Mound Valley, KS -- U.S. city in Kansas Population (2000): 418 Housing Units (2000): 190 Land area (2000): 0.656727 sq. miles (1.700915 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.656727 sq. miles (1.700915 sq. km) FIPS code: 48825 Located within: Kansas (KS), FIPS 20 Location: 37.206173 N, 95.404231 W ZIP Codes (1990): 67354 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mound Valley, KS Mound Valley