Data / Rankings / Uninsured rate, under 65 (US model-based estimate) / Counties in Idaho

Counties in Idaho by uninsured rate, under 65 (US model-based estimate)

Clark County had the highest uninsured rate, under 65 (US model-based estimate) of 44 counties in 2021, at 27.3%. Madison County had the lowest, at 7.3%. The median was 12% and the figure for Idaho was 10.5%. Source: the U.S. Census Bureau.

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Highest27.3Clark County
Lowest7.3Madison County
Median1244 counties
Idaho10.5History

Map of counties, 2021

Ada County: 7.4 %Adams County: 12.1 %Bannock County: 9.1 %Bear Lake County: 9.2 %Benewah County: 12.6 %Bingham County: 11.9 %Blaine County: 15.1 %Boise County: 11.5 %Bonner County: 11.6 %Bonneville County: 9.8 %Boundary County: 12.9 %Butte County: 10.1 %Camas County: 16.5 %Canyon County: 12.4 %Caribou County: 10.2 %Cassia County: 14.8 %Clark County: 27.3 %Clearwater County: 10.5 %Custer County: 12.1 %Elmore County: 11.9 %Franklin County: 11.3 %Fremont County: 13.1 %Gem County: 13 %Gooding County: 17.9 %Idaho County: 13.9 %Jefferson County: 11.2 %Jerome County: 17.8 %Kootenai County: 9.4 %Latah County: 9 %Lemhi County: 11.1 %Lewis County: 12.9 %Lincoln County: 19.3 %Madison County: 7.3 %Minidoka County: 18.1 %Nez Perce County: 10.1 %Oneida County: 10.6 %Owyhee County: 18.5 %Payette County: 11.9 %Power County: 15.6 %Shoshone County: 11.2 %Teton County: 15.7 %Twin Falls County: 13.4 %Valley County: 12.6 %Washington County: 11.9 %
  • Under 10
  • 10 to 11
  • 11 to 12
  • 12 to 13
  • 13 to 16
  • 16 and over
%, 2021. 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, 2021

Clark County: 27.3 %Clark County27.3Lincoln County: 19.3 %Lincoln County19.3Owyhee County: 18.5 %Owyhee County18.5Minidoka County: 18.1 %Minidoka County18.1Gooding County: 17.9 %Gooding County17.9Jerome County: 17.8 %Jerome County17.8Camas County: 16.5 %Camas County16.5Teton County: 15.7 %Teton County15.7Power County: 15.6 %Power County15.6Blaine County: 15.1 %Blaine County15.1Cassia County: 14.8 %Cassia County14.8Idaho County: 13.9 %Idaho County13.9Twin Falls County: 13.4 %Twin Falls County13.4Fremont County: 13.1 %Fremont County13.1Gem County: 13 %Gem County13Boundary County: 12.9 %Boundary County12.9Lewis County: 12.9 %Lewis County12.9Benewah County: 12.6 %Benewah County12.6Valley County: 12.6 %Valley County12.6Canyon County: 12.4 %Canyon County12.4Adams County: 12.1 %Adams County12.1Custer County: 12.1 %Custer County12.1Bingham County: 11.9 %Bingham County11.9Elmore County: 11.9 %Elmore County11.9Payette County: 11.9 %Payette County11.9Washington County: 11.9 %Washington County11.9Bonner County: 11.6 %Bonner County11.6Boise County: 11.5 %Boise County11.5Franklin County: 11.3 %Franklin County11.3Jefferson County: 11.2 %Jefferson County11.2Shoshone County: 11.2 %Shoshone County11.2Lemhi County: 11.1 %Lemhi County11.1Oneida County: 10.6 %Oneida County10.6Clearwater County: 10.5 %Clearwater County10.5Caribou County: 10.2 %Caribou County10.2Butte County: 10.1 %Butte County10.1Nez Perce County: 10.1 %Nez Perce County10.1Bonneville County: 9.8 %Bonneville County9.8Kootenai County: 9.4 %Kootenai County9.4Bear Lake County: 9.2 %Bear Lake County9.2Bannock County: 9.1 %Bannock County9.1Latah County: 9 %Latah County9Ada County: 7.4 %Ada County7.4Madison County: 7.3 %Madison County7.3Clark County: 27.3 %Clark County27.3Lincoln County: 19.3 %Lincoln County19.3Owyhee County: 18.5 %Owyhee County18.5Minidoka County: 18.1 %Minidoka County18.1Gooding County: 17.9 %Gooding County17.9Jerome County: 17.8 %Jerome County17.8Camas County: 16.5 %Camas County16.5Teton County: 15.7 %Teton County15.7Power County: 15.6 %Power County15.6Blaine County: 15.1 %Blaine County15.1Cassia County: 14.8 %Cassia County14.8Idaho County: 13.9 %Idaho County13.9Twin Falls County: 13.4 %Twin Falls County13.4Fremont County: 13.1 %Fremont County13.1Gem County: 13 %Gem County13Boundary County: 12.9 %Boundary County12.9Lewis County: 12.9 %Lewis County12.9Benewah County: 12.6 %Benewah County12.6Valley County: 12.6 %Valley County12.6Canyon County: 12.4 %Canyon County12.4Adams County: 12.1 %Adams County12.1Custer County: 12.1 %Custer County12.1Bingham County: 11.9 %Bingham County11.9Elmore County: 11.9 %Elmore County11.9Payette County: 11.9 %Payette County11.9Washington County: 11.9 %Washington County11.9Bonner County: 11.6 %Bonner County11.6Boise County: 11.5 %Boise County11.5Franklin County: 11.3 %Franklin County11.3Jefferson County: 11.2 %Jefferson County11.2Shoshone County: 11.2 %Shoshone County11.2Lemhi County: 11.1 %Lemhi County11.1Oneida County: 10.6 %Oneida County10.6Clearwater County: 10.5 %Clearwater County10.5Caribou County: 10.2 %Caribou County10.2Butte County: 10.1 %Butte County10.1Nez Perce County: 10.1 %Nez Perce County10.1Bonneville County: 9.8 %Bonneville County9.8Kootenai County: 9.4 %Kootenai County9.4Bear Lake County: 9.2 %Bear Lake County9.2Bannock County: 9.1 %Bannock County9.1Latah County: 9 %Latah County9Ada County: 7.4 %Ada County7.4Madison County: 7.3 %Madison County7.3
%. 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

