Unalaska, AK -- U.S. city in Alaska Population (2000): 4283 Housing Units (2000): 988 Land area (2000): 111.022329 sq. miles (287.546500 sq. km) Water area (2000): 101.308143 sq. miles (262.386875 sq. km) Total area (2000): 212.330472 sq. miles (549.933375 sq. km) FIPS code: 80770 Located within: Alaska (AK), FIPS 02 Location: 53.888984 N, 166.527239 W ZIP Codes (1990): 99685 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Unalaska, AK Unalaska