Gaines School, Georgia, United States [CDP]; population was 11,354 in 1990; housing units was 5,219 in 1990; location is 33°56'N 83°20'W; land area is 6.25 square miles (3,999 acres); water area is 0.03 square miles (18 acres); FIPS code is 31889 [SourceCBP]