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 1,290,360
2 Cuyahoga County 1,247,451
3 Hamilton County 813,589
4 Summit County 541,334
5 Montgomery County 531,670
6 Lucas County 431,102
7 Butler County 380,019
8 Stark County 372,404
9 Lorain County 307,670
10 Mahoning County 229,961
11 Lake County 229,954
12 Warren County 229,132
13 Clermont County 204,275
14 Delaware County 201,135
15 Trumbull County 200,367
16 Medina County 177,980
17 Licking County 173,750
18 Greene County 166,502
19 Portage County 162,511
20 Fairfield County 154,457
21 Clark County 134,726
22 Wood County 130,150
23 Richland County 121,100
24 Wayne County 116,099
25 Miami County 105,371
26 Columbiana County 103,190
27 Allen County 103,175
28 Ashtabula County 97,830
29 Geauga County 93,843
30 Tuscarawas County 92,335
31 Muskingum County 86,131
32 Ross County 76,948
33 Scioto County 76,040
34 Hancock County 75,837
35 Erie County 74,780
36 Belmont County 68,024
37 Jefferson County 66,371
38 Athens County 65,917
39 Marion County 65,299
40 Knox County 61,481
41 Washington County 60,426
42 Lawrence County 60,184
43 Sandusky County 59,029
44 Huron County 58,339
45 Pickaway County 57,762
46 Union County 56,707
47 Seneca County 55,351
48 Ashland County 53,536
49 Darke County 51,513
50 Shelby County 48,749
51 Auglaize County 45,729
52 Logan County 45,316
53 Madison County 44,135
54 Holmes County 43,901
55 Brown County 43,572
56 Highland County 43,016
57 Fulton County 42,253
58 Clinton County 41,957
59 Crawford County 41,821
60 Preble County 41,093
61 Mercer County 40,884
62 Ottawa County 40,632
63 Guernsey County 39,111
64 Champaign County 38,845
65 Defiance County 38,160
66 Williams County 36,816
67 Coshocton County 36,585
68 Perry County 36,022
69 Morrow County 35,043
70 Putnam County 33,911
71 Jackson County 32,450
72 Hardin County 31,425
73 Gallia County 30,088
74 Fayette County 28,620
75 Hocking County 28,390
76 Van Wert County 28,261
77 Pike County 28,000
78 Adams County 27,776
79 Carroll County 27,332
80 Henry County 27,208
81 Meigs County 23,078
82 Wyandot County 22,000
83 Paulding County 18,809
84 Harrison County 15,211
85 Morgan County 14,640
86 Noble County 14,416
87 Monroe County 13,942
88 Vinton County 13,083

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/.

United States Census Bureau. B01001 SEX BY AGE, 2019 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. 10 December 2020. http://www.census.gov/.

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