The U.S. Census Bureau defines rural areas as any population, housing, and territory that’s not within an urbanized area. 

List of Rural Areas in Arizona:

Apache County Cochise County Coconino County Gila County Graham County Greenlee County La Paz County Mohave County Navajo County Pinal County Santa Cruz County Yavapai County Yuma County Rural community within Maricopa County* Rural community within Pima County*