Wellington, MO -- U.S. city in Missouri Population (2000): 784 Housing Units (2000): 361 Land area (2000): 1.098102 sq. miles (2.844072 sq. km) Water area (2000): 0.026560 sq. miles (0.068790 sq. km) Total area (2000): 1.124662 sq. miles (2.912862 sq. km) FIPS code: 78352 Located within: Missouri (MO), FIPS 29 Location: 39.133360 N, 93.985049 W ZIP Codes (1990): 64097 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Wellington, MO Wellington