Waldwick, NJ -- U.S. borough in New Jersey Population (2000): 9622 Housing Units (2000): 3495 Land area (2000): 2.084380 sq. miles (5.398520 sq. km) Water area (2000): 0.008435 sq. miles (0.021846 sq. km) Total area (2000): 2.092815 sq. miles (5.420366 sq. km) FIPS code: 76400 Located within: New Jersey (NJ), FIPS 34 Location: 41.013109 N, 74.122311 W ZIP Codes (1990): 07463 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Waldwick, NJ Waldwick