Haddon Heights, New Jersey, United States [Borough]; population was 7,860 in 1990; housing units was 3,154 in 1990; location is 39°53'N 75°4'W; land area is 1.56 square miles (996 acres); water area is 0.00 square miles (2 acres); FIPS code is 28800 [SourceCBP]