Easton, MO -- U.S. city in Missouri Population (2000): 258 Housing Units (2000): 107 Land area (2000): 0.605199 sq. miles (1.567457 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.605199 sq. miles (1.567457 sq. km) FIPS code: 21034 Located within: Missouri (MO), FIPS 29 Location: 39.722644 N, 94.639783 W ZIP Codes (1990): 64443 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Easton, MO Easton