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

According to the US Bureau of Justice Statistics' 2008 Census of State and Local Law Enforcement Agencies, the state had 119 law enforcement agencies employing 3,229 sworn police officers, about 201 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

Montana Department of Corrections Montana Department of Justice Montana Highway Patrol Division of Criminal Investigations Gambling Control Division Investigation Bureau Montana Department of Livestock Brands Enforcement Division Montana Department of Fish, Wildlife, and Parks Law Enforcement Bureau Montana Department of Transportation Motor Carrier Services Enforcement Bureau

County agencies

Beaverhead County Sheriff's Office Big Horn County Sheriff's Office Blaine County Sheriff's Office Broadwater County Sheriff's Office Carbon County Sheriff's Office Carter County Sheriff's Office Cascade County Sheriff's Office Chouteau County Sheriff's Office Custer County Sheriff's Office Daniels County Sheriff's Office Dawson County Sheriff's Office Fallon County Sheriff's Office Fergus County Sheriff's Office Flathead County Sheriff's Office Gallatin County Sheriff's Office Garfield County Sheriff's Office Glacier County Sheriff's Office Golden Valley County Sheriff's Office

Granite County Sheriff's Office Hill County Sheriff's Office Jefferson County Sheriff's Office Judith Basin County Sheriff's Office Lake County Sheriff's Office Lewis and Clark County Sheriff's Office Liberty County Sheriff's Office Lincoln County Sheriff's Office Madison County Sheriff's Office McCone County Sheriff's Office Meagher County Sheriff's Office Mineral County Sheriff's Office Missoula County Sheriff's Office Musselshell County Sheriff's Office Park County Sheriff's Office Petroleum County Sheriff's Office Phillips County Sheriff's Office Pondera County Sheriff's Office

Powder River County Sheriff's Office Powell County Sheriff's Office Prairie County Sheriff's Office Ravalli County Sheriff's Office Richland County Sheriff's Office Roosevelt County Sheriff's Office Rosebud County Sheriff's Office Sanders County Sheriff's Office Sheridan County Sheriff's Office Stillwater County Sheriff's Office Sweet Grass County Sheriff's Office Teton County Sheriff's Office Toole County Sheriff's Office Treasure County Sheriff's Office Valley Treasure County Sheriff's Office Wheatland County Sheriff's Office Wibaux County Sheriff's Office Yellowstone County Sheriff's Office

Combined city and county agencies

Anaconda-Deer Lodge County Law Enforcement Department

Butte-Silver Bow Law Enforcement Department

City agencies

Baker Police Department Belgrade Police Department Billings Police Department Boulder Police Department Bozeman Police Department Bridger Police Department Chinook Police Department Colstrip Police Department Columbia Falls Police Department Columbus Police Department Conrad Police Department Cut Bank Police Department Darby Police Department

Deer Lodge Police Department Dillon Police Department East Helena Police Department Ennis Police Department Eureka Police Department Fairview Police Department Glasgow Police DepartmentPolice Department City of Glasgow Glendive Police Department Great Falls Police Department Hamilton Police Department Hardin Police Department

Havre Police Department Helena Police Department Hot Springs Police DepartmentHot Springs Police Department Kalispell Police Department Laurel Police Department Lewistown Police Department Libby Police Department Livingston Police Department Manhattan Police Department Miles City Police Department Missoula Police Department Plains Police Department

Polson Police Department Red Lodge Police Department Ronan Police Department St. Ignatius Police Department Sheridan Police Department Sidney Police Department Stevensville Police Department Thompson Falls Police Department Troy Police Department West Yellowstone Police Department Whitefish Police Department Wolf Point Police Department

Tribal agencies

Blackfeet Law Enforcement Services Blackfeet Nation Fish & Wildlife Chippewa Cree Law Enforcement Services Chippewa Cree Tribes Fish & Game Crow Police Department Crow Tribe Fish & Game

Confederated Salish and Kootenai Tribal Fish & Game Confederated Salish and Kootenai Tribal Police Department Fort Belknap Law Enforcement Services Fort Belknap Fish & Wildlife Department Fort Peck Department of Law and Justice Fort Peck Fish and Wildlife Department

College and university agencies

Montana State University Police DepartmentState University Police Department Montana State University Billings Police Department University of Montana Police DepartmentUniversity of Montana Office of Public Security

Airport agencies

Bert Mooney Airport Authority Police Gallatin Airport Authority Department of Public Safety Great Falls International Airport Authority Police Department Billings Logan International Airport Police Department Missoula County Airport Authority Public Safety Department

References

Montana Law Enforcement Personnel, Montana Board of Crime Control