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)

La Paz County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 15 counties in 2015, at 23.4%. Greenlee County had the lowest, at 8.1%. The median was 15% and the figure for Arizona was 14.6%. Source: the U.S. Census Bureau.

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Highest23.4La Paz County
Lowest8.1Greenlee County
Median1515 counties
Arizona14.6History

Map of counties, 2015

Apache County: 20.3 %Cochise County: 12 %Coconino County: 16.5 %Gila County: 15 %Graham County: 13.2 %Greenlee County: 8.1 %La Paz County: 23.4 %Maricopa County: 14.3 %Mohave County: 15.6 %Navajo County: 18.3 %Pima County: 13.8 %Pinal County: 14.5 %Santa Cruz County: 17.2 %Yavapai County: 14.4 %Yuma County: 20.5 %
  • Under 14
  • 14 to 16
  • 16 to 19
  • 19 and over
%, 2015. 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, 2015

La Paz County: 23.4 %La Paz County23.4Yuma County: 20.5 %Yuma County20.5Apache County: 20.3 %Apache County20.3Navajo County: 18.3 %Navajo County18.3Santa Cruz County: 17.2 %Santa Cruz County17.2Coconino County: 16.5 %Coconino County16.5Mohave County: 15.6 %Mohave County15.6Gila County: 15 %Gila County15Pinal County: 14.5 %Pinal County14.5Yavapai County: 14.4 %Yavapai County14.4Maricopa County: 14.3 %Maricopa County14.3Pima County: 13.8 %Pima County13.8Graham County: 13.2 %Graham County13.2Cochise County: 12 %Cochise County12Greenlee County: 8.1 %Greenlee County8.1La Paz County: 23.4 %La Paz County23.4Yuma County: 20.5 %Yuma County20.5Apache County: 20.3 %Apache County20.3Navajo County: 18.3 %Navajo County18.3Santa Cruz County: 17.2 %Santa Cruz County17.2Coconino County: 16.5 %Coconino County16.5Mohave County: 15.6 %Mohave County15.6Gila County: 15 %Gila County15Pinal County: 14.5 %Pinal County14.5Yavapai County: 14.4 %Yavapai County14.4Maricopa County: 14.3 %Maricopa County14.3Pima County: 13.8 %Pima County13.8Graham County: 13.2 %Graham County13.2Cochise County: 12 %Cochise County12Greenlee County: 8.1 %Greenlee County8.1
%. 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

RankCounties2015 (%)Change on 2014
1La Paz County23.4-3 pts
2Yuma County20.5-2.2 pts
3Apache County20.3-5.1 pts
4Navajo County18.3-4 pts
5Santa Cruz County17.2-6.3 pts
6Coconino County16.5-3.8 pts
7Mohave County15.6-5.7 pts
8Gila County15-4.9 pts
9Pinal County14.5-2.3 pts
10Yavapai County14.4-4.9 pts
11Maricopa County14.3-3.9 pts
12Pima County13.8-4.2 pts
13Graham County13.2-4 pts
14Cochise County12-3.7 pts
15Greenlee County8.1-4 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-2015-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), 2015) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-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), 2015. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015. 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), 2015. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015.

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), 2015 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_arizona_by_2015,
  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), 2015}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2015-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015. 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-2015-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), 2015
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-2015-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/arizona-counties?period=2015.
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-2015-csv.zip. Retrieved 2026-10-12.
ER  -
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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)?

La Paz County, with 23.4% in 2015, 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 8.1% in 2015.

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