Population of Counties in Arizona (2018)

Name 2018 Population Growth Rate
Maricopa County4,233,38310.69%
Pima County1,012,5193.16%
Pinal County415,1159.38%
Yavapai County224,3636.35%
Yuma County205,4634.23%
Mohave County205,3852.53%
Coconino County140,0794.06%
Cochise County125,355-4.88%
Navajo County108,3220.58%
Apache County71,373-0.65%
Gila County53,297-0.51%
Santa Cruz County46,075-2.85%
Graham County37,7671.64%
La Paz County20,5230.15%
Greenlee County9,62315.49%