Wathena, KS -- U.S. city in Kansas Population (2000): 1348 Housing Units (2000): 566 Land area (2000): 1.951790 sq. miles (5.055113 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.951790 sq. miles (5.055113 sq. km) FIPS code: 76000 Located within: Kansas (KS), FIPS 20 Location: 39.762161 N, 94.948117 W ZIP Codes (1990): 66090 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Wathena, KS Wathena