Udall, KS -- U.S. city in Kansas Population (2000): 794 Housing Units (2000): 322 Land area (2000): 0.482479 sq. miles (1.249614 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.482479 sq. miles (1.249614 sq. km) FIPS code: 71950 Located within: Kansas (KS), FIPS 20 Location: 37.386991 N, 97.117808 W ZIP Codes (1990): 67146 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Udall, KS Udall