Data / Rankings / Uninsured rate, under 65 (US model-based estimate) / Counties in Arizona

Counties in Arizona by uninsured rate, under 65 (US model-based estimate)

La Paz County had the highest uninsured rate, under 65 (US model-based estimate) of 15 counties in 2021, at 20.4%. Greenlee County had the lowest, at 10.5%. The median was 14.3% and the figure for Arizona was 13.1%. Source: the U.S. Census Bureau.

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Highest20.4La Paz County
Lowest10.5Greenlee County
Median14.315 counties
Arizona13.1History

Map of counties, 2021

Apache County: 16.5 %Cochise County: 11.9 %Coconino County: 14.3 %Gila County: 16 %Graham County: 13.5 %Greenlee County: 10.5 %La Paz County: 20.4 %Maricopa County: 12.7 %Mohave County: 14.2 %Navajo County: 17 %Pima County: 12.2 %Pinal County: 13.2 %Santa Cruz County: 17.9 %Yavapai County: 15.3 %Yuma County: 19.5 %
  • Under 13
  • 13 to 14
  • 14 to 16
  • 16 to 17
  • 17 and over
%, 2021. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

La Paz County: 20.4 %La Paz County20.4Yuma County: 19.5 %Yuma County19.5Santa Cruz County: 17.9 %Santa Cruz County17.9Navajo County: 17 %Navajo County17Apache County: 16.5 %Apache County16.5Gila County: 16 %Gila County16Yavapai County: 15.3 %Yavapai County15.3Coconino County: 14.3 %Coconino County14.3Mohave County: 14.2 %Mohave County14.2Graham County: 13.5 %Graham County13.5Pinal County: 13.2 %Pinal County13.2Maricopa County: 12.7 %Maricopa County12.7Pima County: 12.2 %Pima County12.2Cochise County: 11.9 %Cochise County11.9Greenlee County: 10.5 %Greenlee County10.5La Paz County: 20.4 %La Paz County20.4Yuma County: 19.5 %Yuma County19.5Santa Cruz County: 17.9 %Santa Cruz County17.9Navajo County: 17 %Navajo County17Apache County: 16.5 %Apache County16.5Gila County: 16 %Gila County16Yavapai County: 15.3 %Yavapai County15.3Coconino County: 14.3 %Coconino County14.3Mohave County: 14.2 %Mohave County14.2Graham County: 13.5 %Graham County13.5Pinal County: 13.2 %Pinal County13.2Maricopa County: 12.7 %Maricopa County12.7Pima County: 12.2 %Pima County12.2Cochise County: 11.9 %Cochise County11.9Greenlee County: 10.5 %Greenlee County10.5
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)Change on 2020
1La Paz County20.4+0.6 pts
2Yuma County19.5+2.1 pts
3Santa Cruz County17.9-1.3 pts
4Navajo County17+0.6 pts
5Apache County16.5-2.1 pts
6Gila County16+2.1 pts
7Yavapai County15.3+1.5 pts
8Coconino County14.3-1.4 pts
9Mohave County14.2-0.3 pts
10Graham County13.5-0.9 pts
11Pinal County13.2+0.3 pts
12Maricopa County12.7-0.6 pts
13Pima County12.20 pts
14Cochise County11.9-0.9 pts
15Greenlee County10.5-0.2 pts

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. People 65 and over are left out because nearly all of them have Medicare.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties (Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_arizona_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Arizona by uninsured rate, under 65 (US model-based estimate), 2021
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/arizona-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Retrieved 2026-10-12.
ER  -
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Rank Counties in Arizona by uninsured rate, under 65 (US model-based estimate) using official data, and cite the source.
rank_places {"indicator":"uninsured_rate_under_65","level":"province","within":"Arizona","limit":10}
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Questions

Which county has the highest uninsured rate, under 65 (US model-based estimate)?

La Paz County, with 20.4% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

Greenlee County, with 10.5% in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 65 (US model-based estimate): other rankings

Counties in Arizona: more rankings