Murdo, SD -- U.S. city in South Dakota Population (2000): 612 Housing Units (2000): 315 Land area (2000): 0.634510 sq. miles (1.643373 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.634510 sq. miles (1.643373 sq. km) FIPS code: 44260 Located within: South Dakota (SD), FIPS 46 Location: 43.888173 N, 100.711109 W ZIP Codes (1990): 57559 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Murdo, SD Murdo