Arizona Sun Corridor

Megaregion in Arizona, United States Megaregion in Arizona, United StatesArizona Sun CorridorMegaregionCounter-clockwise from top: Downtown Phoenix skyline, Downtown Tucson, Mesa City HallInteractive Map of Arizona Sun Corridor Megaregion Phoenix–Mesa–Chandler MSA Tucson MSA Prescott Valley–Prescott MSA Sierra Vista–Douglas MSA Payson µSA Nogales µSA Country United StatesState ArizonaPopulation (2010) • Total5,517,131 • Rank10th • 2040 Projection10,100,000 The Arizona Sun Corridor, shortened Sun Corridor, is a megaregion, or megapolitan area, in the southern area of the U.S. state of Arizona. It comprises approximately 85 percent of the state's population. The Sun Corridor is comparable to Indiana in both size and population. It is one of the fastest growing conurbations in the country. The largest metropolitan areas are the Phoenix metropolitan area (Valley of the Sun), and the Tucson metropolitan area (The Old Pueblo). The regions' populace is nestled in the valley of a desert environment. Similar to Southern California, the urban area extends into Mexico, reaching the communities of Heroica Nogales and Agua Prieta. Its population is composed of five metropolitan