Oneida, KS -- U.S. city in Kansas Population (2000): 70 Housing Units (2000): 36 Land area (2000): 0.231737 sq. miles (0.600197 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.231737 sq. miles (0.600197 sq. km) FIPS code: 52900 Located within: Kansas (KS), FIPS 20 Location: 39.865877 N, 95.938733 W ZIP Codes (1990): 66522 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Oneida, KS Oneida