Dimock, SD -- U.S. town in South Dakota Population (2000): 151 Housing Units (2000): 63 Land area (2000): 0.148915 sq. miles (0.385689 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.148915 sq. miles (0.385689 sq. km) FIPS code: 16620 Located within: South Dakota (SD), FIPS 46 Location: 43.475992 N, 97.987055 W ZIP Codes (1990): 57331 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Dimock, SD Dimock