Valley Falls, KS -- U.S. city in Kansas Population (2000): 1254 Housing Units (2000): 521 Land area (2000): 0.745275 sq. miles (1.930253 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.745275 sq. miles (1.930253 sq. km) FIPS code: 73300 Located within: Kansas (KS), FIPS 20 Location: 39.342936 N, 95.460584 W ZIP Codes (1990): 66088 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Valley Falls, KS Valley Falls