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

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

Fremont County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 23 counties in 2019, at 24.2%. Laramie County had the lowest, at 13.3%. The median was 16.3% and the figure for Wyoming was 16.3%. Source: the U.S. Census Bureau.

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Highest24.2Fremont County
Lowest13.3Laramie County
Median16.323 counties
Wyoming16.3History

Map of counties, 2019

Albany County: 14.1 %Big Horn County: 23.7 %Campbell County: 15.1 %Carbon County: 19.3 %Converse County: 15.3 %Crook County: 17.8 %Fremont County: 24.2 %Goshen County: 17.4 %Hot Springs County: 16.9 %Johnson County: 15.2 %Laramie County: 13.3 %Lincoln County: 17.3 %Natrona County: 16.7 %Niobrara County: 20.8 %Park County: 15.5 %Platte County: 16.3 %Sheridan County: 15.5 %Sublette County: 16.1 %Sweetwater County: 15.8 %Teton County: 18 %Uinta County: 16 %Washakie County: 17.9 %Weston County: 15.4 %
  • Under 15
  • 15 to 16
  • 16 to 17
  • 17 to 18
  • 18 and over
%, 2019. 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, 2019

Fremont County: 24.2 %Fremont County24.2Big Horn County: 23.7 %Big Horn County23.7Niobrara County: 20.8 %Niobrara County20.8Carbon County: 19.3 %Carbon County19.3Teton County: 18 %Teton County18Washakie County: 17.9 %Washakie County17.9Crook County: 17.8 %Crook County17.8Goshen County: 17.4 %Goshen County17.4Lincoln County: 17.3 %Lincoln County17.3Hot Springs County: 16.9 %Hot Springs County16.9Natrona County: 16.7 %Natrona County16.7Platte County: 16.3 %Platte County16.3Sublette County: 16.1 %Sublette County16.1Uinta County: 16 %Uinta County16Sweetwater County: 15.8 %Sweetwater County15.8Park County: 15.5 %Park County15.5Sheridan County: 15.5 %Sheridan County15.5Weston County: 15.4 %Weston County15.4Converse County: 15.3 %Converse County15.3Johnson County: 15.2 %Johnson County15.2Campbell County: 15.1 %Campbell County15.1Albany County: 14.1 %Albany County14.1Laramie County: 13.3 %Laramie County13.3Fremont County: 24.2 %Fremont County24.2Big Horn County: 23.7 %Big Horn County23.7Niobrara County: 20.8 %Niobrara County20.8Carbon County: 19.3 %Carbon County19.3Teton County: 18 %Teton County18Washakie County: 17.9 %Washakie County17.9Crook County: 17.8 %Crook County17.8Goshen County: 17.4 %Goshen County17.4Lincoln County: 17.3 %Lincoln County17.3Hot Springs County: 16.9 %Hot Springs County16.9Natrona County: 16.7 %Natrona County16.7Platte County: 16.3 %Platte County16.3Sublette County: 16.1 %Sublette County16.1Uinta County: 16 %Uinta County16Sweetwater County: 15.8 %Sweetwater County15.8Park County: 15.5 %Park County15.5Sheridan County: 15.5 %Sheridan County15.5Weston County: 15.4 %Weston County15.4Converse County: 15.3 %Converse County15.3Johnson County: 15.2 %Johnson County15.2Campbell County: 15.1 %Campbell County15.1Albany County: 14.1 %Albany County14.1Laramie County: 13.3 %Laramie County13.3
%. 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

RankCounties2019 (%)Change on 2018
1Fremont County24.2+2.7 pts
2Big Horn County23.7+3.7 pts
3Niobrara County20.8+1.6 pts
4Carbon County19.3+2 pts
5Teton County18+3.2 pts
6Washakie County17.9+0.1 pts
7Crook County17.8+2.2 pts
8Goshen County17.4+0.1 pts
9Lincoln County17.3+2.9 pts
10Hot Springs County16.9+1.6 pts
11Natrona County16.7+0.8 pts
12Platte County16.3+2 pts
13Sublette County16.1+2.6 pts
14Uinta County16+1.5 pts
15Sweetwater County15.8+1.9 pts
16Park County15.5+0.6 pts
16Sheridan County15.5+2.3 pts
18Weston County15.4+0.6 pts
19Converse County15.3+1.9 pts
20Johnson County15.2+0.2 pts
21Campbell County15.1+1.3 pts
22Albany County14.1+0.2 pts
23Laramie County13.3+1.7 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-2019-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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019. 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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019.

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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wyoming_by_2019,
  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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2019-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019. 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-2019-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 Wyoming by uninsured rate, ages 18 to 64 (US model-based estimate), 2019
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-2019-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2019.
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-2019-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

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

Fremont County, with 24.2% in 2019, according to the U.S. Census Bureau.

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

Laramie County, with 13.3% in 2019.

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 Wyoming: more rankings