Hudson, SD -- U.S. town in South Dakota Population (2000): 402 Housing Units (2000): 162 Land area (2000): 0.267018 sq. miles (0.691573 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.267018 sq. miles (0.691573 sq. km) FIPS code: 30740 Located within: South Dakota (SD), FIPS 46 Location: 43.129824 N, 96.454627 W ZIP Codes (1990): 57034 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hudson, SD Hudson