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Total Population in Ohio, by County

Total Population for every county in Ohio, ranked. The highest is Franklin County at 1,333,048 and the lowest is Vinton County at 12,630.

Ohio: 11,810,293 · United States: 334,922,499 · median county in Ohio: 58,319

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#County Total Population
1Franklin County1,333,048
2Cuyahoga County1,245,873
3Hamilton County830,774
4Summit County537,864
5Montgomery County536,096
6Lucas County428,018
7Butler County392,876
8Stark County373,713
9Lorain County317,129
10Warren County250,008
11Lake County232,216
12Delaware County226,834
13Mahoning County226,491
14Clermont County211,181
15Trumbull County200,929
16Medina County183,660
17Licking County181,837
18Greene County169,688
19Fairfield County163,453
20Portage County161,956
21Clark County135,158
22Wood County132,064
23Richland County125,099
24Wayne County116,588
25Miami County110,296
26Allen County101,348
27Columbiana County100,704
28Ashtabula County97,167
29Geauga County95,481
30Tuscarawas County92,385
31Muskingum County86,411
32Ross County76,492
33Hancock County74,866
34Erie County74,581
35Scioto County72,627
36Union County67,324
37Belmont County65,473
38Marion County65,020
39Jefferson County64,518
40Knox County63,142
41Athens County61,737
42Pickaway County60,131
43Washington County58,978
44Sandusky County58,778
45Huron County58,319
46Lawrence County56,819
47Seneca County54,770
48Ashland County52,256
49Darke County51,594
50Shelby County47,929
51Auglaize County46,125
52Logan County46,089
53Madison County44,423
54Holmes County44,418
55Brown County43,845
56Highland County43,517
57Mercer County42,484
58Fulton County42,240
59Clinton County42,012
60Crawford County41,711
61Preble County40,765
62Ottawa County39,994
63Champaign County38,804
64Defiance County38,343
65Guernsey County38,223
66Coshocton County36,744
67Williams County36,719
68Perry County35,535
69Morrow County35,404
70Putnam County34,314
71Jackson County32,650
72Hardin County30,475
73Gallia County29,068
74Fayette County28,876
75Van Wert County28,826
76Hocking County27,799
77Henry County27,567
78Adams County27,540
79Pike County27,044
80Carroll County26,659
81Meigs County21,896
82Wyandot County21,598
83Paulding County18,791
84Harrison County14,306
85Noble County14,282
86Morgan County13,651
87Monroe County13,227
88Vinton County12,630

Everyone living in the area, from the 5-year American Community Survey.

Source: ACS 2020-2024 5-Year Estimates, 2024.

Ohio ranks 7th of 52 states for total population.

Total Population in other states

Other statistics for Ohio by county