Akaska, SD -- U.S. town in South Dakota Population (2000): 31 Housing Units (2000): 188 Land area (2000): 0.703044 sq. miles (1.820875 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.703044 sq. miles (1.820875 sq. km) FIPS code: 00540 Located within: South Dakota (SD), FIPS 46 Location: 45.331844 N, 100.119717 W ZIP Codes (1990): 57420 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Akaska, SD Akaska