South Dakota

Counties and county-equivalents (66)

Aurora County
Beadle County
Bennett County
Bon Homme County
Brookings County
Brown County
Brule County
Buffalo County
Butte County
Campbell County
Charles Mix County
Clark County
Clay County
Codington County
Corson County
Custer County
Davison County
Day County
Deuel County
Dewey County
Douglas County
Edmunds County
Fall River County
Faulk County
Grant County
Gregory County
Haakon County
Hamlin County
Hand County
Hanson County
Harding County
Hughes County
Hutchinson County
Hyde County
Jackson County
Jerauld County
Jones County
Kingsbury County
Lake County
Lawrence County
Lincoln County
Lyman County
Marshall County
McCook County
McPherson County
Meade County
Mellette County
Miner County
Minnehaha County
Moody County
Oglala Lakota County
Pennington County
Perkins County
Potter County
Roberts County
Sanborn County
Spink County
Stanley County
Sully County
Todd County
Tripp County
Turner County
Union County
Walworth County
Yankton County
Ziebach County

Largest incorporated cities

1. Sioux Falls · 213,748
2. Rapid City · 80,589
3. Aberdeen · 27,961
4. Brookings · 25,355
5. Watertown · 23,736
6. Yankton · 15,816
7. Mitchell · 15,756
8. Huron · 14,607
9. Spearfish · 14,154
10. Box Elder · 13,936

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Cities ranked by Census Vintage 2025 SUB-EST2025 population estimates for incorporated places. Counties and county-equivalents from Census Vintage 2025 CO-EST2025.

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