Arizona Counties by Population (2024)

Population

500K

1M

1.5M

2M

2.5M

3M

3.5M

4M

4.5M

Hover/click a county for data.
County
2024 Pop.
Change (2020)
Area (mi²)
Density (/mi²)
Location
Maricopa County4,615,9093.84%3.6K502Maricopa County location
Pima County1,068,8482.26%3.5K116Pima County location
Pinal County503,44117.03%2.1K94Pinal County location
Yavapai County251,9326.2%3.1K31Yavapai County location
Mohave County226,4595.73%5.1K17Mohave County location
Yuma County217,5685.79%2.1K39Yuma County location
Coconino County144,721-0.32%7.2K8Coconino County location
Cochise County123,793-1.38%2.4K20Cochise County location
Navajo County109,5502.61%3.8K11Navajo County location
Apache County64,539-2.08%4.3K6Apache County location
Gila County54,0841.37%1.8K11Gila County location
Santa Cruz County49,6364.03%47740Santa Cruz County location
Graham County40,2284.09%1.8K9Graham County location
La Paz County16,8851.91%1.7K4La Paz County location
Greenlee County9,411-1.23%7115Greenlee County location

Sources