Wyatt, MO -- U.S. city in Missouri Population (2000): 364 Housing Units (2000): 185 Land area (2000): 1.149527 sq. miles (2.977261 sq. km) Water area (2000): 0.073540 sq. miles (0.190468 sq. km) Total area (2000): 1.223067 sq. miles (3.167729 sq. km) FIPS code: 81178 Located within: Missouri (MO), FIPS 29 Location: 36.919150 N, 89.209960 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Wyatt, MO Wyatt