White Shield is a census-designated place lying within the boundaries of the Mandan, Hidatsa, and Arikara Nation. It is located "on" the Fort Berthold Indian Reservation in McLean County, North Dakota, United States. The population was 336 at the 2010 census. It is considered the primary community of the Arikara people and is named for Chief Whit…White Shield is a census-designated place lying within the boundaries of the Mandan, Hidatsa, and Arikara Nation. It is located "on" the Fort Berthold Indian Reservation in McLean County, North Dakota, United States. The population was 336 at the 2010 census. It is considered the primary community of the Arikara people and is named for Chief White Shield.