Mitchell, SD -- U.S. city in South Dakota Population (2000): 14558 Housing Units (2000): 6555 Land area (2000): 9.865326 sq. miles (25.551076 sq. km) Water area (2000): 1.005663 sq. miles (2.604654 sq. km) Total area (2000): 10.870989 sq. miles (28.155730 sq. km) FIPS code: 43100 Located within: South Dakota (SD), FIPS 46 Location: 43.713896 N, 98.026282 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mitchell, SD Mitchell