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

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

Clark County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 44 counties in 2023, at 25.2%. Oneida County had the lowest, at 9.2%. The median was 14.1% and the figure for Idaho was 12.7%. Source: the U.S. Census Bureau.

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Highest25.2Clark County
Lowest9.2Oneida County
Median14.144 counties
Idaho12.7History

Map of counties, 2023

Ada County: 9.2 %Adams County: 12.7 %Bannock County: 10.1 %Bear Lake County: 11.3 %Benewah County: 16.6 %Bingham County: 14 %Blaine County: 16.1 %Boise County: 11.9 %Bonner County: 16.3 %Bonneville County: 11.8 %Boundary County: 20 %Butte County: 14.4 %Camas County: 14.2 %Canyon County: 16.5 %Caribou County: 14 %Cassia County: 16.2 %Clark County: 25.2 %Clearwater County: 11.2 %Custer County: 13.2 %Elmore County: 14.8 %Franklin County: 12.2 %Fremont County: 16.2 %Gem County: 16.1 %Gooding County: 21.1 %Idaho County: 15.4 %Jefferson County: 12.5 %Jerome County: 22 %Kootenai County: 12.3 %Latah County: 10.3 %Lemhi County: 13.9 %Lewis County: 13.2 %Lincoln County: 18.5 %Madison County: 10.5 %Minidoka County: 16.5 %Nez Perce County: 10.4 %Oneida County: 9.2 %Owyhee County: 22 %Payette County: 15 %Power County: 18.2 %Shoshone County: 13.1 %Teton County: 15.6 %Twin Falls County: 14.3 %Valley County: 12 %Washington County: 11.8 %
  • Under 11
  • 11 to 13
  • 13 to 14
  • 14 to 16
  • 16 to 17
  • 17 and over
%, 2023. 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, 2023

Clark County: 25.2 %Clark County25.2Jerome County: 22 %Jerome County22Owyhee County: 22 %Owyhee County22Gooding County: 21.1 %Gooding County21.1Boundary County: 20 %Boundary County20Lincoln County: 18.5 %Lincoln County18.5Power County: 18.2 %Power County18.2Benewah County: 16.6 %Benewah County16.6Canyon County: 16.5 %Canyon County16.5Minidoka County: 16.5 %Minidoka County16.5Bonner County: 16.3 %Bonner County16.3Cassia County: 16.2 %Cassia County16.2Fremont County: 16.2 %Fremont County16.2Blaine County: 16.1 %Blaine County16.1Gem County: 16.1 %Gem County16.1Teton County: 15.6 %Teton County15.6Idaho County: 15.4 %Idaho County15.4Payette County: 15 %Payette County15Elmore County: 14.8 %Elmore County14.8Butte County: 14.4 %Butte County14.4Twin Falls County: 14.3 %Twin Falls County14.3Camas County: 14.2 %Camas County14.2Bingham County: 14 %Bingham County14Caribou County: 14 %Caribou County14Lemhi County: 13.9 %Lemhi County13.9Custer County: 13.2 %Custer County13.2Lewis County: 13.2 %Lewis County13.2Shoshone County: 13.1 %Shoshone County13.1Adams County: 12.7 %Adams County12.7Jefferson County: 12.5 %Jefferson County12.5Kootenai County: 12.3 %Kootenai County12.3Franklin County: 12.2 %Franklin County12.2Valley County: 12 %Valley County12Boise County: 11.9 %Boise County11.9Bonneville County: 11.8 %Bonneville County11.8Washington County: 11.8 %Washington County11.8Bear Lake County: 11.3 %Bear Lake County11.3Clearwater County: 11.2 %Clearwater County11.2Madison County: 10.5 %Madison County10.5Nez Perce County: 10.4 %Nez Perce County10.4Latah County: 10.3 %Latah County10.3Bannock County: 10.1 %Bannock County10.1Ada County: 9.2 %Ada County9.2Oneida County: 9.2 %Oneida County9.2Clark County: 25.2 %Clark County25.2Jerome County: 22 %Jerome County22Owyhee County: 22 %Owyhee County22Gooding County: 21.1 %Gooding County21.1Boundary County: 20 %Boundary County20Lincoln County: 18.5 %Lincoln County18.5Power County: 18.2 %Power County18.2Benewah County: 16.6 %Benewah County16.6Canyon County: 16.5 %Canyon County16.5Minidoka County: 16.5 %Minidoka County16.5Bonner County: 16.3 %Bonner County16.3Cassia County: 16.2 %Cassia County16.2Fremont County: 16.2 %Fremont County16.2Blaine County: 16.1 %Blaine County16.1Gem County: 16.1 %Gem County16.1Teton County: 15.6 %Teton County15.6Idaho County: 15.4 %Idaho County15.4Payette County: 15 %Payette County15Elmore County: 14.8 %Elmore County14.8Butte County: 14.4 %Butte County14.4Twin Falls County: 14.3 %Twin Falls County14.3Camas County: 14.2 %Camas County14.2Bingham County: 14 %Bingham County14Caribou County: 14 %Caribou County14Lemhi County: 13.9 %Lemhi County13.9Custer County: 13.2 %Custer County13.2Lewis County: 13.2 %Lewis County13.2Shoshone County: 13.1 %Shoshone County13.1Adams County: 12.7 %Adams County12.7Jefferson County: 12.5 %Jefferson County12.5Kootenai County: 12.3 %Kootenai County12.3Franklin County: 12.2 %Franklin County12.2Valley County: 12 %Valley County12Boise County: 11.9 %Boise County11.9Bonneville County: 11.8 %Bonneville County11.8Washington County: 11.8 %Washington County11.8Bear Lake County: 11.3 %Bear Lake County11.3Clearwater County: 11.2 %Clearwater County11.2Madison County: 10.5 %Madison County10.5Nez Perce County: 10.4 %Nez Perce County10.4Latah County: 10.3 %Latah County10.3Bannock County: 10.1 %Bannock County10.1Ada County: 9.2 %Ada County9.2Oneida County: 9.2 %Oneida County9.2
%. 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

