Ohio library
Ohio Counties
88 counties, each with its judicial district and prosecuting office.
- Franklin County, Ohiopop. 1,323,807
- Cuyahoga County, Ohiopop. 1,264,817
- Hamilton County, Ohiopop. 830,639
- Summit County, Ohiopop. 540,428
- Montgomery County, Ohiopop. 537,309
- Lucas County, Ohiopop. 431,279
- Butler County, Ohiopop. 390,357
- Stark County, Ohiopop. 374,853
- Lorain County, Ohiopop. 312,964
- Warren County, Ohiopop. 242,337
- Lake County, Ohiopop. 232,603
- Mahoning County, Ohiopop. 228,614
- Delaware County, Ohiopop. 214,124
- Clermont County, Ohiopop. 208,601
- Trumbull County, Ohiopop. 201,977
- Medina County, Ohiopop. 182,470
- Licking County, Ohiopop. 178,519
- Greene County, Ohiopop. 167,966
- Portage County, Ohiopop. 161,791
- Fairfield County, Ohiopop. 158,921
- Clark County, Ohiopop. 136,001
- Wood County, Ohiopop. 132,248
- Richland County, Ohiopop. 124,936
- Wayne County, Ohiopop. 116,894
- Miami County, Ohiopop. 108,774
- Allen County, Ohiopop. 102,206
- Columbiana County, Ohiopop. 101,877
- Ashtabula County, Ohiopop. 97,574
- Geauga County, Ohiopop. 95,397
- Tuscarawas County, Ohiopop. 93,263
- Muskingum County, Ohiopop. 86,410
- Ross County, Ohiopop. 77,093
- Erie County, Ohiopop. 75,622
- Hancock County, Ohiopop. 74,920
- Scioto County, Ohiopop. 74,008
- Belmont County, Ohiopop. 66,497
- Marion County, Ohiopop. 65,359
- Jefferson County, Ohiopop. 65,249
- Union County, Ohiopop. 62,784
- Knox County, Ohiopop. 62,721
- Athens County, Ohiopop. 62,431
- Washington County, Ohiopop. 59,771
- Sandusky County, Ohiopop. 58,896
- Huron County, Ohiopop. 58,565
- Pickaway County, Ohiopop. 58,539
- Lawrence County, Ohiopop. 58,240
- Seneca County, Ohiopop. 55,069
- Ashland County, Ohiopop. 52,447
- Darke County, Ohiopop. 51,881
- Shelby County, Ohiopop. 48,230
- Auglaize County, Ohiopop. 46,422
- Logan County, Ohiopop. 46,150
- Holmes County, Ohiopop. 44,223
- Madison County, Ohiopop. 43,824
- Brown County, Ohiopop. 43,676
- Highland County, Ohiopop. 43,317
- Fulton County, Ohiopop. 42,713
- Mercer County, Ohiopop. 42,528
- Crawford County, Ohiopop. 42,025
- Clinton County, Ohiopop. 42,018
- Preble County, Ohiopop. 40,999
- Ottawa County, Ohiopop. 40,364
- Champaign County, Ohiopop. 38,714
- Guernsey County, Ohiopop. 38,438
- Defiance County, Ohiopop. 38,286
- Williams County, Ohiopop. 37,102
- Coshocton County, Ohiopop. 36,612
- Perry County, Ohiopop. 35,408
- Morrow County, Ohiopop. 34,950
- Putnam County, Ohiopop. 34,451
- Jackson County, Ohiopop. 32,653
- Hardin County, Ohiopop. 30,696
- Gallia County, Ohiopop. 29,220
- Fayette County, Ohiopop. 28,951
- Van Wert County, Ohiopop. 28,931
- Hocking County, Ohiopop. 28,050
- Henry County, Ohiopop. 27,662
- Adams County, Ohiopop. 27,477
- Pike County, Ohiopop. 27,088
- Carroll County, Ohiopop. 26,721
- Meigs County, Ohiopop. 22,210
- Wyandot County, Ohiopop. 21,900
- Paulding County, Ohiopop. 18,806
- Harrison County, Ohiopop. 14,483
- Noble County, Ohiopop. 14,115
- Morgan County, Ohiopop. 13,802
- Monroe County, Ohiopop. 13,385
- Vinton County, Ohiopop. 12,800