Ranking of Arizona Counties By Population in 2022

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2022, the Population for Arizona was 7.38M. Among all Arizona counties, Maricopa County had the highest population (4.56M), followed by Pima County (1.06M), and Pinal County (465.48K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Arizona counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Arizona Counties By Population in 2022
Maricopa
Pima
Pinal
Yavapai
Mohave
Yuma
Coconino
Cochise
Navajo
Apache
Ranking of Arizona Counties By Population in 2022
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Rank County Population
1 Maricopa County 4564457
2 Pima County 1059412
3 Pinal County 465476
4 Yavapai County 246266
5 Mohave County 220947
6 Yuma County 209538
7 Coconino County 144326
8 Cochise County 125497
9 Navajo County 108771
10 Apache County 65470
11 Gila County 53927
12 Santa Cruz County 48801
13 Graham County 38802
14 La Paz County 16555
15 Greenlee County 9321