Johnson, OK -- U.S. town in Oklahoma Population (2000): 223 Housing Units (2000): 105 Land area (2000): 3.946713 sq. miles (10.221939 sq. km) Water area (2000): 0.003788 sq. miles (0.009812 sq. km) Total area (2000): 3.950501 sq. miles (10.231751 sq. km) FIPS code: 38200 Located within: Oklahoma (OK), FIPS 40 Location: 35.417703 N, 96.832953 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Johnson, OK Johnson