South Dakota

Facts & Figures

 South Dakota
  • Capital: Pierre

  • State abbreviation/Postal code: S.D./SD

  • Governor: Dennis Daugaard, R (to Jan. 2019)

  • Lieut. Governor: Matt Michels, R (to Jan. 2019)

  • Senators: John R. Thune, R (to Jan. 2017); Mike Rounds, R (to Jan. 2021)

  • U.S. Representatives: 1

  • Historical biographies of Congressional members

  • Atty. General: Marty Jackley, R (to Jan. 2019)

  • Secy. of State: Shantel Krebs, R (to Jan. 2019)

  • Treasurer: Rich Sattgast, R (to Jan. 2019)

  • Organized as territory: March 2, 1861

  • Entered Union (rank): Nov. 2, 1889 (40)

  • Present constitution adopted: 1889

  • Motto: Under God the people rule

  • State symbols:

  • Nicknames: Mount Rushmore State; Coyote State

  • Origin of name: From the Sioux tribe, meaning “allies”

  • 10 largest cities (2010 est.): Sioux Falls , 153,888; Rapid City , 67,956; Aberdeen, 26,091; Brookings, 22,056; Watertown, 21,482; Mitchell, 15.254; Yankton, 14,454; Pierre , 13,646; Huron, 12,592; Vermillion, 10,571

  • Land area: 75,885 sq mi. (196,542 sq km)

  • Geographic center: In Hughes Co., 8 mi. NE of Pierre

  • Number of counties: 66 (64 county governments)

  • Largest county by population and area: Minnehaha, 169,468 (2010); Meade, 3,471 sq mi.

  • State parks: 12

  • Residents: South Dakotan

  • 2010 resident population est.: 775,933

  • 2010 resident census population (rank): 814,180 (46). Male: 407,381 (50.0%); Female: 406,799 (50.0%). White: 699,392 (85.9%); Black: 10,2047 (1.3%); American Indian: 71,817 (8.8%); Asian: 7,610 (0.9%); Other race: 7,477 (0.9%); Two or more races: 17,283 (2.1%); Hispanic/Latino: 22,119(2.7%). 2010 percent population 18 and over: 75.1; 65 and over: 14.3; Median age: 36.9.

  • Area codes

  • Tourism office

Flag of South Dakota