Newton, NJ -- U.S. town in New Jersey Population (2000): 8244 Housing Units (2000): 3425 Land area (2000): 3.097314 sq. miles (8.022006 sq. km) Water area (2000): 0.005567 sq. miles (0.014419 sq. km) Total area (2000): 3.102881 sq. miles (8.036425 sq. km) FIPS code: 51930 Located within: New Jersey (NJ), FIPS 34 Location: 41.054683 N, 74.756086 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Newton, NJ Newton