Counties in South Dakota

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County-Related Pages

Laws governing local ballot measures • Initiative • Home rule • General law city • Charter city • Petition • Initiative petition circulation periods • Circulator • Paid circulator • Volunteer circulator • Circulator affidavit • Signer • Valid signature • Forged signature • Fraudulent signature • Invalid signature • Electronic petition signature • Legislative alteration • Registered voter

There are 66 counties in South Dakota.

Types of local government

According to a 2022 study from the U.S. Census Bureau, this state's local governments consist of 66 counties, 1,207 cities, towns, and villages, and 487 special districts.

Initiative process availability

See also: Laws governing local ballot measures in South Dakota

All incorporated local governments have mandated initiative and referendum.

Website evaluations

See also: Evaluation of South Dakota county websites

Counties

County	County seat
Aurora County, South Dakota	Plankinton
Beadle County, South Dakota	Huron
Bennett County, South Dakota	Martin
Bon Homme County, South Dakota	Tyndall
Brookings County, South Dakota	Brookings, South Dakota
Brown County, South Dakota	Aberdeen, South Dakota
Brule County, South Dakota	Chamberlain
Buffalo County, South Dakota	Gann Valley
Butte County, South Dakota	Belle Fourche
Campbell County, South Dakota	Mound City
Charles Mix County, South Dakota	Lake Andes
Clark County, South Dakota	Clark
Clay County, South Dakota	Vermillion
Codington County, South Dakota	Watertown, South Dakota
Corson County, South Dakota	McIntosh
Custer County, South Dakota	Custer
Davison County, South Dakota	Mitchell
Day County, South Dakota	Webster
Deuel County, South Dakota	Clear Lake
Dewey County, South Dakota	Timber Lake
Douglas County, South Dakota	Armour
Edmunds County, South Dakota	Ipswich
Fall River County, South Dakota	Hot Springs
Faulk County, South Dakota	Faulkton
Grant County, South Dakota	Milbank
Gregory County, South Dakota	Burke
Haakon County, South Dakota	Philip
Hamlin County, South Dakota	Hayti
Hand County, South Dakota	Miller
Hanson County, South Dakota	Alexandria
Harding County, South Dakota	Buffalo
Hughes County, South Dakota	Pierre, South Dakota
Hutchinson County, South Dakota	Olivet
Hyde County, South Dakota	Highmore
Jackson County, South Dakota	Kadoka
Jerauld County, South Dakota	Wessington Springs
Jones County, South Dakota	Murdo
Kingsbury County, South Dakota	De Smet
Lake County, South Dakota	Madison
Lawrence County, South Dakota	Deadwood
Lincoln County, South Dakota	Canton
Lyman County, South Dakota	Kennebec
Marshall County, South Dakota	Britton
McCook County, South Dakota	Salem
McPherson County, South Dakota	Leola
Meade County, South Dakota	Sturgis
Mellette County, South Dakota	White River
Miner County, South Dakota	Howard
Minnehaha County, South Dakota	Sioux Falls, South Dakota
Moody County, South Dakota	Flandreau
Pennington County, South Dakota	Rapid City, South Dakota
Perkins County, South Dakota	Bison
Potter County, South Dakota	Gettysburg
Roberts County, South Dakota	Sisseton
Sanborn County, South Dakota	Woonsocket
Shannon County, South Dakota	Hot Springs
Spink County, South Dakota	Redfield
Stanley County, South Dakota	Fort Pierre
Sully County, South Dakota	Onida
Todd County, South Dakota	Winner
Tripp County, South Dakota	Winner
Turner County, South Dakota	Parker
Union County, South Dakota	Elk Point
Walworth County, South Dakota	Selby
Yankton County, South Dakota	Yankton
Ziebach County, South Dakota	Dupree