Lexington, OK -- U.S. city in Oklahoma Population (2000): 2086 Housing Units (2000): 842 Land area (2000): 2.130049 sq. miles (5.516802 sq. km) Water area (2000): 0.000674 sq. miles (0.001745 sq. km) Total area (2000): 2.130723 sq. miles (5.518547 sq. km) FIPS code: 42700 Located within: Oklahoma (OK), FIPS 40 Location: 35.015542 N, 97.333310 W ZIP Codes (1990): 73051 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lexington, OK Lexington