Longview Heights, Washington, United States [CDP]; population was 3,310 in 1990; housing units was 1,213 in 1990; location is 46°11'N 122°57'W; land area is 4.24 square miles (2,713 acres); water area is 0.02 square miles (10 acres); FIPS code is 40270 [SourceCBP]