Loco, OK -- U.S. town in Oklahoma Population (2000): 150 Housing Units (2000): 82 Land area (2000): 0.262489 sq. miles (0.679844 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.262489 sq. miles (0.679844 sq. km) FIPS code: 43450 Located within: Oklahoma (OK), FIPS 40 Location: 34.328533 N, 97.680538 W ZIP Codes (1990): 73442 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Loco, OK Loco