Ohio / Counties by Population

Ohio Counties by Population

The data is from the US Census. Below are 88 Ohio counties ranked 1 through 88 . 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 1,316,756
2 Cuyahoga County 1,235,072
3 Hamilton County 817,473
4 Summit County 541,013
5 Montgomery County 531,687
6 Lucas County 428,348
7 Butler County 383,134
8 Stark County 370,606
9 Lorain County 309,833
10 Warren County 234,602
11 Lake County 230,149
12 Mahoning County 228,683
13 Delaware County 209,177
14 Clermont County 206,428
15 Trumbull County 197,974
16 Medina County 179,746
17 Licking County 176,862
18 Greene County 168,937
19 Portage County 162,466
20 Fairfield County 157,574
21 Clark County 134,083
22 Wood County 130,817
23 Richland County 121,154
24 Wayne County 115,710
25 Miami County 106,987
26 Allen County 102,351
27 Columbiana County 101,883
28 Ashtabula County 97,241
29 Geauga County 93,649
30 Tuscarawas County 91,987
31 Muskingum County 86,215
32 Ross County 76,666
33 Hancock County 75,783
34 Scioto County 75,314
35 Erie County 74,266
36 Belmont County 67,006
37 Athens County 65,327
38 Jefferson County 65,325
39 Marion County 65,093
40 Knox County 62,322
41 Washington County 59,911
42 Lawrence County 59,463
43 Union County 58,988
44 Sandusky County 58,518
45 Pickaway County 58,457
46 Huron County 58,266
47 Seneca County 55,178
48 Ashland County 53,484
49 Darke County 51,113
50 Shelby County 48,590
51 Logan County 45,672
52 Auglaize County 45,656
53 Madison County 44,731
54 Holmes County 43,960
55 Brown County 43,432
56 Highland County 43,161
57 Fulton County 42,126
58 Clinton County 41,968
59 Crawford County 41,494
60 Mercer County 41,172
61 Preble County 40,882
62 Ottawa County 40,525
63 Champaign County 38,885
64 Guernsey County 38,875
65 Defiance County 38,087
66 Williams County 36,692
67 Coshocton County 36,600
68 Perry County 36,134
69 Morrow County 35,328
70 Putnam County 33,861
71 Jackson County 32,413
72 Hardin County 31,365
73 Gallia County 29,898
74 Fayette County 28,525
75 Van Wert County 28,275
76 Hocking County 28,264
77 Pike County 27,772
78 Adams County 27,698
79 Henry County 27,006
80 Carroll County 26,914
81 Meigs County 22,907
82 Wyandot County 21,772
83 Paulding County 18,672
84 Harrison County 15,040
85 Morgan County 14,508
86 Noble County 14,424
87 Monroe County 13,654
88 Vinton County 13,085

United States Census Bureau. B01001 SEX BY AGE, 2018 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 19 December 2019. http://www.census.gov/.

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2019. U.S. Census Bureau, Population Division. Web. May 2020. http://www.census.gov/.

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