Standing Rock Indian Reservation

The Standing Rock Reservation is in North Dakota and South Dakota in the United States, and is inhabited by ethnic "Hunkpapa and Sihasapa bands of Lakota Oyate and the Ihunktuwona and Pabaksa bands of the Dakota Oyate," as well as the Hunkpatina Dakota . The Ihanktonwana Dakota are the Upper Yanktonai, part of the collective of Wiciyena. The sixth-largest Native American reservation in land area in the US, Standing Rock includes all of Sioux County, North Dakota, and all of Corson County, South Dakota, plus slivers of northern Dewey and Ziebach counties in South Dakota, along their northern county lines at Highway 20.

The reservation has a land area of 9,251.2 square kilometers and a population of 8,217 as of the 2010 census. There are 15,568 enrolled members of the tribe. The largest communities on the reservation are Fort Yates, Cannon Ball and McLaughlin.

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