Bithlo, Florida, United States [CDP]; population was 4,834 in 1990; housing units was 1,968 in 1990; location is 28°34'N 81°7'W; land area is 10.67 square miles (6,829 acres); water area is 0.20 square miles (130 acres); FIPS code is 6625 [SourceCBP]