Frederick, SD -- U.S. town in South Dakota Population (2000): 255 Housing Units (2000): 140 Land area (2000): 0.364437 sq. miles (0.943888 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.364437 sq. miles (0.943888 sq. km) FIPS code: 22860 Located within: South Dakota (SD), FIPS 46 Location: 45.832812 N, 98.507026 W ZIP Codes (1990): 57441 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Frederick, SD Frederick