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 2017, at 22.8%. Laramie County had the lowest, at 13.6%. The median was 16.6% and the figure for Wyoming was 16.4%. Source: the U.S. Census Bureau.

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Highest22.8Fremont County
Lowest13.6Laramie County
Median16.623 counties
Wyoming16.4History

Map of counties, 2017

Albany County: 13.9 %Big Horn County: 22.5 %Campbell County: 15.3 %Carbon County: 19.1 %Converse County: 14.7 %Crook County: 15.9 %Fremont County: 22.8 %Goshen County: 19 %Hot Springs County: 16 %Johnson County: 17.2 %Laramie County: 13.6 %Lincoln County: 15.6 %Natrona County: 16.9 %Niobrara County: 21.3 %Park County: 15.8 %Platte County: 16.9 %Sheridan County: 15.8 %Sublette County: 16.1 %Sweetwater County: 16.9 %Teton County: 17.5 %Uinta County: 16.6 %Washakie County: 19.3 %Weston County: 15.1 %
  • Under 15
  • 15 to 16
  • 16 to 17
  • 17 to 19
  • 19 and over
%, 2017. 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, 2017

Fremont County: 22.8 %Fremont County22.8Big Horn County: 22.5 %Big Horn County22.5Niobrara County: 21.3 %Niobrara County21.3Washakie County: 19.3 %Washakie County19.3Carbon County: 19.1 %Carbon County19.1Goshen County: 19 %Goshen County19Teton County: 17.5 %Teton County17.5Johnson County: 17.2 %Johnson County17.2Natrona County: 16.9 %Natrona County16.9Platte County: 16.9 %Platte County16.9Sweetwater County: 16.9 %Sweetwater County16.9Uinta County: 16.6 %Uinta County16.6Sublette County: 16.1 %Sublette County16.1Hot Springs County: 16 %Hot Springs County16Crook County: 15.9 %Crook County15.9Park County: 15.8 %Park County15.8Sheridan County: 15.8 %Sheridan County15.8Lincoln County: 15.6 %Lincoln County15.6Campbell County: 15.3 %Campbell County15.3Weston County: 15.1 %Weston County15.1Converse County: 14.7 %Converse County14.7Albany County: 13.9 %Albany County13.9Laramie County: 13.6 %Laramie County13.6Fremont County: 22.8 %Fremont County22.8Big Horn County: 22.5 %Big Horn County22.5Niobrara County: 21.3 %Niobrara County21.3Washakie County: 19.3 %Washakie County19.3Carbon County: 19.1 %Carbon County19.1Goshen County: 19 %Goshen County19Teton County: 17.5 %Teton County17.5Johnson County: 17.2 %Johnson County17.2Natrona County: 16.9 %Natrona County16.9Platte County: 16.9 %Platte County16.9Sweetwater County: 16.9 %Sweetwater County16.9Uinta County: 16.6 %Uinta County16.6Sublette County: 16.1 %Sublette County16.1Hot Springs County: 16 %Hot Springs County16Crook County: 15.9 %Crook County15.9Park County: 15.8 %Park County15.8Sheridan County: 15.8 %Sheridan County15.8Lincoln County: 15.6 %Lincoln County15.6Campbell County: 15.3 %Campbell County15.3Weston County: 15.1 %Weston County15.1Converse County: 14.7 %Converse County14.7Albany County: 13.9 %Albany County13.9Laramie County: 13.6 %Laramie County13.6
%. 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

RankCounties2017 (%)Change on 2016
1Fremont County22.8-1.8 pts
2Big Horn County22.5+2 pts
3Niobrara County21.3+3.2 pts
4Washakie County19.3-0.3 pts
5Carbon County19.1+2 pts
6Goshen County19+1.6 pts
7Teton County17.5+1.5 pts
8Johnson County17.2-0.6 pts
9Natrona County16.9+0.4 pts
9Platte County16.9+1.8 pts
9Sweetwater County16.9+1.6 pts
12Uinta County16.6+1.5 pts
13Sublette County16.1+1.3 pts
14Hot Springs County16+0.1 pts
15Crook County15.9+0.5 pts
16Park County15.8-0.8 pts
16Sheridan County15.8+1.8 pts
18Lincoln County15.6+0.1 pts
19Campbell County15.3+1.7 pts
20Weston County15.1-1.4 pts
21Converse County14.7+1 pts
22Albany County13.9+1 pts
23Laramie County13.6+0.9 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-2017-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), 2017) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-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), 2017. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017. 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), 2017. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017.

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), 2017 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wyoming_by_2017,
  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), 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017. 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-2017-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), 2017
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-2017-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/wyoming-counties?period=2017.
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-2017-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 22.8% in 2017, 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 13.6% in 2017.

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