Ranking of Arizona Counties By Number of People and Percentage of Population With No Health Insurance Coverage in 2021 (ACS-5Yrs)

Updated on October 27, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Arizona population without a health insurance coverage was 10.66% (i.e. 743,344 people). Percentagewise, among all Arizona counties, Apache County had the highest percentage of its population with no health insurance coverage (26.84%), followed by Navajo County (14.46%), and La Paz County (14.37%).

In numerical terms, Maricopa County had the highest number of people without a health insurance coverage (472,661), followed by Pima County (90,680), and Pinal County (36,523).

The charts below shows the top 10 counties by the number of people and percentage of the population without a health insurance coverage. The tables below shows the ranking for all Arizona counties.

You can see similar information for other types of health insurance coverages.

You can also see similar information for other states.

Ranking of Arizona Counties By Percentage of Population With No Health Insurance Coverage in 2021
Apache County
Navajo County
La Paz County
Yuma County
Santa Cruz County
Maricopa County
Coconino County
Yavapai County
Mohave County
Gila County
Ranking of Arizona Counties By Number of People With No Health Insurance Coverage in 2021
Maricopa County
Pima County
Pinal County
Yuma County
Yavapai County
Mohave County
Apache County
Coconino County
Navajo County
Cochise County
Ranking of Arizona Counties By Percentage of Population With No Health Insurance Coverage in 2021
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Rank County Percentage of Population (%)
1 Apache County 26.84
2 Navajo County 14.46
3 La Paz County 14.37
4 Yuma County 13.07
5 Santa Cruz County 12.09
6 Maricopa County 10.90
7 Coconino County 10.86
8 Yavapai County 10.62
9 Mohave County 9.40
10 Gila County 9.22
11 Pinal County 9.16
12 Pima County 8.95
13 Graham County 8.10
14 Cochise County 7.88
15 Greenlee County 2.44
Ranking of Arizona Counties By Number of People With NO Health Insurance Coverage in 2021
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Rank County Number of People
1 Maricopa County 472661
2 Pima County 90680
3 Pinal County 36523
4 Yuma County 25526
5 Yavapai County 24696
6 Mohave County 19589
7 Apache County 17663
8 Coconino County 15670
9 Navajo County 15074
10 Cochise County 9244
11 Santa Cruz County 5711
12 Gila County 4827
13 Graham County 2846
14 La Paz County 2402
15 Greenlee County 232