Amchitka, Alaska, United States [CDP]; population was 25 in 1990; housing units was 0 in 1990; location is 51°34'N 178°53'E; land area is 115.82 square miles (74,127 acres); water area is 161.16 square miles (103,143 acres); FIPS code is 2025 [SourceCBP]