RankCounties2021 (%)Change on 2020
1Clark County27.3-1.4 pts
2Lincoln County19.3+0.8 pts
3Owyhee County18.5-0.7 pts
4Minidoka County18.10 pts
5Gooding County17.9-1.5 pts
6Jerome County17.8-1.7 pts
7Camas County16.5+3.4 pts
8Teton County15.7-1.1 pts
9Power County15.6-2.2 pts
10Blaine County15.1-0.9 pts
11Cassia County14.8+0.4 pts
12Idaho County13.9-0.2 pts
13Twin Falls County13.4+0.3 pts
14Fremont County13.1-3.8 pts
15Gem County13-0.7 pts
16Boundary County12.9-2.9 pts
16Lewis County12.9-1.2 pts
18Benewah County12.6-2.1 pts
18Valley County12.6+0.3 pts
20Canyon County12.4-1.1 pts
21Adams County12.1-1.6 pts
21Custer County12.1-1.1 pts
23Bingham County11.9-0.9 pts
23Elmore County11.9-1.1 pts
23Payette County11.9-2.2 pts
23Washington County11.9-2.4 pts
27Bonner County11.6-0.7 pts
28Boise County11.5-0.1 pts
29Franklin County11.3-1.7 pts
30Jefferson County11.2-0.9 pts
30Shoshone County11.2-1.5 pts
32Lemhi County11.1-0.7 pts
33Oneida County10.6+0.1 pts
34Clearwater County10.5-0.7 pts
35Caribou County10.20 pts
36Butte County10.1-0.4 pts
36Nez Perce County10.1-0.8 pts
38Bonneville County9.8-0.5 pts
39Kootenai County9.4-1.7 pts
40Bear Lake County9.2-1.9 pts
41Bannock County9.1-1.1 pts
42Latah County9-2 pts
43Ada County7.4+0.2 pts
44Madison County7.3-1.9 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-2021-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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021. 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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021.

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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2021,
  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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2021-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021. 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-2021-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 Idaho by uninsured rate, under 65 (US model-based estimate), 2021
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-2021-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/idaho-counties?period=2021.
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-2021-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)?

Clark County, with 27.3% in 2021, according to the U.S. Census Bureau.

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

Madison County, with 7.3% in 2021.

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 Idaho: more rankings