Florham Park, New Jersey, United States [Borough]; population was 8,521 in 1990; housing units was 2,969 in 1990; location is 40°47'N 74°24'W; land area is 7.43 square miles (4,758 acres); water area is 0.02 square miles (10 acres); FIPS code is 23910 [SourceCBP]