Missouri 2020 Census Population Density By County Map

Updated on October 16, 2023.

The population density of Missouri from the 2020 Census was 89.53 people per square mile, based on data from the US Census Bureau.

St. Louis city had the highest population density (4,884.96 people per square mile), followed by St. Louis County (1,977.11 people per square mile), and then Jackson County (1,186.4 people per square mile). On the other hand, the 3 counties with the lowest population density were: Shannon County (7 people per square mile), Worth County (7.4 people per square mile), and Knox County (7.43 people per square mile).

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.

Missouri 2020 Census Population Density By County
Missouri 2020 Census Population Density By County
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County Population Density
Adair 44.62
Andrew 41.92
Atchison 9.69
Audrain 36.06
Barry 44.38
Barton 19.66
Bates 19.17
Benton 27.55
Bollinger 17.10
Boone 267.83
Buchanan 207.70
Butler 60.64
Caldwell 20.67
Callaway 53.06
Camden 65.16
Cape Girardeau 141.24
Carroll 12.23
Carter 10.25
Cass 154.78
Cedar 29.90
Chariton 9.86
Christian 157.92
Clark 13.15
Clay 637.06
Clinton 50.57
Cole 197.37
Cooper 30.28
Crawford 31.05
Dade 15.45
Dallas 31.56
Daviess 14.97
DeKalb 26.18
Dent 19.16
Douglas 14.23
Dunklin 52.19
Franklin 113.46
Gasconade 28.51
Gentry 12.54
Greene 442.62
Grundy 22.53
Harrison 11.29
Henry 31.49
Hickory 20.76
Holt 9.13
Howard 21.89
Howell 42.87
Iron 17.33
Jackson 1186.40
Jasper 192.26
Jefferson 345.40
Johnson 65.13
Knox 7.43
Laclede 47.13
Lafayette 52.50
Lawrence 62.12
Lewis 19.86
Lincoln 95.08
Linn 19.29
Livingston 27.35
McDonald 43.20
Macon 18.98
Madison 25.54
Maries 16.00
Marion 65.29
Mercer 7.80
Miller 41.72
Mississippi 30.56
Moniteau 37.28
Monroe 13.38
Montgomery 21.16
Morgan 35.15
New Madrid 24.35
Newton 93.87
Nodaway 24.22
Oregon 10.93
Osage 21.88
Ozark 11.48
Pemiscot 31.79
Perry 39.96
Pettis 63.00
Phelps 66.45
Pike 26.23
Platte 254.21
Polk 49.60
Pulaski 98.62
Putnam 9.05
Ralls 22.04
Randolph 51.20
Ray 40.70
Reynolds 7.54
Ripley 16.96
St. Charles 723.04
St. Clair 13.75
Ste. Genevieve 37.02
St. Francois 148.10
St. Louis 1977.11
Saline 30.88
Schuyler 13.12
Scotland 10.80
Scott 90.62
Shannon 7.00
Shelby 12.19
Stoddard 34.83
Stone 67.00
Sullivan 9.26
Taney 88.67
Texas 20.80
Vernon 23.85
Warren 82.90
Washington 30.95
Wayne 14.46
Webster 65.96
Worth 7.40
Wright 26.68
St. Louis city 4884.96