The Bureau of Indian Affairs’ Crow Creek Agency is located in Ft. Thompson, SD on the Crow Creek Sioux Reservation. The Crow Creek Reservation was originally established in 1863 and is located along the eastern shore of the Missouri River in Central South Dakota. The reservation covers an area of more than 295,000 acres within its exterior boundaries. Estimated tribal enrollment is more than 3,500 members. The Crow Creek Sioux Reservation is divided geographically into three districts/communities: Ft. Thompson, Crow Creek, and Big Bend, with Ft. Thompson being the largest community and also serving as the tribal headquarters.
Crow Creek Agency works with the Crow Creek Sioux Tribe within the government-to-government Frame work to address the needs of the tribe and its members. Major programs operated by the Agency include Real Estate Services, Natural Resources, Wildland Fire, Probate, Transportation, and Human Services.