polls

Note: Crossover voting possible each cycle; ballot choice may be public record.

This cycle's dates

Next primary

Tuesday, May 5, 2026

Party-switch deadline

No deadline — no party registration required

Registration deadline

Check official site

Computed from the standing rule + NCSL's 2026 primary calendar (fetched 2026-07-27). Not yet checked against the official state source for weekend/holiday rollover or this cycle's final confirmation — verify before relying on it.

Verification pending Last checked: 2026-07-27

Official state election site → What does this mean for me? →

Draft sourced from NCSL. View source.