Tempe is a city in Maricopa County, Arizona, USA, with a population of 169,712 according to 2006 Census Bureau estimates. Darrell Duppa is usually credited with suggesting the name, adopted in 1879, after comparing the Salt River valley near a 300-foot-tall butte, to the Vale of Tempe near Mount Olympus in Greece. Duppa also had the honor of giving name to Phoenix, 11 years earlier. Tempe is a major suburb of Phoenix and is located immediately southeast. Tempe apartments for rent comparison page shows most up to date rent information on Tempe apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.