Youngtown is a town in Maricopa County, Arizona, United States. According to 2008 Census Bureau and Arizona Department of Commerce estimates, the population of the town is 6,522. Youngtown is the nation's oldest retirement community. In 1954, two developers bought 320 acres (1.3 km2) of farmland & built the USA's first master-planned, adult community dedicated exclusively to retirees.
Youngtown is located at 33°35′41″N 112°17′56″W / 33.59472°N 112.29889°W / 33.59472; -112.29889 (33.594603, -112.298776), on the east bank of the Agua Fria River, just south of US 60, & bordered on the west by El Mirage, Arizona & on the east by the much larger retirement community of Sun City, Arizona.
According to the United States Census Bureau, the town has a total area of 1.3 square miles (3.4 km²), all of it land.