Ranking of Missouri Counties By Population Density from Census 2020
According to the data from the US 2020 Census, as at April 2020, among all Missouri counties, St. Louis city had the highest population density per square mile (4.89K people per sqr mile), followed by St. Louis County (1.98K people per sqr mile), and Jackson County (1.19K people per sqr mile).
On the other hand, Shannon County had the lowest population density (7.00 people per sqr mile), followed by Worth County (7.40 people per sqr mile), and Knox County (7.43 people per sqr mile).
The chart below shows the top 10 counties with high population density, and the table below shows the ranking of all Missouri counties.
You can also see similar ranking of counties information for other states as well as for all counties in the United States.
Rank | County | Population Density |
|---|---|---|
| 1 | St. Louis city | 4,884.96 |
| 2 | St. Louis County | 1,977.11 |
| 3 | Jackson County | 1,186.40 |
| 4 | St. Charles County | 723.04 |
| 5 | Clay County | 637.06 |
| 6 | Greene County | 442.62 |
| 7 | Jefferson County | 345.40 |
| 8 | Boone County | 267.83 |
| 9 | Platte County | 254.21 |
| 10 | Buchanan County | 207.70 |
| 11 | Cole County | 197.37 |
| 12 | Jasper County | 192.26 |
| 13 | Christian County | 157.92 |
| 14 | Cass County | 154.78 |
| 15 | St. Francois County | 148.10 |
| 16 | Cape Girardeau County | 141.24 |
| 17 | Franklin County | 113.46 |
| 18 | Pulaski County | 98.62 |
| 19 | Lincoln County | 95.08 |
| 20 | Newton County | 93.87 |
| 21 | Scott County | 90.62 |
| 22 | Taney County | 88.67 |
| 23 | Warren County | 82.90 |
| 24 | Stone County | 67.00 |
| 25 | Phelps County | 66.45 |