RANKING · 2020 CENSUS · 15 SHOWN OF 15

Most uninsured people, Arizona counties · 2020

Arizona counties with the most residents lacking health insurance, as of the 2020 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 15 counties in Arizona that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Largest senior population Most unmarried people Most unmarried men

RANKPLACESTATEPOPUNINSURED RESIDENTSVS –

01Maricopa County, AZAZ4,689,558478,064–

02Pima County, AZAZ1,074,68590,650–

03Pinal County, AZAZ539,38037,001–

04Yuma County, AZAZ224,44925,719–

05Yavapai County, AZAZ252,55222,431–

06Mohave County, AZAZ228,10219,536–

07Apache County, AZAZ64,44518,578–

08Coconino County, AZAZ144,36815,646–

09Navajo County, AZAZ109,94614,500–

10Cochise County, AZAZ126,3329,231–

11Santa Cruz County, AZAZ50,0205,407–

12Gila County, AZAZ53,8015,355–

13La Paz County, AZAZ16,7112,786–

14Graham County, AZAZ40,1572,588–

15Greenlee County, AZAZ9,312286–

SHOWING 1–15 OF 15

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS