Newton, MA -- U.S. city in Massachusetts Population (2000): 83829 Housing Units (2000): 32112 Land area (2000): 18.052725 sq. miles (46.756342 sq. km) Water area (2000): 0.149214 sq. miles (0.386463 sq. km) Total area (2000): 18.201939 sq. miles (47.142805 sq. km) FIPS code: 45560 Located within: Massachusetts (MA), FIPS 25 Location: 42.337713 N, 71.209936 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Newton, MA Newton