Ranking of Arizona Counties By Population in 2023

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2023, the Population for Arizona was 7.47M. Among all Arizona counties, Maricopa County had the highest population (4.62M), followed by Pima County (1.07M), and Pinal County (486.40K).

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 2023
Maricopa
Pima
Pinal
Yavapai
Mohave
Yuma
Coconino
Cochise
Navajo
Apache
Ranking of Arizona Counties By Population in 2023
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Rank County Population
1 Maricopa County 4615625
2 Pima County 1068579
3 Pinal County 486395
4 Yavapai County 249499
5 Mohave County 223801
6 Yuma County 215448
7 Coconino County 144934
8 Cochise County 124881
9 Navajo County 109281
10 Apache County 65121
11 Gila County 54060
12 Santa Cruz County 49647
13 Graham County 39561
14 La Paz County 16812
15 Greenlee County 9383