Counties in Ohio
OH · 88 counties
Find Your Ohio County
Ohio County Map
All 88 counties in Ohio. Hover to identify.
All 88 Counties
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
About Ohio Counties
Ohio is divided into 88 counties. Each county has its own government, court system, and administrative offices. Use the ZIP code lookup above to find which county any address in Ohio belongs to.
Frequently Asked Questions
How many counties does Ohio have?
Ohio has 88 counties.
How do I find my county in Ohio?
Enter your ZIP code in the search box above to instantly find which Ohio county you're in.
What is the largest county in Ohio?
Use our county lookup tool to explore all 88 counties in Ohio and find detailed information about each one.