Liberal, MO -- U.S. city in Missouri Population (2000): 779 Housing Units (2000): 361 Land area (2000): 0.837014 sq. miles (2.167855 sq. km) Water area (2000): 0.006604 sq. miles (0.017103 sq. km) Total area (2000): 0.843618 sq. miles (2.184958 sq. km) FIPS code: 41906 Located within: Missouri (MO), FIPS 29 Location: 37.558860 N, 94.520546 W ZIP Codes (1990): 64762 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Liberal, MO Liberal