Tucson is the seat of Pima County, Arizona, United States, located 118 miles southeast of Phoenix and 60 miles north of the Mexican border. As of July 1, 2006, a Census Bureau estimate puts the city's population at 518,956, with a metropolitan area population at 946,362. In 2005, Tucson ranked as the 32nd-largest city and 52nd-largest metropolitan area in the U.S. It is the largest city in southern Arizona and the second largest in the state. Tucson is the site of the flagship school of the state university system, the University of Arizona. Major incorporated suburbs of Tucson include Oro Valley and Marana northwest of the city, South Tucson, and Sahuarita south of the city. Communities in the vicinity of Tucson include Casas Adobes, Catalina, Catalina Foothills, Flowing Wells, Green Valley, Marana, Tanque Verde, New Pascua, and Vail. Tucson apartments for rent comparison page shows most up to date rent information on Tucson apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.