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Ohio County Map
Map and List of All Counties in Ohio
Map of All Counties in Ohio
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List of All Counties in Ohio
Map Key
Name
Population
Adams County
27,698
Allen County
102,351
Ashland County
53,484
Ashtabula County
97,241
Athens County
65,327
Auglaize County
45,656
Belmont County
67,006
Brown County
43,432
Butler County
383,134
Carroll County
26,914
Champaign County
38,885
Clark County
134,083
Clermont County
206,428
Clinton County
41,968
Columbiana County
101,883
Coshocton County
36,600
Crawford County
41,494
Cuyahoga County
1,235,072
Darke County
51,113
Defiance County
38,087
Delaware County
209,177
Erie County
74,266
Fairfield County
157,574
Fayette County
28,525
Franklin County
1,316,756
Fulton County
42,126
Gallia County
29,898
Geauga County
93,649
Greene County
168,937
Guernsey County
38,875
Hamilton County
817,473
Hancock County
75,783
Hardin County
31,365
Harrison County
15,040
Henry County
27,006
Highland County
43,161
Hocking County
28,264
Holmes County
43,960
Huron County
58,266
Jackson County
32,413
Jefferson County
65,325
Knox County
62,322
Lake County
230,149
Lawrence County
59,463
Licking County
176,862
Logan County
45,672
Lorain County
309,833
Lucas County
428,348
Madison County
44,731
Mahoning County
228,683
Marion County
65,093
Medina County
179,746
Meigs County
22,907
Mercer County
41,172
Miami County
106,987
Monroe County
13,654
Montgomery County
531,687
Morgan County
14,508
Morrow County
35,328
Muskingum County
86,215
Noble County
14,424
Ottawa County
40,525
Paulding County
18,672
Perry County
36,134
Pickaway County
58,457
Pike County
27,772
Portage County
162,466
Preble County
40,882
Putnam County
33,861
Richland County
121,154
Ross County
76,666
Sandusky County
58,518
Scioto County
75,314
Seneca County
55,178
Shelby County
48,590
Stark County
370,606
Summit County
541,013
Trumbull County
197,974
Tuscarawas County
91,987
Union County
58,988
Van Wert County
28,275
Vinton County
13,085
Warren County
234,602
Washington County
59,911
Wayne County
115,710
Williams County
36,692
Wood County
130,817
Wyandot County
21,772