Laguna Niguel, California, United States [City]; population was 44,400 in 1990; housing units was 18,892 in 1990; location is 33°32'N 117°42'W; land area is 14.65 square miles (9,377 acres); water area is 0.06 square miles (38 acres); FIPS code is 39248 [SourceCBP]