Ho-Ho-Kus, New Jersey, United States [Borough]; population was 3,935 in 1990; housing units was 1,448 in 1990; location is 40°60'N 74°6'W; land area is 1.75 square miles (1,119 acres); water area is 0.01 square miles (5 acres); FIPS code is 32310 [SourceCBP]