La Paz, created in 1983.
The youngest county is Mingo County formed in 1895.
No, Mineral is the youngest county in Nevada.
Mingo County
Mineral County
Tempe is in Maricopa County, Arizona.
Nogales is a city in Arizona. Navajo County is a county in Arizona.
The most southwestern county in Arizona?
Maricopa County home of the Phoenix area is the most populated county in Arizona.
Pah-Ute County Arizona, most of which was transferred to Nevada to become Clark County.
It is in Yavapai County.
Maricopa County.
Yuma County.