Oak Hill, KS -- U.S. city in Kansas Population (2000): 35 Housing Units (2000): 20 Land area (2000): 0.048010 sq. miles (0.124346 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.048010 sq. miles (0.124346 sq. km) FIPS code: 51700 Located within: Kansas (KS), FIPS 20 Location: 39.246477 N, 97.342351 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Oak Hill, KS Oak Hill