Warwick, OK -- U.S. town in Oklahoma Population (2000): 235 Housing Units (2000): 94 Land area (2000): 2.741299 sq. miles (7.099932 sq. km) Water area (2000): 0.026198 sq. miles (0.067853 sq. km) Total area (2000): 2.767497 sq. miles (7.167785 sq. km) FIPS code: 78650 Located within: Oklahoma (OK), FIPS 40 Location: 35.685847 N, 97.007987 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Warwick, OK Warwick