The Shoshone-Bannock Tribes are a federally recognized sovereign tribal government, organized under the 1936 Constitution and Bylaws.

The Reservation was established by the Fort Bridger Treaty of July 2, 1863. The home base is made up of 544,000 acres (816 square miles). The original 1,800,000 acres were reduced to 1,336,000 acres in 1869. In 1900 additional land was ceded to the government leaving an existing 540,764 acres within the reservation boundaries.

The Fort Hall Indian Reservation is located in southeastern Idaho and consists of Bingham, Bannock, Caribou and Power Counties.