The Ohio Senate is the upper house of the Ohio General Assembly, the lower house being the Ohio House of Representatives. The State Senate, which meets in the Ohio Statehouse in Columbus, first convened in 1803. Senators are elected for four year terms, staggered every two years such that half of the seats are contested at each election.Article II, section 2, Ohio Constitution. Even numbered seats and odd numbered seats are contested in separate election years. The president of the Ohio Senate presides over the body when in session, and is currently Rob McColley.
Currently, the Senate consists of 24 Republicans and 9 Democrats, with the Republicans controlling two more seats than the 22 required for a supermajority vote. Senators are limited to two consecutive terms. Each senator represents approximately 349,000 Ohioans, and each Senate district encompasses three corresponding Ohio House of Representatives districts.
Composition 135th General Assembly (2022-2023) Party(Shading indicates majority caucus)TotalVacantDemocraticRepublicanEnd of previous Assembly726330Begin 2025 Session924330Latest voting share
Leadership
Presiding President of the Senate Rob McColley President Pro Tempore Bill Reineke Majority Leadership Majority Floor Leader Theresa Gavarone Majority Whip George Lang Minority Leadership Minority Leader Nickie Antonio Assistant Minority Leader Hearcel Craig Minority Whip Kent Smith Assistant Minority Whip Beth Liston
Other officers
Clerk: According to the Rules of the Senate, the clerk is elected by the members of the Senate and is tasked with maintaining records of all Senate bills and resolutions. The clerk is also responsible for handling all documents received from other government departments.
Members of the 136th Senate
DistrictNamePartyResidenceCountiesTerm LimitedStart1RepublicanNapoleonDefiance, Fulton, Hancock, Hardin, Henry, Logan, Paulding, Putnam, Van Wert, Williams202620172RepublicanBowling GreenErie, Huron, Lucas, Ottawa, Wood202820193RepublicanCanal WinchesterFranklin, Madison, Pickaway203020224RepublicanWest ChesterButler202820205RepublicanTipp CityButler, Darke, Miami, Montgomery, Preble202620186DemocraticDaytonMontgomery203220247RepublicanMainevilleHamilton, Warren202620178RepublicanColerain TownshipHamilton202820199DemocraticCincinnatiHamilton2030202210Republican SpringfieldClark, Clinton, Greene20322024 11DemocraticToledoLucas2030202212RepublicanWaynesfieldAllen, Auglaize, Champaign, Darke, Logan, Mercer, Shelby2032202413VacantRepublicanHuron, Lorain14RepublicanMcDermottAdams, Brown, Clermont, Scioto2028201915DemocraticColumbusFranklin2026201816DemocraticDublinFranklin2032202417RepublicanJasper TownshipFayette, Gallia, Highland, Hocking, Jackson, Lawrence, Perry, Pike, Ross, Vinton2030202218RepublicanKirtlandCuyahoga, Lake2028202019RepublicanPowellCoshocton, Delaware, Holmes, Knox2026201820RepublicanLancasterFairfield, Licking, Perry2028201921DemocraticClevelandCuyahoga2030202222RepublicanOntarioAshland, Medina, Richland2028202023DemocraticLakewoodCuyahoga2026201824RepublicanStrongsvilleCuyahoga2032202425DemocraticColumbusFranklin2030202226RepublicanEden TownshipCrawford, Marion, Morrow, Sandusky, Seneca, Union, Wyandot2028202027RepublicanHudsonGeauga, Portage, Summit2026201828DemocraticHudsonSummit2032202429RepublicanCantonStark2034202530RepublicanMariettaAthens, Belmont, Guernsey, Harrison, Jefferson, Meigs, Monroe, Morgan, Noble, Washington2032202331RepublicanDoverGuernsey, Muskingum, Stark, Tuscarawas, Wayne2030202232RepublicanLenox TownshipAshtabula, Geauga, Trumbull2028202033RepublicanCanfieldCarroll, Columbiana, Mahoning20342024
Past composition of the Senate
References
External links Ohio Senate official website Project Vote Smart – State Senate of Ohio Map of Ohio Senate Districts, 2012-2022 2012 Election Results from Ohio Secretary of State 2010 Election Results from Ohio Secretary of State 2008 Election Results from Ohio Secretary of State 2006 Election Results from Ohio Secretary of State