Cardwell, MO -- U.S. city in Missouri Population (2000): 789 Housing Units (2000): 387 Land area (2000): 0.633162 sq. miles (1.639882 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.633162 sq. miles (1.639882 sq. km) FIPS code: 11350 Located within: Missouri (MO), FIPS 29 Location: 36.047295 N, 90.292620 W ZIP Codes (1990): 63829 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Cardwell, MO Cardwell