Unalaska, Alaska, United States [City]; population was 3,089 in 1990; housing units was 682 in 1990; location is 53°56'N 166°31'W; land area is 104.27 square miles (66,734 acres); water area is 111.39 square miles (71,292 acres); FIPS code is 80770 [SourceCBP]