New Hampton, MO -- U.S. city in Missouri Population (2000): 349 Housing Units (2000): 170 Land area (2000): 0.696233 sq. miles (1.803236 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.696233 sq. miles (1.803236 sq. km) FIPS code: 51860 Located within: Missouri (MO), FIPS 29 Location: 40.263730 N, 94.194621 W ZIP Codes (1990): 64471 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: New Hampton, MO New Hampton