South Dakota 2020 Census Total Population By County

The total population of South Dakota from the 2020 Census was 886,667, based on data from the US Census Bureau.

Minnehaha County was the most populated county (197,214), followed by Pennington County (109,222), and then Lincoln County (65,161). On the other hand, the 3 counties that were least populated include: Jones County (917), Hyde County (1,262), and Harding County (1,311).

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 number and percentage of South Dakota population that lives in 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.

You can also see the population by county for the different racial groups as well as the different ethnicities in South Dakota.