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 2016, at 33.1%. Madison County had the lowest, at 11%. The median was 16.9% and the figure for Idaho was 15%. Source: the U.S. Census Bureau.

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Highest33.1Clark County
Lowest11Madison County
Median16.944 counties
Idaho15History

Map of counties, 2016

Ada County: 11.1 %Adams County: 17 %Bannock County: 12.7 %Bear Lake County: 12.3 %Benewah County: 16.4 %Bingham County: 19.1 %Blaine County: 19 %Boise County: 13.2 %Bonner County: 14.5 %Bonneville County: 12.5 %Boundary County: 19.5 %Butte County: 17.4 %Camas County: 19.1 %Canyon County: 20.7 %Caribou County: 11.6 %Cassia County: 20 %Clark County: 33.1 %Clearwater County: 15.4 %Custer County: 15.2 %Elmore County: 17 %Franklin County: 17.3 %Fremont County: 19 %Gem County: 16.7 %Gooding County: 25.5 %Idaho County: 16.8 %Jefferson County: 17.1 %Jerome County: 24.3 %Kootenai County: 14.2 %Latah County: 11.8 %Lemhi County: 14.5 %Lewis County: 20.1 %Lincoln County: 22.5 %Madison County: 11 %Minidoka County: 24.1 %Nez Perce County: 13.2 %Oneida County: 13.7 %Owyhee County: 29 %Payette County: 16.7 %Power County: 22.3 %Shoshone County: 14.2 %Teton County: 19.8 %Twin Falls County: 15.9 %Valley County: 15 %Washington County: 18.7 %
  • Under 13
  • 13 to 15
  • 15 to 17
  • 17 to 19
  • 19 to 21
  • 21 and over
%, 2016. 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, 2016

Clark County: 33.1 %Clark County33.1Owyhee County: 29 %Owyhee County29Gooding County: 25.5 %Gooding County25.5Jerome County: 24.3 %Jerome County24.3Minidoka County: 24.1 %Minidoka County24.1Lincoln County: 22.5 %Lincoln County22.5Power County: 22.3 %Power County22.3Canyon County: 20.7 %Canyon County20.7Lewis County: 20.1 %Lewis County20.1Cassia County: 20 %Cassia County20Teton County: 19.8 %Teton County19.8Boundary County: 19.5 %Boundary County19.5Bingham County: 19.1 %Bingham County19.1Camas County: 19.1 %Camas County19.1Blaine County: 19 %Blaine County19Fremont County: 19 %Fremont County19Washington County: 18.7 %Washington County18.7Butte County: 17.4 %Butte County17.4Franklin County: 17.3 %Franklin County17.3Jefferson County: 17.1 %Jefferson County17.1Adams County: 17 %Adams County17Elmore County: 17 %Elmore County17Idaho County: 16.8 %Idaho County16.8Gem County: 16.7 %Gem County16.7Payette County: 16.7 %Payette County16.7Benewah County: 16.4 %Benewah County16.4Twin Falls County: 15.9 %Twin Falls County15.9Clearwater County: 15.4 %Clearwater County15.4Custer County: 15.2 %Custer County15.2Valley County: 15 %Valley County15Bonner County: 14.5 %Bonner County14.5Lemhi County: 14.5 %Lemhi County14.5Kootenai County: 14.2 %Kootenai County14.2Shoshone County: 14.2 %Shoshone County14.2Oneida County: 13.7 %Oneida County13.7Boise County: 13.2 %Boise County13.2Nez Perce County: 13.2 %Nez Perce County13.2Bannock County: 12.7 %Bannock County12.7Bonneville County: 12.5 %Bonneville County12.5Bear Lake County: 12.3 %Bear Lake County12.3Latah County: 11.8 %Latah County11.8Caribou County: 11.6 %Caribou County11.6Ada County: 11.1 %Ada County11.1Madison County: 11 %Madison County11Clark County: 33.1 %Clark County33.1Owyhee County: 29 %Owyhee County29Gooding County: 25.5 %Gooding County25.5Jerome County: 24.3 %Jerome County24.3Minidoka County: 24.1 %Minidoka County24.1Lincoln County: 22.5 %Lincoln County22.5Power County: 22.3 %Power County22.3Canyon County: 20.7 %Canyon County20.7Lewis County: 20.1 %Lewis County20.1Cassia County: 20 %Cassia County20Teton County: 19.8 %Teton County19.8Boundary County: 19.5 %Boundary County19.5Bingham County: 19.1 %Bingham County19.1Camas County: 19.1 %Camas County19.1Blaine County: 19 %Blaine County19Fremont County: 19 %Fremont County19Washington County: 18.7 %Washington County18.7Butte County: 17.4 %Butte County17.4Franklin County: 17.3 %Franklin County17.3Jefferson County: 17.1 %Jefferson County17.1Adams County: 17 %Adams County17Elmore County: 17 %Elmore County17Idaho County: 16.8 %Idaho County16.8Gem County: 16.7 %Gem County16.7Payette County: 16.7 %Payette County16.7Benewah County: 16.4 %Benewah County16.4Twin Falls County: 15.9 %Twin Falls County15.9Clearwater County: 15.4 %Clearwater County15.4Custer County: 15.2 %Custer County15.2Valley County: 15 %Valley County15Bonner County: 14.5 %Bonner County14.5Lemhi County: 14.5 %Lemhi County14.5Kootenai County: 14.2 %Kootenai County14.2Shoshone County: 14.2 %Shoshone County14.2Oneida County: 13.7 %Oneida County13.7Boise County: 13.2 %Boise County13.2Nez Perce County: 13.2 %Nez Perce County13.2Bannock County: 12.7 %Bannock County12.7Bonneville County: 12.5 %Bonneville County12.5Bear Lake County: 12.3 %Bear Lake County12.3Latah County: 11.8 %Latah County11.8Caribou County: 11.6 %Caribou County11.6Ada County: 11.1 %Ada County11.1Madison County: 11 %Madison County11
%. 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

