Ranking of Arizona Counties By Population in 2015

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2015, the Population for Arizona was 6.83M. Among all Arizona counties, Maricopa County had the highest population (4.17M), followed by Pima County (1.01M), and Pinal County (405.92K).

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 2015
Maricopa
Pima
Pinal
Yavapai
Yuma
Mohave
Coconino
Cochise
Navajo
Apache
Ranking of Arizona Counties By Population in 2015
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Rank County Population
1 Maricopa County 4174423
2 Pima County 1009490
3 Pinal County 405922
4 Yavapai County 221019
5 Yuma County 205187
6 Mohave County 204890
7 Coconino County 139100
8 Cochise County 126594
9 Navajo County 107695
10 Apache County 71026
11 Gila County 53020
12 Santa Cruz County 46493
13 Graham County 37888
14 La Paz County 20476
15 Greenlee County 9587