Lower Grand Lagoon, Florida, United States [CDP]; population was 3,329 in 1990; housing units was 5,152 in 1990; location is 30°9'N 85°45'W; land area is 2.19 square miles (1,401 acres); water area is 0.52 square miles (330 acres); FIPS code is 41562 [SourceCBP]