County Seats For Ohio's 88 Counties
- Adams County - (West Union)
- Allen County - (Lima)
- Ashland County - (Ashland)
- Ashtabula County - (Jefferson)
- Athens County - (Jefferson)
- Auglaize County - (Wapakoneta)
- Belmont County - (St. Clairsville)
- Brown County - (Georgetown)
- Butler County - (Hamilton)
- Carroll County - (Carrollton)
- Champaign County - (Urbana)
- Clark County - (Springfield)
- Clermont County - (Batavia)
- Clinton County - (Wilmington)
- Columbiana County - (Lisbon)
- Coshocton County - (Coshocton)
- Crawford County - (Bucyrus)
- Cuyahoga County - (Cleveland)
- Darke County - (Greenville)
- Defiance County - (Defiance)
- Delaware County - (Delaware)
- Erie County - (Sandusky)
- Fairfield County - (Lancaster)
- Fayette County - (Washington Courthouse)
- Franklin County - (Columbus)
- Fulton County - (Wauseon)
- Gallia County - (Gallipolis)
- Geauga County - (Chardon)
- Greene County - (Xenia)
- Guernsey County - (Cambridge)
- Hamilton County - (Cincinnati)
- Hancock County - (Findlay)
- Hardin County - (Kenton)
- Harrison County - (Cadiz)
- Henry County - (Napoleon)
- Highland County - (Hillsboro)
- Hocking County - (Logan)
- Holmes County - (Millersburg)
- Huron County - (Norwalk)
- Jackson County - (Jackson)
- Jefferson County - (Steubenville)
- Knox County - (Mt. Vernon)
- Lake County - (Painsville)
- Lawrence County - (Ironton)
- Licking County - (Newark)
- Logan County - (Bellefontaine)
- Lorain County - (Elyria)
- Lucas County - (Toledo)
- Madison County - (London)
- Mahoning County - (Youngstown)
- Marion County - (Marion)
- Medina County - (Medina)
- Meigs County - (Pomeroy)
- Mercer County - (Celina)
- Miami County - (Troy)
- Monroe County - (Woodsfield)
- Montgomery County - (Dayton)
- Morgan County - (McConnelsville)
- Morrow County - (Mt. Gilead)
- Muskingum County - (Zanesville)
- Noble County - (Caldwell)
- Ottawa County - (Port Clinton)
- Paulding County - (Paulding)
- Perry County - (New Lexington)
- Pickaway County - (Circleville)
- Pike County - (Waverly)
- Portage County - (Ravenna)
- Preble County - (Eaton)
- Putnam county - (Ottawa)
- Richland County - (Mansfield)
- Ross County - (Chillicothe)
- Sandusky County - (Fremont)
- Scioto County - (Portsmouth)
- Seneca County - (Tiffin)
- Shelby County - (Sidney)
- Stark County - (Canton)
- Summit County - (Akron)
- Trumbull County - (Warren)
- Tuscarawas County - (New Philadelphia)
- Union County - (Marysville)
- Van Wert County - (Van Wert)
- Vinton County - (McArthur)
- Warren County - (Lebanon)
- Washington County - (Marietta)
- Wayne County - (Wooster)
- Williams County - (Bryan)
- Wood County - (Bowling Green)
- Wyandot County - (Upper Sandusky)