Gypsum, KS -- U.S. city in Kansas Population (2000): 414 Housing Units (2000): 179 Land area (2000): 0.432824 sq. miles (1.121009 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.432824 sq. miles (1.121009 sq. km) FIPS code: 29250 Located within: Kansas (KS), FIPS 20 Location: 38.705118 N, 97.426876 W ZIP Codes (1990): 67448 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gypsum, KS Gypsum