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 2017, at 32%. Madison County had the lowest, at 11.1%. The median was 17.5% and the figure for Idaho was 15.2%. Source: the U.S. Census Bureau.

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Highest32Clark County
Lowest11.1Madison County
Median17.544 counties
Idaho15.2History

Map of counties, 2017

Ada County: 11.1 %Adams County: 17 %Bannock County: 14.1 %Bear Lake County: 13.3 %Benewah County: 17.5 %Bingham County: 20 %Blaine County: 21.2 %Boise County: 15.7 %Bonner County: 16.1 %Bonneville County: 13 %Boundary County: 22.1 %Butte County: 15.3 %Camas County: 21.1 %Canyon County: 19.9 %Caribou County: 12 %Cassia County: 21.8 %Clark County: 32 %Clearwater County: 15.1 %Custer County: 16.1 %Elmore County: 17.3 %Franklin County: 16.3 %Fremont County: 18 %Gem County: 18 %Gooding County: 26.1 %Idaho County: 19.3 %Jefferson County: 17.4 %Jerome County: 27.9 %Kootenai County: 12.7 %Latah County: 11.2 %Lemhi County: 15.1 %Lewis County: 18.4 %Lincoln County: 22.8 %Madison County: 11.1 %Minidoka County: 23.6 %Nez Perce County: 13.1 %Oneida County: 15.5 %Owyhee County: 29.5 %Payette County: 18.6 %Power County: 23.2 %Shoshone County: 16.8 %Teton County: 20.1 %Twin Falls County: 18.4 %Valley County: 13.8 %Washington County: 20.9 %
  • Under 13
  • 13 to 16
  • 16 to 17
  • 17 to 20
  • 20 to 22
  • 22 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

