Population of Counties in Arizona (2017)

Name 2017 Population Growth Rate
Maricopa County4,242,99710.91%
Pima County1,016,2063.49%
Pinal County418,54010.32%
Yavapai County225,5626.83%
Yuma County205,6314.34%
Mohave County205,2492.43%
Coconino County140,9084.67%
Cochise County125,770-4.58%
Navajo County110,0262.15%
Apache County73,1121.88%
Gila County53,5560.03%
Santa Cruz County45,985-3.00%
Graham County37,5991.24%
La Paz County20,317-0.65%
Greenlee County9,61315.29%