Thank you for being a Citizen-Only Voting state!
State Constitution
Article V, Section 1 of the Ohio Constitution states: “Only a citizen of the United States, of the age of eighteen years, who has been a resident of the state, county, township, or ward, such time as may be provided by law, and has been registered to vote for thirty days, has the qualifications of an elector, and is entitled to vote at all elections. No person who lacks those qualifications shall be permitted to vote at any state or local election held in this state.”
Read more here