Frankfort, KS -- U.S. city in Kansas Population (2000): 855 Housing Units (2000): 411 Land area (2000): 1.015258 sq. miles (2.629506 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.015258 sq. miles (2.629506 sq. km) FIPS code: 24275 Located within: Kansas (KS), FIPS 20 Location: 39.703810 N, 96.417925 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Frankfort, KS Frankfort