Englewood Cliffs, New Jersey, United States [Borough]; population was 5,634 in 1990; housing units was 1,879 in 1990; location is 40°53'N 73°57'W; land area is 2.09 square miles (1,340 acres); water area is 1.28 square miles (818 acres); FIPS code is 21510 [SourceCBP]