2019-6-26 · Tempe (/ t ɛ m ˈ p iː / tem-PEE'; Oidbaḍ in O'odham), is a city in Maricopa County, Arizona, United States, with the Census Bureau reporting a 2017 population of 185,038. The city is named after the Vale of Tempe in Greece.Tempe is located in the East Valley section of metropolitan Phoenix; it is bordered by Phoenix and Guadalupe on the west, Scottsdale and the Salt River Pima–Maricopa ...