Astoria, SD -- U.S. town in South Dakota Population (2000): 150 Housing Units (2000): 75 Land area (2000): 0.157547 sq. miles (0.408046 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.157547 sq. miles (0.408046 sq. km) FIPS code: 02580 Located within: South Dakota (SD), FIPS 46 Location: 44.557702 N, 96.546326 W ZIP Codes (1990): 57213 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Astoria, SD Astoria