Arizona Citizen Population By County in 2016 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2016, the citizen population for Arizona was 6,192,375 and represented 92.03% of the total Arizona population.

Among all Arizona counties, Maricopa had the highest citizen population (3.72M), followed by Pima (933.63K), and Pinal (373.46K).

In terms of percentages, Apache had the highest percentage of its population being citizens (98.77%), followed by Navajo (98.29%), and Gila (97.81%).

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 2016
Arizona Citizen Population By County in 2016
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County Citizen Population % of County Population
Maricopa 3718460 90.95
Pima 933625 93.05
Pinal 373460 93.93
Yavapai 210665 96.38
Mohave 195735 96.12
Yuma 171445 84.34
Coconino 134170 97.18
Cochise 120980 94.39
Navajo 106360 98.29
Apache 71455 98.77
Gila 52015 97.81
Santa Cruz 40030 86.00
Graham 36380 96.94
La Paz 18630 91.75
Greenlee 8965 97.18