Atlantic Highlands, New Jersey, United States [Borough]; population was 4,629 in 1990; housing units was 1,932 in 1990; location is 40°25'N 74°1'W; land area is 1.24 square miles (796 acres); water area is 3.27 square miles (2,094 acres); FIPS code is 2110 [SourceCBP]