Belvedere Park, Georgia, United States [CDP]; population was 18,089 in 1990; housing units was 6,840 in 1990; location is 33°45'N 84°16'W; land area is 4.98 square miles (3,190 acres); water area is 0.00 square miles (1 acres); FIPS code is 6884 [SourceCBP]