| County |
|---|
| Adams County |
| Allen County |
| Ashland County |
| Ashtabula County |
| Athens County |
| Auglaize County |
| Belmont County |
| Brown County |
| Butler County |
| Carroll County |
| Champaign County |
| Clark County |
| Clermont County |
| Clinton County |
| Columbiana County |
| Coshocton County |
| Crawford County |
| Cuyahoga County |
| Darke County |
| Defiance County |
| Delaware County |
| Erie County |
| Fairfield County |
| Fayette County |
| Franklin County |
| Fulton County |
| Gallia County |
| Geauga County |
| Greene County |
| Guernsey County |
| Hamilton County |
| Hancock County |
| Hardin County |
| Harrison County |
| Henry County |
| Highland County |
| Hocking County |
| Holmes County |
| Huron County |
| Jackson County |
| Jefferson County |
| Knox County |
| Lake County |
| Lawrence County |
| Licking County |
| Logan County |
| Lorain County |
| Lucas County |
| Madison County |
| Mahoning County |
| Marion County |
| Medina County |
| Meigs County |
| Mercer County |
| Miami County |
| Monroe County |
| Montgomery County |
| Morgan County |
| Morrow County |
| Muskingum County |
| Noble County |
| Ottawa County |
| Paulding County |
| Perry County |
| Pickaway County |
| Pike County |
| Portage County |
| Preble County |
| Putnam County |
| Richland County |
| Ross County |
| Sandusky County |
| Scioto County |
| Seneca County |
| Shelby County |
| Stark County |
| Summit County |
| Trumbull County |
| Tuscarawas County |
| Union County |
| Van Wert County |
| Vinton County |
| Warren County |
| Washington County |
| Wayne County |
| Williams County |
| Wood County |
| Wyandot County |