The Spirit Lake Tribe is a Sioux tribe. Its reservation is located in east-central North Dakota on the southern shores of Devils Lake. Established in 1867 in a treaty between Sisseton Wahpeton Bands and the United States government, the reservation consists of 495.669 sq mi of land area primarily in Benson County and Eddy County. Smaller areas extend into Ramsey, Wells and Nelson counties. According to the Bureau of Indian Affairs in 2005, there were 6,677 enrolled members of the tribe. At the time of the U.S. 2000 census, 4,435 members were living on the reservation but slightly more than 6,000 are estimated to live there currently....'
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