Upper Kalskag, AK -- U.S. city in Alaska Population (2000): 230 Housing Units (2000): 66 Land area (2000): 3.781858 sq. miles (9.794968 sq. km) Water area (2000): 0.350237 sq. miles (0.907110 sq. km) Total area (2000): 4.132095 sq. miles (10.702078 sq. km) FIPS code: 81320 Located within: Alaska (AK), FIPS 02 Location: 61.537440 N, 160.316070 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Upper Kalskag, AK Upper Kalskag