Ohio / Counties by Population

Ohio Counties by Population

Below are the 88 Ohio counties sorted by population from 1 to 88 . The population data are from the 2020 American Community Survey. You can copy and paste this list directly into your favorite spreadsheet program. Don't you just adore lovely numbers listed nicely in columns & rows? We do!

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Rank County Population
1 Franklin County 1,304,715
2 Cuyahoga County 1,241,475
3 Hamilton County 815,790
4 Summit County 540,810
5 Montgomery County 531,988
6 Lucas County 430,319
7 Butler County 382,129
8 Stark County 371,516
9 Lorain County 309,134
10 Warren County 232,540
11 Lake County 229,755
12 Mahoning County 228,452
13 Clermont County 205,616
14 Delaware County 205,454
15 Trumbull County 199,144
16 Medina County 179,116
17 Licking County 175,409
18 Greene County 167,867
19 Portage County 162,476
20 Fairfield County 156,204
21 Clark County 134,409
22 Wood County 130,662
23 Richland County 121,043
24 Wayne County 116,063
25 Miami County 106,074
26 Allen County 102,808
27 Columbiana County 102,514
28 Ashtabula County 97,416
29 Geauga County 93,657
30 Tuscarawas County 92,165
31 Muskingum County 86,033
32 Ross County 76,816
33 Hancock County 75,765
34 Scioto County 75,441
35 Erie County 74,419
36 Belmont County 67,424
37 Athens County 65,945
38 Jefferson County 65,943
39 Marion County 65,179
40 Knox County 61,776
41 Washington County 60,217
42 Lawrence County 59,901
43 Sandusky County 58,801
44 Huron County 58,271
45 Pickaway County 58,112
46 Union County 57,871
47 Seneca County 55,251
48 Ashland County 53,533
49 Darke County 51,387
50 Shelby County 48,610
51 Auglaize County 45,709
52 Logan County 45,315
53 Madison County 44,248
54 Holmes County 43,954
55 Brown County 43,508
56 Highland County 43,080
57 Fulton County 42,186
58 Clinton County 42,000
59 Crawford County 41,603
60 Mercer County 41,034
61 Preble County 40,995
62 Ottawa County 40,557
63 Guernsey County 38,996
64 Champaign County 38,861
65 Defiance County 38,024
66 Williams County 36,760
67 Coshocton County 36,558
68 Perry County 36,076
69 Morrow County 35,148
70 Putnam County 33,836
71 Jackson County 32,440
72 Hardin County 31,393
73 Gallia County 29,995
74 Fayette County 28,609
75 Hocking County 28,306
76 Van Wert County 28,213
77 Pike County 27,914
78 Adams County 27,685
79 Carroll County 27,195
80 Henry County 27,068
81 Meigs County 22,974
82 Wyandot County 21,907
83 Paulding County 18,742
84 Harrison County 15,132
85 Morgan County 14,557
86 Noble County 14,410
87 Monroe County 13,827
88 Vinton County 13,045

United States Census Bureau. B01001 SEX BY AGE, 2020 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 17 March 2022. http://www.census.gov/.

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