The Mandan are a Native American tribe of the Great Plains who have lived for centuries primarily in what is now North Dakota. They are enrolled in the Three Affiliated Tribes of the Fort Berthold Reservation. About half of the Mandan still reside in the area of the reservation; the rest reside around the United States and in Canada.

Quick facts: Total population, Regions with significant po...
Portrait of Sha-kó-ka, a Mandan girl,
by George Catlin, 1832
Total population
1,171 (2010)[1]
Regions with significant populations
 United States ( North Dakota)
English  Hidatsa  formerly Mandan
Related ethnic groups
Hidatsa, Arikara

The Mandan historically lived along both banks of the Upper Missouri River and two of its tributaries—the Heart and Knife rivers— in present-day North and South Dakota. Speakers of Mandan, a Siouan language, they developed a settled, agrarian culture. They established permanent villages featuring large, round, earth lodges, some 40 feet (12 m) in diameter, surrounding a central plaza. Matrilineal families lived in the lodges. The Mandan were a great trading nation, trading especially their large corn surpluses with other tribes in exchange for bison meat and fat. Food was the primary item, but they also traded for horses, guns, and other trade goods.

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