For United States senators, see List of United States senators from Ohio.
Ohio's 10th senatorial district
StateOhio
District10
ChamberSenate
RepresentativeKyle Koehler
PartyRepublican
ResidenceSpringfield
Percent white82
Percent black9.3
Percent hispanic3.3
Percent asian2.8
Percent native american2.3
Percent pacific islander0.2
Population (2020)345,985[1]
Voting age270,968
Citizen voting age265,225

Ohio's 10th senatorial district has been based in south-central Ohio. It comprises the counties of Clark, Greene and Madison. It encompasses Ohio House districts 73, 74 and 79. It has a Cook PVI of R+15. Its current Ohio Senator is Republican Kyle Koehler.

List of senators

SenatorPartyTermNotes
Max DennisRepublicanJanuary 8, 1963 – December 31, 1976Dennis did not seek re-election in 1976.
John MahoneyDemocratJanuary 3, 1977 – December 31, 1980Mahoney lost re-election in 1980 to Mike DeWine.
Mike DeWineRepublicanJanuary 3, 1981 – December 13, 1982DeWine won election to the United States Congress in 1982.
Dave HobsonRepublicanDecember 13, 1982 – January 3, 1991Hobson won election to the United States Congress in 1990.
Merle G. KearnsRepublicanJanuary 3, 1991 – December 31, 2000Kearns was term-limited in 2000.
Steve AustriaRepublicanJanuary 3, 2001 – December 31, 2008Austria was term-limited in 2008.
Chris WidenerRepublicanJanuary 6, 2009 – January 21, 2016Widener resigned to work in the private sector.
Bob HackettRepublicanFebruary 23, 2016 – December 31, 2024Hackett was term-limited in 2024
Kyle KoehlerRepublicanJanuary 1, 2025 – presentIncumbent

References

  1. ^ "OH 2024 State Senate". Dave's Redistricting. Retrieved June 21, 2025.