Cawthon, TexasCawthon is an unincorporated community in Brazos County, in the U.S. state of Texas. According to the Handbook of Texas, the community had a population of 75 in 2000. It is located within the Bryan-College Station metropolitan area.GeographyCawthon is located on Farm to Market Road 159, south of Millican and south of Bryan in southern Brazos County.EducationCawthon had its own school in 1948. Today, the community is served by the Navasota Independent School District.