Walnut Bend, TexasWalnut Bend is an unincorporated community in Cooke County, Texas, United States. According to the Handbook of Texas, the community had a population of 59 in 2000. It is located within the Dallas-Fort Worth Metroplex.EducationWalnut Bend is served by the Walnut Bend Independent School District. High school students in the area attend Callisburg High School in the Callisburg Independent School District.