Wall, SD -- U.S. town in South Dakota Population (2000): 818 Housing Units (2000): 438 Land area (2000): 2.023618 sq. miles (5.241146 sq. km) Water area (2000): 0.040694 sq. miles (0.105398 sq. km) Total area (2000): 2.064312 sq. miles (5.346544 sq. km) FIPS code: 68380 Located within: South Dakota (SD), FIPS 46 Location: 43.991559 N, 102.240956 W ZIP Codes (1990): 57790 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Wall, SD Wall