They lived in earth lodges within sizable villages. They were agricultural people, they cultivated corn as their main crop. They maintained complex social organization with elaborate rituals. They held annual buffalo hunt and practice of sun dances. They were closely allied with the neighboring tribes, Mandan and Arikara.
In 1990 1,570 Hidatsa's resided. Most of them were at Fort Berthold Indian Reservation in North Dakota.
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