Arizona Citizen Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen population for Arizona was 5,651,770 and represented 90.47% of the total Arizona population.

Among all Arizona counties, Maricopa had the highest citizen population (3.34M), followed by Pima (886.27K), and Pinal (305.91K).

In terms of percentages, Apache had the highest percentage of its population being citizens (98.98%), followed by Navajo (98.20%), and Gila (98.12%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

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Arizona Citizen Population By County in 2010
Arizona Citizen Population By County in 2010
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County Citizen Population % of County Population
Maricopa 3337390 88.96
Pima 886265 91.89
Pinal 305910 92.90
Yavapai 199710 95.44
Mohave 192150 96.47
Yuma 157295 82.56
Coconino 126430 95.91
Cochise 120965 93.58
Navajo 105135 98.20
Apache 69595 98.98
Gila 52270 98.12
Santa Cruz 37170 80.72
Graham 34760 96.48
La Paz 18635 90.68
Greenlee 8090 97.24