Largest by population in Arizona
Arizona counties and cities ranked by population.
This page ranks the counties and cities of Arizona by population — which have the most people, according to the US Census Bureau's American Community Survey 5-year estimates.
Among counties, Maricopa County leads at 4,491,987.
Among cities & places, Phoenix leads at 1,624,832.
Counties
| # | Name | Population | |
|---|---|---|---|
| 1 | Maricopa County | 4,491,987 | |
| 2 | Pima County | 1,049,947 | |
| 3 | Pinal County | 449,219 | |
| 4 | Yavapai County | 241,656 | |
| 5 | Mohave County | 217,420 | |
| 6 | Yuma County | 207,685 | |
| 7 | Coconino County | 144,643 | |
| 8 | Cochise County | 125,458 | |
| 9 | Navajo County | 107,744 | |
| 10 | Apache County | 65,680 | |
| 11 | Gila County | 53,610 | |
| 12 | Santa Cruz County | 48,209 | |
| 13 | Graham County | 38,860 | |
| 14 | La Paz County | 16,605 | |
| 15 | Greenlee County | 9,452 |
Cities & places
Top 100.Nationwide
1Other rankings in Arizona
20- Most densely populated in Arizona
- Highest median household income in Arizona
- Highest median home value in Arizona
- Most affordable home values in Arizona
- Highest median gross rent in Arizona
- Cheapest median gross rent in Arizona
- Oldest by median age in Arizona
- Youngest by median age in Arizona
- Most college-educated in Arizona
- Highest poverty rate in Arizona
- Lowest poverty rate in Arizona
- Highest homeownership rate in Arizona
- Lowest homeownership rate in Arizona
- Longest commutes in Arizona
- Shortest commutes in Arizona
- Largest households in Arizona
- Newest housing in Arizona
- Oldest housing in Arizona
- Fastest-growing (2019–2023) in Arizona
- Fastest-shrinking (2019–2023) in Arizona