Olympia Heights, Florida, United States [CDP]; population was 37,792 in 1990; housing units was 12,237 in 1990; location is 25°44'N 80°21'W; land area is 6.74 square miles (4,314 acres); water area is 0.37 square miles (236 acres); FIPS code is 51475 [SourceCBP]