Russelltown, TexasRusselltown is an unincorporated community in Cameron County, Texas, United States. It is located within the Rio Grande Valley and the Brownsville-Harlingen metropolitan area.EducationRusselltown had its own school in 1947. Today, the community is served by the Brownsville Independent [School District]. Children in the community attend Villa Nueva Elementary School, Stillman Middle School, and Veterans Memorial Early College High School.