Bethany, OK -- U.S. city in Oklahoma Population (2000): 20307 Housing Units (2000): 8874 Land area (2000): 5.211342 sq. miles (13.497313 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 5.211342 sq. miles (13.497313 sq. km) FIPS code: 05700 Located within: Oklahoma (OK), FIPS 40 Location: 35.504607 N, 97.638818 W ZIP Codes (1990): 73008 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Bethany, OK Bethany