Tavistock, NJ -- U.S. borough in New Jersey Population (2000): 24 Housing Units (2000): 7 Land area (2000): 0.254436 sq. miles (0.658986 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.254436 sq. miles (0.658986 sq. km) FIPS code: 72240 Located within: New Jersey (NJ), FIPS 34 Location: 39.873846 N, 75.021546 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Tavistock, NJ Tavistock