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Map and List of All Counties in Ohio

Map of All Counties in Ohio

List of All Counties in Ohio

Map KeyNamePopulation
Adams County27,477
Allen County102,206
Ashland County52,447
Ashtabula County97,574
Athens County62,431
Auglaize County46,422
Belmont County66,497
Brown County43,676
Butler County390,357
Carroll County26,721
Champaign County38,714
Clark County136,001
Clermont County208,601
Clinton County42,018
Columbiana County101,877
Coshocton County36,612
Crawford County42,025
Cuyahoga County1,264,817
Darke County51,881
Defiance County38,286
Delaware County214,124
Erie County75,622
Fairfield County158,921
Fayette County28,951
Franklin County1,323,807
Fulton County42,713
Gallia County29,220
Geauga County95,397
Greene County167,966
Guernsey County38,438
Hamilton County830,639
Hancock County74,920
Hardin County30,696
Harrison County14,483
Henry County27,662
Highland County43,317
Hocking County28,050
Holmes County44,223
Huron County58,565
Jackson County32,653
Jefferson County65,249
Knox County62,721
Lake County232,603
Lawrence County58,240
Licking County178,519
Logan County46,150
Lorain County312,964
Lucas County431,279
Madison County43,824
Mahoning County228,614
Marion County65,359
Medina County182,470
Meigs County22,210
Mercer County42,528
Miami County108,774
Monroe County13,385
Montgomery County537,309
Morgan County13,802
Morrow County34,950
Muskingum County86,410
Noble County14,115
Ottawa County40,364
Paulding County18,806
Perry County35,408
Pickaway County58,539
Pike County27,088
Portage County161,791
Preble County40,999
Putnam County34,451
Richland County124,936
Ross County77,093
Sandusky County58,896
Scioto County74,008
Seneca County55,069
Shelby County48,230
Stark County374,853
Summit County540,428
Trumbull County201,977
Tuscarawas County93,263
Union County62,784
Van Wert County28,931
Vinton County12,800
Warren County242,337
Washington County59,771
Wayne County116,894
Williams County37,102
Wood County132,248
Wyandot County21,900

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