RankCounties2016 (%)Change on 2015
1Clark County33.1+1.1 pts
2Owyhee County29-1.3 pts
3Gooding County25.5-2.6 pts
4Jerome County24.3-3 pts
5Minidoka County24.1-1.2 pts
6Lincoln County22.5-1.5 pts
7Power County22.3-1.7 pts
8Canyon County20.7-0.1 pts
9Lewis County20.1+0.8 pts
10Cassia County20-4.1 pts
11Teton County19.8-2.5 pts
12Boundary County19.5-1 pts
13Bingham County19.1-1.1 pts
13Camas County19.1-5.9 pts
15Blaine County19-0.4 pts
15Fremont County19-0.9 pts
17Washington County18.7-2.6 pts
18Butte County17.4+1.5 pts
19Franklin County17.3-0.3 pts
20Jefferson County17.1-0.1 pts
21Adams County17-0.8 pts
21Elmore County17+0.1 pts
23Idaho County16.8-0.7 pts
24Gem County16.7-1.4 pts
24Payette County16.7-2.3 pts
26Benewah County16.4-2.5 pts
27Twin Falls County15.9-3 pts
28Clearwater County15.4+0.2 pts
29Custer County15.2+0.1 pts
30Valley County15-0.2 pts
31Bonner County14.5-1.2 pts
31Lemhi County14.5-2.1 pts
33Kootenai County14.2+0.1 pts
33Shoshone County14.2-1.5 pts
35Oneida County13.7-0.5 pts
36Boise County13.2-2 pts
36Nez Perce County13.2-0.2 pts
38Bannock County12.7-2 pts
39Bonneville County12.5-2.6 pts
40Bear Lake County12.3-1 pts
41Latah County11.8+0.1 pts
42Caribou County11.6-1.6 pts
43Ada County11.1-0.6 pts
44Madison County11-0.2 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-2016-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), 2016) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2016-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), 2016. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2016-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016. 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), 2016. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2016-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016.

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), 2016 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2016-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2016,
  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), 2016}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2016-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016. 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-2016-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), 2016
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-2016-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/idaho-counties?period=2016.
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-2016-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 33.1% in 2016, 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% in 2016.

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