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 2018, at 17.6%. Laramie County had the lowest, at 9.8%. The median was 12.7% and the figure for Wyoming was 12.4%. Source: the U.S. Census Bureau.

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Highest17.6Fremont County
Lowest9.8Laramie County
Median12.723 counties
Wyoming12.4History

Map of counties, 2018

Albany County: 12.1 %Big Horn County: 17 %Campbell County: 11.7 %Carbon County: 14.6 %Converse County: 11.5 %Crook County: 13.7 %Fremont County: 17.6 %Goshen County: 14.9 %Hot Springs County: 12.7 %Johnson County: 12.6 %Laramie County: 9.8 %Lincoln County: 12.1 %Natrona County: 13.2 %Niobrara County: 16.9 %Park County: 12.8 %Platte County: 12.3 %Sheridan County: 11.1 %Sublette County: 11.9 %Sweetwater County: 11.5 %Teton County: 13.4 %Uinta County: 11.8 %Washakie County: 14.8 %Weston County: 12.7 %
  • Under 12
  • 12 to 13
  • 13 to 15
  • 15 and over
%, 2018. 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, 2018

Fremont County: 17.6 %Fremont County17.6Big Horn County: 17 %Big Horn County17Niobrara County: 16.9 %Niobrara County16.9Goshen County: 14.9 %Goshen County14.9Washakie County: 14.8 %Washakie County14.8Carbon County: 14.6 %Carbon County14.6Crook County: 13.7 %Crook County13.7Teton County: 13.4 %Teton County13.4Natrona County: 13.2 %Natrona County13.2Park County: 12.8 %Park County12.8Hot Springs County: 12.7 %Hot Springs County12.7Weston County: 12.7 %Weston County12.7Johnson County: 12.6 %Johnson County12.6Platte County: 12.3 %Platte County12.3Albany County: 12.1 %Albany County12.1Lincoln County: 12.1 %Lincoln County12.1Sublette County: 11.9 %Sublette County11.9Uinta County: 11.8 %Uinta County11.8Campbell County: 11.7 %Campbell County11.7Converse County: 11.5 %Converse County11.5Sweetwater County: 11.5 %Sweetwater County11.5Sheridan County: 11.1 %Sheridan County11.1Laramie County: 9.8 %Laramie County9.8Fremont County: 17.6 %Fremont County17.6Big Horn County: 17 %Big Horn County17Niobrara County: 16.9 %Niobrara County16.9Goshen County: 14.9 %Goshen County14.9Washakie County: 14.8 %Washakie County14.8Carbon County: 14.6 %Carbon County14.6Crook County: 13.7 %Crook County13.7Teton County: 13.4 %Teton County13.4Natrona County: 13.2 %Natrona County13.2Park County: 12.8 %Park County12.8Hot Springs County: 12.7 %Hot Springs County12.7Weston County: 12.7 %Weston County12.7Johnson County: 12.6 %Johnson County12.6Platte County: 12.3 %Platte County12.3Albany County: 12.1 %Albany County12.1Lincoln County: 12.1 %Lincoln County12.1Sublette County: 11.9 %Sublette County11.9Uinta County: 11.8 %Uinta County11.8Campbell County: 11.7 %Campbell County11.7Converse County: 11.5 %Converse County11.5Sweetwater County: 11.5 %Sweetwater County11.5Sheridan County: 11.1 %Sheridan County11.1Laramie County: 9.8 %Laramie County9.8
%. 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

RankCounties2018 (%)Change on 2017
1Fremont County17.6-2.5 pts
2Big Horn County17-2.8 pts
3Niobrara County16.9-2.3 pts
4Goshen County14.9-1.6 pts
5Washakie County14.8-1.9 pts
6Carbon County14.6-1.7 pts
7Crook County13.7-1 pts
8Teton County13.4-2.6 pts
9Natrona County13.2-1 pts
10Park County12.8-1.2 pts
11Hot Springs County12.7-0.9 pts
11Weston County12.7-0.7 pts
13Johnson County12.6-2.4 pts
14Platte County12.3-2.6 pts
15Albany County12.1-0.4 pts
15Lincoln County12.1-1.7 pts
17Sublette County11.9-2.7 pts
18Uinta County11.8-1.9 pts
19Campbell County11.7-1.1 pts
20Converse County11.5-1.2 pts
20Sweetwater County11.5-3 pts
22Sheridan County11.1-2.3 pts
23Laramie County9.8-1.6 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-2018-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), 2018) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-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), 2018. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018. 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), 2018. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018.

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), 2018 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_wyoming_by_2018,
  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), 2018}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2018-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018. 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-2018-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), 2018
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-2018-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/wyoming-counties?period=2018.
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-2018-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 17.6% in 2018, according to the U.S. Census Bureau.

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

Laramie County, with 9.8% in 2018.

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