Ohio 2020 Census Population Density By County Map

Updated on October 16, 2023.

The population density of Ohio from the 2020 Census was 288.79, based on data from the US Census Bureau.

Cuyahoga County had the highest population density (2,766.38), followed by Franklin County (2,486.41), and then Hamilton County (2,048.9). On the other hand, the 3 counties with the lowest population density were: Monroe County (29.37), Vinton County (31.04), and Morgan County (33.14).

You can also see this information for other states and also for the US by state.

Hover over or click on the counties to see the population density for each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

Ohio 2020 Census Population Density By County
Ohio 2020 Census Population Density By County
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County Population Density
Adams 47.06
Allen 253.90
Ashland 123.99
Ashtabula 138.98
Athens 123.96
Auglaize 115.65
Belmont 124.97
Brown 89.22
Butler 836.74
Carroll 67.72
Champaign 90.25
Clark 342.68
Clermont 460.94
Clinton 102.80
Columbiana 191.53
Coshocton 64.92
Crawford 104.60
Cuyahoga 2766.38
Darke 86.74
Defiance 93.05
Delaware 483.19
Erie 300.94
Fairfield 315.09
Fayette 71.25
Franklin 2486.41
Fulton 105.35
Gallia 62.63
Geauga 238.31
Greene 406.15
Guernsey 73.60
Hamilton 2048.90
Hancock 141.01
Hardin 65.27
Harrison 36.00
Henry 66.49
Highland 78.32
Hocking 66.57
Holmes 104.64
Huron 118.98
Jackson 77.69
Jefferson 159.88
Knox 119.36
Lake 1014.54
Lawrence 128.45
Licking 261.59
Logan 100.65
Lorain 638.00
Lucas 1269.72
Madison 94.08
Mahoning 555.58
Marion 161.86
Medina 432.95
Meigs 51.64
Mercer 91.96
Miami 267.57
Monroe 29.37
Montgomery 1164.64
Morgan 33.14
Morrow 86.06
Muskingum 130.03
Noble 35.46
Ottawa 158.47
Paulding 45.16
Perry 86.80
Pickaway 116.79
Pike 61.52
Portage 331.94
Preble 96.64
Putnam 71.40
Richland 252.28
Ross 111.86
Sandusky 144.27
Scioto 121.30
Seneca 99.94
Shelby 118.30
Stark 651.62
Summit 1309.20
Trumbull 326.77
Tuscarawas 164.37
Union 145.41
Van Wert 70.71
Vinton 31.04
Warren 603.69
Washington 94.58
Wayne 210.70
Williams 88.20
Wood 214.28
Wyandot 53.82