RankCounties2023 (%)Change on 2022
1Clark County25.2-0.7 pts
2Jerome County22+2.3 pts
2Owyhee County22+1.9 pts
4Gooding County21.1-0.8 pts
5Boundary County20+3.9 pts
6Lincoln County18.5+1.6 pts
7Power County18.2+0.3 pts
8Benewah County16.6+0.6 pts
9Canyon County16.5+2.2 pts
9Minidoka County16.5-0.9 pts
11Bonner County16.3+3.7 pts
12Cassia County16.20 pts
12Fremont County16.2+0.3 pts
14Blaine County16.1+0.2 pts
14Gem County16.1+3.3 pts
16Teton County15.6-0.4 pts
17Idaho County15.4+2.1 pts
18Payette County15+0.6 pts
19Elmore County14.8+0.9 pts
20Butte County14.4+2.3 pts
21Twin Falls County14.3+1 pts
22Camas County14.2-1.7 pts
23Bingham County14+0.7 pts
23Caribou County14+2.9 pts
25Lemhi County13.9-0.4 pts
26Custer County13.2-1.1 pts
26Lewis County13.2-0.5 pts
28Shoshone County13.1+0.6 pts
29Adams County12.7-0.3 pts
30Jefferson County12.5+0.6 pts
31Kootenai County12.3+1.5 pts
32Franklin County12.2+0.2 pts
33Valley County12-0.3 pts
34Boise County11.9+1.3 pts
35Bonneville County11.8+0.7 pts
35Washington County11.8+0.6 pts
37Bear Lake County11.3+0.9 pts
38Clearwater County11.2+0.4 pts
39Madison County10.5+0.6 pts
40Nez Perce County10.4-0.4 pts
41Latah County10.3+1.9 pts
42Bannock County10.1+0.5 pts
43Ada County9.2+1.1 pts
43Oneida County9.2-1 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-2023-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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023. 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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023.

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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2023,
  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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2023-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023. 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-2023-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 Idaho by uninsured rate, ages 18 to 64 (US model-based estimate), 2023
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-2023-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2023.
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-2023-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)?

Clark County, with 25.2% in 2023, according to the U.S. Census Bureau.

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

Oneida County, with 9.2% in 2023.

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 Idaho: more rankings