Wellton Hills is a census-designated place in Yuma County, in the U.S. state of Arizona. The population was 258 at the 2010 census. Geography According to the U.S. Census Bureau, the community has an area of , all land. Wellton Hills is located across from the Barry M. Goldwater Air Force Range. Wellton Hills terrain consists of the Sonoran Desert. This range is both used by the Department of Defense for training purposes and is a major hub for illegal immigration. In 2012, a new $22 million Border Patrol facility was opened to combat this. Demographics References Census-designated places in Yuma County, Arizona Census-designated places in Arizona