Kwethluk, Alaska, United States [City]; population was 558 in 1990; housing units was 138 in 1990; location is 60°46'N 161°23'W; land area is 10.21 square miles (6,533 acres); water area is 1.85 square miles (1,187 acres); FIPS code is 42380 [SourceCBP]