|
Population
|
County
|
|
1,326,063
|
Franklin
|
|
1,233,088
|
Cuyahoga
|
|
827,058
|
Hamilton
|
|
535,733
|
Summit
|
|
533,796
|
Montgomery
|
|
425,484
|
Lucas
|
|
393,043
|
Butler
|
|
372,716
|
Stark
|
|
317,910
|
Lorain
|
|
252,148
|
Warren
|
|
231,640
|
Lake
|
|
231,636
|
Delaware
|
|
225,596
|
Mahoning
|
|
211,972
|
Clermont
|
|
200,373
|
Trumbull
|
|
184,042
|
Medina
|
|
183,201
|
Licking
|
|
169,691
|
Greene
|
|
165,360
|
Fairfield
|
|
162,665
|
Portage
|
|
134,610
|
Clark
|
|
132,650
|
Wood
|
|
125,064
|
Richland
|
|
116,510
|
Wayne
|
|
110,876
|
Miami
|
|
100,838
|
Allen
|
|
100,182
|
Columbiana
|
|
96,845
|
Ashtabula
|
|
95,407
|
Geauga
|
|
91,874
|
Tuscarawas
|
|
|
Population
|
County
|
|
86,305
|
Muskingum
|
|
76,501
|
Ross
|
|
74,704
|
Hancock
|
|
74,035
|
Erie
|
|
71,969
|
Scioto
|
|
69,637
|
Union
|
|
64,918
|
Belmont
|
|
64,851
|
Marion
|
|
64,026
|
Jefferson
|
|
63,320
|
Knox
|
|
62,706
|
Athens
|
|
61,086
|
Pickaway
|
|
58,709
|
Sandusky
|
|
58,577
|
Washington
|
|
58,199
|
Huron
|
|
56,118
|
Lawrence
|
|
54,527
|
Seneca
|
|
52,190
|
Ashland
|
|
51,415
|
Darke
|
|
47,765
|
Shelby
|
|
46,057
|
Logan
|
|
46,050
|
Auglaize
|
|
44,602
|
Madison
|
|
44,386
|
Holmes
|
|
43,777
|
Brown
|
|
43,614
|
Highland
|
|
42,439
|
Mercer
|
|
42,007
|
Fulton
|
|
41,938
|
Clinton
|
|
|
Population
|
County
|
|
41,529
|
Crawford
|
|
40,556
|
Preble
|
|
39,803
|
Ottawa
|
|
38,845
|
Champaign
|
|
38,315
|
Defiance
|
|
38,089
|
Guernsey
|
|
36,869
|
Coshocton
|
|
36,591
|
Williams
|
|
35,595
|
Morrow
|
|
35,551
|
Perry
|
|
34,199
|
Putnam
|
|
32,606
|
Jackson
|
|
30,368
|
Hardin
|
|
28,986
|
Gallia
|
|
28,817
|
Fayette
|
|
28,704
|
Van Wert
|
|
27,540
|
Hocking
|
|
27,521
|
Adams
|
|
27,520
|
Henry
|
|
27,001
|
Pike
|
|
26,758
|
Carroll
|
|
21,767
|
Meigs
|
|
21,457
|
Wyandot
|
|
18,706
|
Paulding
|
|
14,311
|
Noble
|
|
14,159
|
Harrison
|
|
13,646
|
Morgan
|
|
13,153
|
Monroe
|
|
12,474
|
Vinton
|
|