South Dakota Counties

Become familiar with the counties of South Dakota!

Aurora County
County Seat: Plankinton

Beadle County
County Seat: Huron

Bennett County
County Seat: Martin

Bon Homme County
County Seat: Tyndall
Largest City: Springfield

Brookings County
County Seat: Brookings

Brown County
County Seat: Aberdeen

Brule County
County Seat: Chamberlain

Buffalo County
County Seat: Gann Valley
Largest Community: Fort Thompson

Butte County
County Seat: Belle Fourche

Campbell County
County Seat: Mound City
Largest City: Herreid

Charles Mix County
County Seat: Lake Andes
Largest City: Wagner

Clark County
County Seat: Clark

Clay County
County Seat: Vermillion

Codington County
County Seat: Watertown

Corson County
County Seat: McIntosh
Largest City: McLaughlin

Custer County
County Seat: Custer

Davison County
County Seat: Mitchell

Day County
County Seat: Webster

Deuel County
County Seat: Clear Lake

Dewey County
County Seat: Timber Lake
Largest Community: North Eagle Butte

Douglas County
County Seat: Armour

Edmunds County
County Seat: Ipswitch

Fall River County
County Seat: Hot Springs

Faulk County
County Seat: Faulkton

Grant County
County Seat: Milbank

Gregory County
County Seat: Burke
Largest City: Gregory

Haakon County
County Seat: Philip

Hamlin County
County Seat: Hayti
Largest City: Estelline

Hand County
County Seat: Miller

Hanson County
County Seat: Alexandria

Harding County
County Seat: Buffalo

Hughes County
County Seat: Pierre

Hutchinson County
County Seat: Olivet
Largest City: Parkston

Hyde County
County Seat: Highmore

Jackson County
County Seat: Kadoka

Jerauld County
County Seat: Wessington Springs

Jones County
County Seat: Murdo

Kingsbury County
County Seat: De Smet

Lake County
County Seat: Madison

Lawrence County
County Seat: Deadwood
Largest City: Spearfish

Lincoln County
County Seat: Canton
Largest City: Sioux Falls

Lyman County
County Seat: Kennebec
Largest Community: Lower Brule

Marshall County
County Seat: Britton

McCook County
County Seat: Salem

McPherson County
County Seat: Leola
Largest City: Eureka

Meade County
County Seat: Sturgis

Mellette County
County Seat: White River

Miner County
County Seat: Howard

Minnehaha County
County Seat: Sioux Falls

Moody County
County Seat: Flandreau

Oglala Lakota County
De facto County Seat: Hot Springs
Largest Community: Pine Ridge

Pennington County
County Seat: Rapid City

Perkins County
County Seat: Bison
Largest City: Lemmon

Potter County
County Seat: Gettysburg

Roberts County
County Seat: Sisseton

Sanborn County
County Seat: Woonsocket

Spink County
County Seat: Redfield

Stanley County
County Seat: Fort Pierre

Sully County
County Seat: Onida

Todd County
De facto County Seat: Winner
Largest City: Mission

Tripp County
County Seat: Winner

Turner County
County Seat: Parker

Union County
County Seat: Elk Point
Largest Community: Dakota Dunes

Walworth County
County Seat: Selby
Largest City: Mobridge

Yankton County
County Seat: Yankton

Ziebach County
County Seat: Dupree