Berkeley Heights, New Jersey, United States [CDP]; population was 11,980 in 1990; housing units was 3,924 in 1990; location is 40°41'N 74°26'W; land area is 6.26 square miles (4,009 acres); water area is 0.01 square miles (7 acres); FIPS code is 5350 [SourceCBP]