Westlake Village, California, United States [City]; population was 7,455 in 1990; housing units was 3,006 in 1990; location is 34°8'N 118°49'W; land area is 5.21 square miles (3,333 acres); water area is 0.46 square miles (291 acres); FIPS code is 84438 [SourceCBP]