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 1,275,333
2 Cuyahoga County 1,253,783
3 Hamilton County 812,037
4 Summit County 541,810
5 Montgomery County 532,034
6 Lucas County 432,379
7 Butler County 378,294
8 Stark County 373,475
9 Lorain County 306,713
10 Mahoning County 231,064
11 Lake County 230,052
12 Warren County 226,564
13 Clermont County 203,216
14 Trumbull County 201,794
15 Delaware County 197,008
16 Medina County 177,257
17 Licking County 172,293
18 Greene County 165,811
19 Portage County 162,644
20 Fairfield County 152,910
21 Clark County 135,198
22 Wood County 129,936
23 Richland County 121,324
24 Wayne County 116,208
25 Miami County 104,800
26 Columbiana County 104,003
27 Allen County 103,642
28 Ashtabula County 98,136
29 Geauga County 93,961
30 Tuscarawas County 92,526
31 Muskingum County 86,076
32 Ross County 77,051
33 Scioto County 76,377
34 Hancock County 75,690
35 Erie County 75,136
36 Belmont County 68,472
37 Jefferson County 66,886
38 Athens County 65,936
39 Marion County 65,344
40 Knox County 61,215
41 Washington County 60,671
42 Lawrence County 60,622
43 Sandusky County 59,299
44 Huron County 58,457
45 Pickaway County 57,420
46 Union County 55,654
47 Seneca County 55,475
48 Ashland County 53,477
49 Darke County 51,734
50 Shelby County 48,797
51 Auglaize County 45,784
52 Logan County 45,307
53 Madison County 43,988
54 Holmes County 43,859
55 Brown County 43,679
56 Highland County 43,007
57 Fulton County 42,305
58 Crawford County 42,021
59 Clinton County 41,896
60 Preble County 41,207
61 Mercer County 40,806
62 Ottawa County 40,709
63 Guernsey County 39,274
64 Champaign County 38,864
65 Defiance County 38,279
66 Williams County 36,936
67 Coshocton County 36,574
68 Perry County 35,985
69 Morrow County 34,976
70 Putnam County 33,969
71 Jackson County 32,524
72 Hardin County 31,542
73 Gallia County 30,195
74 Fayette County 28,645
75 Hocking County 28,495
76 Van Wert County 28,281
77 Pike County 28,214
78 Adams County 27,878
79 Carroll County 27,578
80 Henry County 27,316
81 Meigs County 23,160
82 Wyandot County 22,107
83 Paulding County 18,872
84 Harrison County 15,307
85 Morgan County 14,702
86 Noble County 14,443
87 Monroe County 14,090
88 Vinton County 13,111

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2010 to July 1, 2018. U.S. Census Bureau, Population Division. Web. May 2019. http://www.census.gov/.

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/.

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