Simpson, KS -- U.S. city in Kansas Population (2000): 114 Housing Units (2000): 58 Land area (2000): 0.239830 sq. miles (0.621156 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.239830 sq. miles (0.621156 sq. km) FIPS code: 65650 Located within: Kansas (KS), FIPS 20 Location: 39.384460 N, 97.932291 W ZIP Codes (1990): 67478 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Simpson, KS Simpson