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

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

Fremont County had the highest uninsured rate, under 65 (US model-based estimate) of 23 counties in 2020, at 19.8%. Johnson County had the lowest, at 11.5%. The median was 14.5% and the figure for Wyoming was 14.1%. Source: the U.S. Census Bureau.

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Highest19.8Fremont County
Lowest11.5Johnson County
Median14.523 counties
Wyoming14.1History

Map of counties, 2020

Albany County: 12.7 %Big Horn County: 16.9 %Campbell County: 13 %Carbon County: 17.4 %Converse County: 13.8 %Crook County: 15.7 %Fremont County: 19.8 %Goshen County: 15 %Hot Springs County: 15.7 %Johnson County: 11.5 %Laramie County: 12.4 %Lincoln County: 16.7 %Natrona County: 13.2 %Niobrara County: 18.6 %Park County: 13.9 %Platte County: 15.3 %Sheridan County: 14 %Sublette County: 15.4 %Sweetwater County: 13.8 %Teton County: 14.5 %Uinta County: 13.9 %Washakie County: 15.9 %Weston County: 13.1 %
  • Under 13
  • 13 to 14
  • 14 to 15
  • 15 to 16
  • 16 and over
%, 2020. 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, 2020

Fremont County: 19.8 %Fremont County19.8Niobrara County: 18.6 %Niobrara County18.6Carbon County: 17.4 %Carbon County17.4Big Horn County: 16.9 %Big Horn County16.9Lincoln County: 16.7 %Lincoln County16.7Washakie County: 15.9 %Washakie County15.9Crook County: 15.7 %Crook County15.7Hot Springs County: 15.7 %Hot Springs County15.7Sublette County: 15.4 %Sublette County15.4Platte County: 15.3 %Platte County15.3Goshen County: 15 %Goshen County15Teton County: 14.5 %Teton County14.5Sheridan County: 14 %Sheridan County14Park County: 13.9 %Park County13.9Uinta County: 13.9 %Uinta County13.9Converse County: 13.8 %Converse County13.8Sweetwater County: 13.8 %Sweetwater County13.8Natrona County: 13.2 %Natrona County13.2Weston County: 13.1 %Weston County13.1Campbell County: 13 %Campbell County13Albany County: 12.7 %Albany County12.7Laramie County: 12.4 %Laramie County12.4Johnson County: 11.5 %Johnson County11.5Fremont County: 19.8 %Fremont County19.8Niobrara County: 18.6 %Niobrara County18.6Carbon County: 17.4 %Carbon County17.4Big Horn County: 16.9 %Big Horn County16.9Lincoln County: 16.7 %Lincoln County16.7Washakie County: 15.9 %Washakie County15.9Crook County: 15.7 %Crook County15.7Hot Springs County: 15.7 %Hot Springs County15.7Sublette County: 15.4 %Sublette County15.4Platte County: 15.3 %Platte County15.3Goshen County: 15 %Goshen County15Teton County: 14.5 %Teton County14.5Sheridan County: 14 %Sheridan County14Park County: 13.9 %Park County13.9Uinta County: 13.9 %Uinta County13.9Converse County: 13.8 %Converse County13.8Sweetwater County: 13.8 %Sweetwater County13.8Natrona County: 13.2 %Natrona County13.2Weston County: 13.1 %Weston County13.1Campbell County: 13 %Campbell County13Albany County: 12.7 %Albany County12.7Laramie County: 12.4 %Laramie County12.4Johnson County: 11.5 %Johnson County11.5
%. 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

RankCounties2020 (%)Change on 2019
1Fremont County19.8-2.5 pts
2Niobrara County18.6-0.5 pts
3Carbon County17.4-0.3 pts
4Big Horn County16.9-4.6 pts
5Lincoln County16.7+0.6 pts
6Washakie County15.90 pts
7Crook County15.7-1.4 pts
7Hot Springs County15.7+0.5 pts
9Sublette County15.4+0.1 pts
10Platte County15.3+0.3 pts
11Goshen County15-0.5 pts
12Teton County14.5-3 pts
13Sheridan County14+0.1 pts
14Park County13.9-0.1 pts
14Uinta County13.9-0.2 pts
16Converse County13.8+0.1 pts
16Sweetwater County13.8-0.1 pts
18Natrona County13.2-1.3 pts
19Weston County13.1-1.2 pts
20Campbell County13-0.5 pts
21Albany County12.7-0.4 pts
22Laramie County12.4+0.6 pts
23Johnson County11.5-2.5 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-2020-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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020. 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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020.

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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wyoming_by_2020,
  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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2020-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020. 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-2020-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 Wyoming by uninsured rate, under 65 (US model-based estimate), 2020
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-2020-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2020.
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-2020-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

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

Fremont County, with 19.8% in 2020, according to the U.S. Census Bureau.

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

Johnson County, with 11.5% in 2020.

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 Wyoming: more rankings