This is a list of law enforcement agencies in the state of South Dakota.

According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 155 law enforcement agencies employing 1,636 sworn police officers, about 203 for each 100,000 residents.2008 Census of State and Local Law Enforcement Agencies, by Brian A Reaves, US Department of Justice, Office of Justice Programs, Bureau of Justice Statistics, July 2011

State agencies South Dakota Division of Criminal Investigation South Dakota Department of Corrections South Dakota Department of Public Safety South Dakota Department of Public Safety Safety & Enforcement South Dakota Highway Patrol South Dakota Office of Highway Safety South Dakota Department of Homeland Security South Dakota Game, Fish, & Parks Conservation Officers South Dakota Commission on Gaming South Dakota Motor Carrier The Huron Police Department is the South Dakota's State Fair Police Department.

Federal Agencies within South Dakota Bureau of Alcohol, Tobacco, Firearms and Explosives Field Divisions Bureau of Alcohol, Tobacco, Firearms and Explosives St. Paul Field Division/South Dakota Field Offices Bureau of Indian Affairs Bureau of Indian Affairs Regional Offices Bureau of Indian Affairs Office of Justice Services Bureau of Indian Affairs Office of Justice Services Districts Bureau of Indian Affairs Office of Justice Services Drug Division Enforcement Drug Enforcement Administration Drug Enforcement Administration Field Offices Federal Bureau of Investigation National Park Service United States Marshal's Service

County agencies

Aurora County Sheriff's Office Beadle County Sheriff's Office Bennett County Sheriff's Office Bon Homme County Sheriff's Office Brookings County Sheriff's Office Brown County Sheriff's Office Brule County Sheriff's Office Buffalo County Sheriff's Office Butte County Sheriff's Office Campbell County Sheriff's Office Charles Mix County Sheriff's Office

Clark County Sheriff's Office Clay County Sheriff's Office Codington County Sheriff's Office Corson County Sheriff's Office Custer County Sheriff's Office Davison County Sheriff's Office Day County Sheriff's Office Deuel County Sheriff's Office Dewey County Sheriff's Office Douglas County Sheriff's Office Edmunds County Sheriff's Office

Fall River County Sheriff's Office Faulk County Sheriff's Office Grant County Sheriff's Office Gregory County Sheriff's Office Haakon County Sheriff's Office Hamlin County Sheriff's Office Hand County Sheriff's Office Hanson County Sheriff's Office Harding County Sheriff's Office Hughes County Sheriff's Office Hutchinson County Sheriff's Office

Hyde County Sheriff's Office Jackson County Sheriff's Office Jerauld County Sheriff's Office Jones County Sheriff's Office Kingsbury County Sheriff's Office Lake County Sheriff's Office Lawrence County Sheriff's Office Lincoln County Sheriff's Office Lyman County Sheriff's Office Marshall County Sheriff's Office McCook County Sheriff's Office

McPherson County Sheriff's Office Meade County Sheriff's Office Mellette County Sheriff's Office Miner County Sheriff's Office Minnehaha County Sheriff's Office Moody County Sheriff's Office Pennington County Sheriff's Office Perkins County Sheriff's Office Potter County Sheriff's Office Roberts County Sheriff's Office Sanborn County Sheriff's Office

Oglala County Sheriff's Office -formerly known as Shannon County in 2015 Spink County Sheriff's Office Stanley County Sheriff's Office Sully County Sheriff's Office Todd County Sheriff's Office Tripp County Sheriff's Office Turner County Sheriff's Office Union County Sheriff's Office Walworth County Sheriff's Office Yankton County Sheriff's Office Ziebach County Sheriff's Office

City agencies

Aberdeen Police Department Alcester Police Department Avon Police Department Belle Fourche Police Department Beresford Police Department Box Elder Police Department Brandon Police Department Brookings Police Department Burke Police Department Canton Police Department Centerville Police Department Chamberlain Police Department Clark Police Department Deadwood Police Department

Elk Point Police Department Freeman Police Department Faith Police Department Flandreau Police Department Gettysburg Police Department Gregory Police Department Groton Police Department Hot Springs Police Department Huron Police Department Kimball Police Department Lead Police Department Lennox Police Department Madison Police Department Martin Police Department Menno Police Department

Milbank Police Department Miller Police Department Mission Police Department Mitchell Police Department Mobridge Police Department Murdo Police Department North Sioux City Police Department Parkston Police Department Philip Police Department Pierre Police DepartmentMother sues police after 8 yr old daughter is Tased; 12 August 2014, privateofficer.com Platte Police Department Rapid City Police Department Scotland Police Department Sioux Falls Police Department

Sisseton Police Department Spearfish Police Department Springfield Police Department Sturgis Police Department Summerset Police Department Tea Police Department Vermillion Police Department Viborg Police Department Wagner Police Department Watertown Police Department Webster Police Department White Wood Police Department Winner Police Department Yankton Police Department

College and university agencies South Dakota School of Mines Police Department South Dakota State University Police Department University of South Dakota Police Department

Disbanded agencies

Burke Police Department Canistota Police Department Colman Police Department Corsica Police Department Dell Rapids Police Department Delmont Police Department Dupree Police Department Edgemont Police Department Estelline Police Department Fort Pierre Police Department

Harrisburg Police Department Hurley Police Department Irene Police Department Jefferson Police Department Kadoka Police Department Keystone Police Department Lake Andes Police Department Leola Police Department Lemmon Police Department

Marion Police Department McLaughlin Police Department Miller Police Department Parker Police Department Rosholt Police Department Roslyn Police Department Scotland Police Department Selby Police Department Tyndall Police Department Wall Police Department

Tribal agencies - BIA

Cheyenne River Police Department Crow Creek Police Department Flandreau Santee Sioux Police Department Lower Brule Police Department

Oglala Lakota Police Department Rosebud Police Department Sisseton- Wahpeton Oyate Police Department Yankton Sioux Police Department

References