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Entered the Union: November 2, 1889 (40th State)
South Dakota Capital City: Pierre
Lagest Cities in South Dakota: Sioux Falls, Rapid City, Aberdeen, Brookings, Watertown, Mitchell, Yankton, Pierre, Huron, Vermillion
Bordering States: Iowa, Minnesota, Montana, Nebraska, North Dakota, Wyoming
South Dakota 2013 Population (Estimate): 844,877
South Dakota 2010 Population (Estimate): 814,180
Origin of State Name: From the Sioux tribe, meaning “allies”
State Motto: Under God the people rule
South Dakota Nickname: Mount Rushmore State; Coyote State