Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Arizona

Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024

Santa Cruz County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 15 counties in 2024, at 22%. Greenlee County had the lowest, at 10.6%. The median was 15.1% and the figure for Arizona was 14.2%. Source: the U.S. Census Bureau.

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Highest22Santa Cruz County
Lowest10.6Greenlee County
Median15.115 counties
Arizona14.2History

Map of counties, 2024

Apache County: 15.7 %Cochise County: 13.2 %Coconino County: 14.7 %Gila County: 16 %Graham County: 13.2 %Greenlee County: 10.6 %La Paz County: 19.9 %Maricopa County: 13.9 %Mohave County: 15.1 %Navajo County: 17.4 %Pima County: 13 %Pinal County: 15 %Santa Cruz County: 22 %Yavapai County: 16.1 %Yuma County: 18.5 %
  • Under 13
  • 13 to 15
  • 15 to 16
  • 16 to 18
  • 18 and over
%, 2024. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Santa Cruz County: 22 %Santa Cruz County22La Paz County: 19.9 %La Paz County19.9Yuma County: 18.5 %Yuma County18.5Navajo County: 17.4 %Navajo County17.4Yavapai County: 16.1 %Yavapai County16.1Gila County: 16 %Gila County16Apache County: 15.7 %Apache County15.7Mohave County: 15.1 %Mohave County15.1Pinal County: 15 %Pinal County15Coconino County: 14.7 %Coconino County14.7Maricopa County: 13.9 %Maricopa County13.9Cochise County: 13.2 %Cochise County13.2Graham County: 13.2 %Graham County13.2Pima County: 13 %Pima County13Greenlee County: 10.6 %Greenlee County10.6Santa Cruz County: 22 %Santa Cruz County22La Paz County: 19.9 %La Paz County19.9Yuma County: 18.5 %Yuma County18.5Navajo County: 17.4 %Navajo County17.4Yavapai County: 16.1 %Yavapai County16.1Gila County: 16 %Gila County16Apache County: 15.7 %Apache County15.7Mohave County: 15.1 %Mohave County15.1Pinal County: 15 %Pinal County15Coconino County: 14.7 %Coconino County14.7Maricopa County: 13.9 %Maricopa County13.9Cochise County: 13.2 %Cochise County13.2Graham County: 13.2 %Graham County13.2Pima County: 13 %Pima County13Greenlee County: 10.6 %Greenlee County10.6
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Santa Cruz County22+0.2 pts
2La Paz County19.9+1.3 pts
3Yuma County18.5-1.4 pts
4Navajo County17.4+0.9 pts
5Yavapai County16.1+0.9 pts
6Gila County16+0.4 pts
7Apache County15.7+0.1 pts
8Mohave County15.1-0.8 pts
9Pinal County15+0.6 pts
10Coconino County14.7+2.1 pts
11Maricopa County13.9+0.6 pts
12Cochise County13.2-1.6 pts
12Graham County13.2-1.6 pts
14Pima County13-0.2 pts
15Greenlee County10.6-0.4 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. 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. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-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, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_arizona_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate), 2024
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-2024-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2024-csv.zip. Retrieved 2026-10-12.
ER  -
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Rank Counties in Arizona by uninsured rate, ages 18 to 64 (US model-based estimate) using official data, and cite the source.
rank_places {"indicator":"uninsured_rate_18_64","level":"province","within":"Arizona","limit":10}
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Santa Cruz County, with 22% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Greenlee County, with 10.6% in 2024.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Arizona: more rankings