Commerce, OK -- U.S. city in Oklahoma Population (2000): 2645 Housing Units (2000): 1079 Land area (2000): 0.818331 sq. miles (2.119467 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.818331 sq. miles (2.119467 sq. km) FIPS code: 16500 Located within: Oklahoma (OK), FIPS 40 Location: 36.933529 N, 94.871371 W ZIP Codes (1990): 74339 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Commerce, OK Commerce