Highlands, NJ -- U.S. borough in New Jersey Population (2000): 5097 Housing Units (2000): 2820 Land area (2000): 0.761973 sq. miles (1.973501 sq. km) Water area (2000): 0.560581 sq. miles (1.451897 sq. km) Total area (2000): 1.322554 sq. miles (3.425398 sq. km) FIPS code: 31500 Located within: New Jersey (NJ), FIPS 34 Location: 40.402308 N, 73.987982 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Highlands, NJ Highlands