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Population per Square Mile in South Dakota, by County

Population per Square Mile for every county in South Dakota, ranked. The highest is Minnehaha County at 252.0 and the lowest is Harding County at 0.4.

South Dakota: 12.0 · United States: n/a · median county in South Dakota: 5.3

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#County Population per Square Mile
1Minnehaha County252.0
2Lincoln County122.4
3Davison County45.8
4Yankton County44.9
5Brookings County44.6
6Codington County41.8
7Pennington County40.9
8Union County37.1
9Clay County36.9
10Lawrence County34.0
11Hughes County23.8
12Brown County22.1
13Lake County19.5
14Beadle County15.3
15Turner County14.4
16Hamlin County12.6
17Bon Homme County12.5
18Moody County12.3
19Grant County11.1
20McCook County10.0
21Roberts County9.3
22Hutchinson County9.1
23Meade County8.8
24Charles Mix County8.5
25Hanson County8.0
26Walworth County7.5
27Deuel County6.9
28Todd County6.7
29Brule County6.5
30Douglas County6.5
31Oglala Lakota County6.4
32Kingsbury County6.3
33Custer County5.7
34Day County5.3
35Marshall County5.2
36Butte County4.7
37Fall River County4.2
38Sanborn County4.2
39Clark County4.1
40Spink County4.1
41Gregory County4.0
42Miner County4.0
43Buffalo County3.8
44Aurora County3.7
45Edmunds County3.6
46Tripp County3.5
47Jerauld County3.4
48Bennett County2.8
49Potter County2.8
50Dewey County2.3
51Lyman County2.3
52Campbell County2.2
53Faulk County2.2
54Hand County2.2
55Stanley County2.1
56McPherson County1.9
57Corson County1.5
58Jackson County1.5
59Mellette County1.5
60Sully County1.5
61Hyde County1.4
62Ziebach County1.2
63Haakon County1.0
64Jones County1.0
65Perkins County1.0
66Harding County0.4

People divided by land area. Water is excluded, so lake and coastal counties are not unfairly diluted.

Source: ACS 2020-2024 5-Year Estimates, 2024.

South Dakota ranks 48th of 52 states for population per square mile.

Population per Square Mile in other states

Other statistics for South Dakota by county