Dallas Township is a township in north-central Gaston County, North Carolina, United States. As of the 2010 census it had a population of 21,436. It includes the incorporated towns of Dallas, High Shoals (a portion of which is in Cherryville Township), and Stanley (shared with Riverbend Township). It also includes small portions of the city of Gastonia and a small outlying portion of the town of Ranlo.