Grayson, OK -- U.S. town in Oklahoma Population (2000): 134 Housing Units (2000): 57 Land area (2000): 1.117009 sq. miles (2.893041 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.117009 sq. miles (2.893041 sq. km) FIPS code: 31150 Located within: Oklahoma (OK), FIPS 40 Location: 35.505738 N, 95.872362 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Grayson, OK Grayson