Arizona Citizen Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen population for Arizona was 5,854,320 and represented 91.32% of the total Arizona population.

Among all Arizona counties, Maricopa had the highest citizen population (3.46M), followed by Pima (908.00K), and Pinal (343.86K).

In terms of percentages, Apache had the highest percentage of its population being citizens (99.01%), followed by Navajo (98.04%), and Gila (97.98%).

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 2012
Arizona Citizen Population By County in 2012
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County Citizen Population % of County Population
Maricopa 3457320 89.99
Pima 907995 92.55
Pinal 343860 93.35
Yavapai 203205 96.18
Mohave 193440 96.14
Yuma 166250 84.64
Coconino 129185 96.40
Cochise 122900 93.73
Navajo 105305 98.04
Apache 70910 99.01
Gila 52355 97.98
Santa Cruz 38850 82.56
Graham 35805 96.47
La Paz 18560 90.71
Greenlee 8370 97.44