Fort Towson, OK -- U.S. town in Oklahoma Population (2000): 611 Housing Units (2000): 319 Land area (2000): 5.567259 sq. miles (14.419133 sq. km) Water area (2000): 0.371263 sq. miles (0.961566 sq. km) Total area (2000): 5.938522 sq. miles (15.380699 sq. km) FIPS code: 27400 Located within: Oklahoma (OK), FIPS 40 Location: 34.020042 N, 95.279374 W ZIP Codes (1990): 74735 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Fort Towson, OK Fort Towson