|
A list of counties in Ohio and
related data including year formed, square miles of area, population,
and population density. |
County |
Formed |
Sq. Miles |
Pop* |
Maps |
Adams |
|
|
27,330 |
|
Allen |
|
|
108,473 |
|
Ashland |
|
|
52,523 |
|
Ashtabula |
|
|
|
|
Athens |
|
|
|
|
Auglaize |
|
|
|
|
Belmont |
|
|
|
|
Brown |
|
|
|
|
Butler |
|
|
|
|
Carroll |
|
|
|
|
Champaign |
|
|
|
|
Clark |
|
|
|
|
Clermont |
|
|
|
|
Clinton |
|
|
|
|
Columbiana |
|
|
|
|
Coshocton |
|
|
|
|
Crawford |
|
|
|
|
Cuyahoga |
|
|
|
|
Darke |
|
|
|
|
Defiance |
|
|
|
|
Delaware |
|
|
|
|
Erie |
|
|
|
|
Fairfield |
|
|
|
|
Fayette |
|
|
|
|
Franklin |
|
|
|
|
Fulton |
|
|
|
|
Gallia |
|
|
|
|
Geauga |
|
|
|
|
Greene |
|
|
|
|
Guernsey |
|
|
|
|
Hamilton |
|
|
|
|
Hancock |
|
|
|
|
Hardin |
|
|
|
|
Harrison |
|
|
|
|
Henry |
|
|
|
|
Highland |
|
|
|
|
Hocking |
|
|
|
|
Holmes |
|
|
|
|
Huron |
|
|
|
|
Jackson |
|
|
|
|
Jefferson |
|
|
|
|
Knox |
|
|
|
|
Lake |
|
|
|
|
Lawrence |
|
|
|
|
Licking |
|
|
|
|
Logan |
|
|
|
|
Lorain |
|
|
|
|
Lucas |
|
|
|
|
Madison |
|
|
|
|
Mahoning |
|
|
|
|
Marion |
|
|
|
|
Medina |
|
|
|
|
Meigs |
|
|
|
|
Mercer |
|
|
|
|
Miami |
|
|
|
|
Monroe |
|
|
|
|
Montgomery |
|
|
|
|
Morgan |
|
|
|
|
Morrow |
|
|
|
|
Muskingum |
|
|
|
|
Noble |
|
|
|
|
Ottawa |
|
|
|
|
Paulding |
|
|
|
|
Perry |
|
|
|
|
Pickaway |
|
|
|
|
Pike |
|
|
|
|
Portage |
|
|
|
|
Preble |
|
|
|
|
Putnam |
|
|
|
|
Richland |
|
|
|
|
Ross |
|
|
|
|
Sandusky |
|
|
|
|
Scioto |
|
|
|
|
Seneca |
|
|
|
|
Shelby |
|
|
|
|
Stark |
|
|
|
|
Summit |
|
|
|
|
Trumbull |
|
|
|
|
Tuscarawas |
|
|
|
|
Union |
|
|
|
|
Van Wert |
|
|
|
|
Vinton |
|
|
|
|
Warren |
|
|
|
|
Washington |
|
|
|
|
Wayne |
|
|
|
|
Williams |
|
|
|
|
Wood |
|
|
|
|
Wyandot |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total |
|
|
|
|
|
|
|
|
Related Links & Resources:
● Tennessee State Parks
●
Ohio
National Parks
●
●
●
●
|
|
|
|
|
|