South Dakota 2020 Census Population Density By County Map

The population density of South Dakota from the 2020 Census was 11.7 people per square mile, based on data from the US Census Bureau.

Minnehaha County had the highest population density (244.43 people per square mile), followed by Lincoln County (112.87 people per square mile), and then Davison County (45.81 people per square mile). On the other hand, the 3 counties with the lowest population density were: Harding County (0.49 people per square mile), Jones County (0.95 people per square mile), and Perkins County (0.99 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.