Issaquah, Washington, United States [City]; population was 7,786 in 1990; housing units was 3,348 in 1990; location is 47°32'N 122°2'W; land area is 5.09 square miles (3,255 acres); water area is 0.03 square miles (18 acres); FIPS code is 33805 [SourceCBP]