Clark County: 32 %Clark County32Owyhee County: 29.5 %Owyhee County29.5Jerome County: 27.9 %Jerome County27.9Gooding County: 26.1 %Gooding County26.1Minidoka County: 23.6 %Minidoka County23.6Power County: 23.2 %Power County23.2Lincoln County: 22.8 %Lincoln County22.8Boundary County: 22.1 %Boundary County22.1Cassia County: 21.8 %Cassia County21.8Blaine County: 21.2 %Blaine County21.2Camas County: 21.1 %Camas County21.1Washington County: 20.9 %Washington County20.9Teton County: 20.1 %Teton County20.1Bingham County: 20 %Bingham County20Canyon County: 19.9 %Canyon County19.9Idaho County: 19.3 %Idaho County19.3Payette County: 18.6 %Payette County18.6Lewis County: 18.4 %Lewis County18.4Twin Falls County: 18.4 %Twin Falls County18.4Fremont County: 18 %Fremont County18Gem County: 18 %Gem County18Benewah County: 17.5 %Benewah County17.5Jefferson County: 17.4 %Jefferson County17.4Elmore County: 17.3 %Elmore County17.3Adams County: 17 %Adams County17Shoshone County: 16.8 %Shoshone County16.8Franklin County: 16.3 %Franklin County16.3Bonner County: 16.1 %Bonner County16.1Custer County: 16.1 %Custer County16.1Boise County: 15.7 %Boise County15.7Oneida County: 15.5 %Oneida County15.5Butte County: 15.3 %Butte County15.3Clearwater County: 15.1 %Clearwater County15.1Lemhi County: 15.1 %Lemhi County15.1Bannock County: 14.1 %Bannock County14.1Valley County: 13.8 %Valley County13.8Bear Lake County: 13.3 %Bear Lake County13.3Nez Perce County: 13.1 %Nez Perce County13.1Bonneville County: 13 %Bonneville County13Kootenai County: 12.7 %Kootenai County12.7Caribou County: 12 %Caribou County12Latah County: 11.2 %Latah County11.2Ada County: 11.1 %Ada County11.1Madison County: 11.1 %Madison County11.1Clark County: 32 %Clark County32Owyhee County: 29.5 %Owyhee County29.5Jerome County: 27.9 %Jerome County27.9Gooding County: 26.1 %Gooding County26.1Minidoka County: 23.6 %Minidoka County23.6Power County: 23.2 %Power County23.2Lincoln County: 22.8 %Lincoln County22.8Boundary County: 22.1 %Boundary County22.1Cassia County: 21.8 %Cassia County21.8Blaine County: 21.2 %Blaine County21.2Camas County: 21.1 %Camas County21.1Washington County: 20.9 %Washington County20.9Teton County: 20.1 %Teton County20.1Bingham County: 20 %Bingham County20Canyon County: 19.9 %Canyon County19.9Idaho County: 19.3 %Idaho County19.3Payette County: 18.6 %Payette County18.6Lewis County: 18.4 %Lewis County18.4Twin Falls County: 18.4 %Twin Falls County18.4Fremont County: 18 %Fremont County18Gem County: 18 %Gem County18Benewah County: 17.5 %Benewah County17.5Jefferson County: 17.4 %Jefferson County17.4Elmore County: 17.3 %Elmore County17.3Adams County: 17 %Adams County17Shoshone County: 16.8 %Shoshone County16.8Franklin County: 16.3 %Franklin County16.3Bonner County: 16.1 %Bonner County16.1Custer County: 16.1 %Custer County16.1Boise County: 15.7 %Boise County15.7Oneida County: 15.5 %Oneida County15.5Butte County: 15.3 %Butte County15.3Clearwater County: 15.1 %Clearwater County15.1Lemhi County: 15.1 %Lemhi County15.1Bannock County: 14.1 %Bannock County14.1Valley County: 13.8 %Valley County13.8Bear Lake County: 13.3 %Bear Lake County13.3Nez Perce County: 13.1 %Nez Perce County13.1Bonneville County: 13 %Bonneville County13Kootenai County: 12.7 %Kootenai County12.7Caribou County: 12 %Caribou County12Latah County: 11.2 %Latah County11.2Ada County: 11.1 %Ada County11.1Madison County: 11.1 %Madison County11.1
%. 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
1Clark County32-1.1 pts
2Owyhee County29.5+0.5 pts
3Jerome County27.9+3.6 pts
4Gooding County26.1+0.6 pts
5Minidoka County23.6-0.5 pts
6Power County23.2+0.9 pts
7Lincoln County22.8+0.3 pts
8Boundary County22.1+2.6 pts
9Cassia County21.8+1.8 pts
10Blaine County21.2+2.2 pts
11Camas County21.1+2 pts
12Washington County20.9+2.2 pts
13Teton County20.1+0.3 pts
14Bingham County20+0.9 pts
15Canyon County19.9-0.8 pts
16Idaho County19.3+2.5 pts
17Payette County18.6+1.9 pts
18Lewis County18.4-1.7 pts
18Twin Falls County18.4+2.5 pts
20Fremont County18-1 pts
20Gem County18+1.3 pts
22Benewah County17.5+1.1 pts
23Jefferson County17.4+0.3 pts
24Elmore County17.3+0.3 pts
25Adams County170 pts
26Shoshone County16.8+2.6 pts
27Franklin County16.3-1 pts
28Bonner County16.1+1.6 pts
28Custer County16.1+0.9 pts
30Boise County15.7+2.5 pts
31Oneida County15.5+1.8 pts
32Butte County15.3-2.1 pts
33Clearwater County15.1-0.3 pts
33Lemhi County15.1+0.6 pts
35Bannock County14.1+1.4 pts
36Valley County13.8-1.2 pts
37Bear Lake County13.3+1 pts
38Nez Perce County13.1-0.1 pts
39Bonneville County13+0.5 pts
40Kootenai County12.7-1.5 pts
41Caribou County12+0.4 pts
42Latah County11.2-0.6 pts
43Ada County11.10 pts
43Madison County11.1+0.1 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-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 Idaho 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 Idaho 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/idaho-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 Idaho 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/idaho-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 Idaho 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/idaho-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_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 Idaho 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/idaho-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 Idaho 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/idaho-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-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)?

Clark County, with 32% in 2017, according to the U.S. Census Bureau.

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

Madison County, with 11.1% 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 Idaho: more rankings