Ranking of Ohio Counties By Population in 2013

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2013, the Population for Ohio was 11.58M. Among all Ohio counties, Cuyahoga County had the highest population (1.27M), followed by Franklin County (1.22M), and Hamilton County (805.41K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Ohio counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Ohio Counties By Population in 2013
Cuyahoga
Franklin
Hamilton
Summit
Montgomery
Lucas
Stark
Butler
Lorain
Mahoning
Ranking of Ohio Counties By Population in 2013
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Rank County Population
1 Cuyahoga County 1265698
2 Franklin County 1219186
3 Hamilton County 805408
4 Summit County 542032
5 Montgomery County 534448
6 Lucas County 436269
7 Stark County 375152
8 Butler County 371497
9 Lorain County 303159
10 Mahoning County 234431
11 Lake County 230085
12 Warren County 219298
13 Trumbull County 206405
14 Clermont County 200504
15 Delaware County 185545
16 Medina County 174672
17 Licking County 168532
18 Greene County 164004
19 Portage County 161746
20 Fairfield County 148820
21 Clark County 136682
22 Wood County 129073
23 Richland County 122339
24 Wayne County 115438
25 Columbiana County 106007
26 Allen County 105071
27 Miami County 103228
28 Ashtabula County 99779
29 Geauga County 93847
30 Tuscarawas County 92625
31 Muskingum County 85660
32 Scioto County 78333
33 Ross County 77299
34 Erie County 76071
35 Hancock County 75612
36 Belmont County 69593
37 Jefferson County 68200
38 Marion County 65996
39 Athens County 64628
40 Lawrence County 61908
41 Washington County 61401
42 Knox County 60882
43 Sandusky County 60052
44 Huron County 58840
45 Pickaway County 56352
46 Seneca County 55860
47 Union County 53440
48 Ashland County 53163
49 Darke County 52321
50 Shelby County 49202
51 Auglaize County 45820
52 Logan County 45399
53 Brown County 44125
54 Holmes County 43607
55 Madison County 43263
56 Highland County 43200
57 Crawford County 42715
58 Fulton County 42199
59 Clinton County 41879
60 Preble County 41685
61 Ottawa County 41041
62 Mercer County 40623
63 Guernsey County 39716
64 Champaign County 39468
65 Defiance County 38587
66 Williams County 37446
67 Coshocton County 36721
68 Perry County 36000
69 Morrow County 34851
70 Putnam County 34122
71 Jackson County 32807
72 Hardin County 31743
73 Gallia County 30684
74 Fayette County 28690
75 Hocking County 28660
76 Van Wert County 28357
77 Carroll County 28272
78 Pike County 28266
79 Adams County 28085
80 Henry County 27831
81 Meigs County 23448
82 Wyandot County 22463
83 Paulding County 19138
84 Harrison County 15598
85 Morgan County 14893
86 Noble County 14678
87 Monroe County 14514
88 Vinton County 13305