Ohio Counties

There are a total of 88 Counties in Ohio. The most populous County is Cuyahoga County with 1278024 residents. The least populous County is Vinton County with 13397 residents.

Map List Related

Map of All Counties in Ohio

List of All Counties in Ohio

Map KeyNamePopulation
Adams County28,524
Allen County106,079
Ashland County53,203
Ashtabula County101,262
Athens County64,592
Auglaize County45,934
Belmont County70,182
Brown County44,666
Butler County368,029
Carroll County28,828
Champaign County39,982
Clark County138,278
Clermont County197,543
Clinton County42,161
Columbiana County107,598
Coshocton County36,880
Crawford County43,623
Cuyahoga County1,278,024
Darke County52,776
Defiance County38,975
Delaware County174,454
Erie County76,952
Fairfield County146,138
Fayette County28,931
Franklin County1,167,484
Fulton County42,635
Gallia County30,877
Geauga County93,485
Greene County161,936
Guernsey County40,056
Hamilton County801,350
Hancock County75,043
Hardin County31,986
Harrison County15,818
Henry County28,246
Highland County43,454
Hocking County29,372
Holmes County42,501
Huron County59,628
Jackson County33,134
Jefferson County69,343
Knox County60,791
Lake County229,873
Lawrence County62,441
Licking County166,135
Logan County45,816
Lorain County301,108
Lucas County441,198
Madison County43,213
Mahoning County238,352
Marion County66,514
Medina County172,334
Meigs County23,664
Mercer County40,866
Miami County102,657
Monroe County14,679
Montgomery County535,626
Morgan County15,042
Morrow County34,895
Muskingum County85,996
Noble County14,643
Ottawa County41,445
Paulding County19,522
Perry County36,086
Pickaway County55,795
Pike County28,652
Portage County161,178
Preble County42,240
Putnam County34,445
Richland County124,286
Ross County77,741
Sandusky County60,842
Scioto County79,122
Seneca County56,630
Shelby County49,359
Stark County375,593
Summit County541,788
Trumbull County209,942
Tuscarawas County92,532
Union County52,153
Van Wert County28,808
Vinton County13,397
Warren County213,146
Washington County61,751
Wayne County114,644
Williams County37,779
Wood County126,254
Wyandot County22,626

Related Maps and Data:

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