Data / Rankings / Uninsured rate, ages 35 to 64 (US, ACS) / Counties in Wyoming

Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS)

Big Horn County had the highest uninsured rate, ages 35 to 64 (US, ACS) of 23 counties in 2021, at 26.7%. Albany County had the lowest, at 7.6%. The median was 14.4% and the figure for Wyoming was 13.6%. Source: the U.S. Census Bureau.

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Highest26.7Big Horn County
Lowest7.6Albany County
Median14.423 counties
Wyoming13.6History

Map of counties, 2021

Albany County: 7.6 %Big Horn County: 26.7 %Campbell County: 12.2 %Carbon County: 12.2 %Converse County: 11.1 %Crook County: 10 %Fremont County: 21.3 %Goshen County: 12 %Hot Springs County: 18.9 %Johnson County: 16.2 %Laramie County: 10.3 %Lincoln County: 14.8 %Natrona County: 13 %Niobrara County: 18.6 %Park County: 14.4 %Platte County: 18.1 %Sheridan County: 15.2 %Sublette County: 14.4 %Sweetwater County: 14.7 %Teton County: 10.7 %Uinta County: 14.7 %Washakie County: 18.5 %Weston County: 13.7 %
  • Under 11
  • 11 to 14
  • 14 to 15
  • 15 to 18
  • 18 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Big Horn County: 26.7 %Big Horn County26.7Fremont County: 21.3 %Fremont County21.3Hot Springs County: 18.9 %Hot Springs County18.9Niobrara County: 18.6 %Niobrara County18.6Washakie County: 18.5 %Washakie County18.5Platte County: 18.1 %Platte County18.1Johnson County: 16.2 %Johnson County16.2Sheridan County: 15.2 %Sheridan County15.2Lincoln County: 14.8 %Lincoln County14.8Uinta County: 14.7 %Uinta County14.7Sweetwater County: 14.7 %Sweetwater County14.7Sublette County: 14.4 %Sublette County14.4Park County: 14.4 %Park County14.4Weston County: 13.7 %Weston County13.7Natrona County: 13 %Natrona County13Campbell County: 12.2 %Campbell County12.2Carbon County: 12.2 %Carbon County12.2Goshen County: 12 %Goshen County12Converse County: 11.1 %Converse County11.1Teton County: 10.7 %Teton County10.7Laramie County: 10.3 %Laramie County10.3Crook County: 10 %Crook County10Albany County: 7.6 %Albany County7.6Big Horn County: 26.7 %Big Horn County26.7Fremont County: 21.3 %Fremont County21.3Hot Springs County: 18.9 %Hot Springs County18.9Niobrara County: 18.6 %Niobrara County18.6Washakie County: 18.5 %Washakie County18.5Platte County: 18.1 %Platte County18.1Johnson County: 16.2 %Johnson County16.2Sheridan County: 15.2 %Sheridan County15.2Lincoln County: 14.8 %Lincoln County14.8Uinta County: 14.7 %Uinta County14.7Sweetwater County: 14.7 %Sweetwater County14.7Sublette County: 14.4 %Sublette County14.4Park County: 14.4 %Park County14.4Weston County: 13.7 %Weston County13.7Natrona County: 13 %Natrona County13Campbell County: 12.2 %Campbell County12.2Carbon County: 12.2 %Carbon County12.2Goshen County: 12 %Goshen County12Converse County: 11.1 %Converse County11.1Teton County: 10.7 %Teton County10.7Laramie County: 10.3 %Laramie County10.3Crook County: 10 %Crook County10Albany County: 7.6 %Albany County7.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Big Horn County26.7
2Fremont County21.3
3Hot Springs County18.9
4Niobrara County18.6
5Washakie County18.5
6Platte County18.1
7Johnson County16.2
8Sheridan County15.2
9Lincoln County14.8
10Uinta County14.7
11Sweetwater County14.7
12Sublette County14.4
13Park County14.4
14Weston County13.7
15Natrona County13
16Campbell County12.2
17Carbon County12.2
18Goshen County12
19Converse County11.1
20Teton County10.7
21Laramie County10.3
22Crook County10
23Albany County7.6

Other periods

About this ranking

People aged 35 to 64 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 35 to 64. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs (Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wyoming_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Wyoming by uninsured rate, ages 35 to 64 (US, ACS), 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/wyoming-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 35 to 64 (US, ACS)?

Big Horn County, with 26.7% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 35 to 64 (US, ACS)?

Albany County, with 7.6% 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, American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 35 to 64 (US, ACS): other rankings

Counties in Wyoming: more rankings