Jefferson, SD -- U.S. city in South Dakota Population (2000): 586 Housing Units (2000): 240 Land area (2000): 0.288924 sq. miles (0.748309 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.288924 sq. miles (0.748309 sq. km) FIPS code: 32700 Located within: South Dakota (SD), FIPS 46 Location: 42.604514 N, 96.562823 W ZIP Codes (1990): 57038 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Jefferson, SD Jefferson