Ranking of Arizona Counties By Population in 2019

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2019, the Population for Arizona was 7.29M. Among all Arizona counties, Maricopa County had the highest population (4.49M), followed by Pima County (1.05M), and Pinal County (461.64K).

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 2019
Maricopa
Pima
Pinal
Yavapai
Yuma
Mohave
Coconino
Cochise
Navajo
Apache
Ranking of Arizona Counties By Population in 2019
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Rank County Population
1 Maricopa County 4492261
2 Pima County 1049261
3 Pinal County 461640
4 Yavapai County 236062
5 Yuma County 214182
6 Mohave County 213846
7 Coconino County 143967
8 Cochise County 127248
9 Navajo County 111037
10 Apache County 71920
11 Gila County 54077
12 Santa Cruz County 46728
13 Graham County 38890
14 La Paz County 21257
15 Greenlee County 9467