Counties in Idaho by uninsured rate, under 19 (US model-based estimate)

Clark County had the highest uninsured rate, under 19 (US model-based estimate) of 44 counties in 2021, at 21.4%. Ada County had the lowest, at 4.6%. The median was 8.3% and the figure for Idaho was 7%. Source: the U.S. Census Bureau.

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Highest21.4Clark County
Lowest4.6Ada County
Median8.344 counties
Idaho7History

Map of counties, 2021

Ada County: 4.6 %Adams County: 8.9 %Bannock County: 5 %Bear Lake County: 7.3 %Benewah County: 8.3 %Bingham County: 7.6 %Blaine County: 13.7 %Boise County: 8.7 %Bonner County: 7.8 %Bonneville County: 5.9 %Boundary County: 8.3 %Butte County: 7.6 %Camas County: 16.3 %Canyon County: 8.6 %Caribou County: 7.2 %Cassia County: 10.3 %Clark County: 21.4 %Clearwater County: 6.1 %Custer County: 9 %Elmore County: 7.5 %Franklin County: 8.3 %Fremont County: 8.8 %Gem County: 8.7 %Gooding County: 12.8 %Idaho County: 11.4 %Jefferson County: 8.6 %Jerome County: 12.5 %Kootenai County: 6.2 %Latah County: 7.2 %Lemhi County: 7.2 %Lewis County: 8.7 %Lincoln County: 14.2 %Madison County: 4.9 %Minidoka County: 12.5 %Nez Perce County: 6.5 %Oneida County: 7.7 %Owyhee County: 13.9 %Payette County: 7.9 %Power County: 10.2 %Shoshone County: 6.7 %Teton County: 13.8 %Twin Falls County: 7.8 %Valley County: 11.7 %Washington County: 7.2 %
  • Under 6.8
  • 6.8 to 7.6
  • 7.6 to 8.3
  • 8.3 to 8.9
  • 8.9 to 13
  • 13 and over
%, 2021. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Clark County: 21.4 %Clark County21.4Camas County: 16.3 %Camas County16.3Lincoln County: 14.2 %Lincoln County14.2Owyhee County: 13.9 %Owyhee County13.9Teton County: 13.8 %Teton County13.8Blaine County: 13.7 %Blaine County13.7Gooding County: 12.8 %Gooding County12.8Jerome County: 12.5 %Jerome County12.5Minidoka County: 12.5 %Minidoka County12.5Valley County: 11.7 %Valley County11.7Idaho County: 11.4 %Idaho County11.4Cassia County: 10.3 %Cassia County10.3Power County: 10.2 %Power County10.2Custer County: 9 %Custer County9Adams County: 8.9 %Adams County8.9Fremont County: 8.8 %Fremont County8.8Boise County: 8.7 %Boise County8.7Gem County: 8.7 %Gem County8.7Lewis County: 8.7 %Lewis County8.7Canyon County: 8.6 %Canyon County8.6Jefferson County: 8.6 %Jefferson County8.6Benewah County: 8.3 %Benewah County8.3Boundary County: 8.3 %Boundary County8.3Franklin County: 8.3 %Franklin County8.3Payette County: 7.9 %Payette County7.9Bonner County: 7.8 %Bonner County7.8Twin Falls County: 7.8 %Twin Falls County7.8Oneida County: 7.7 %Oneida County7.7Bingham County: 7.6 %Bingham County7.6Butte County: 7.6 %Butte County7.6Elmore County: 7.5 %Elmore County7.5Bear Lake County: 7.3 %Bear Lake County7.3Caribou County: 7.2 %Caribou County7.2Latah County: 7.2 %Latah County7.2Lemhi County: 7.2 %Lemhi County7.2Washington County: 7.2 %Washington County7.2Shoshone County: 6.7 %Shoshone County6.7Nez Perce County: 6.5 %Nez Perce County6.5Kootenai County: 6.2 %Kootenai County6.2Clearwater County: 6.1 %Clearwater County6.1Bonneville County: 5.9 %Bonneville County5.9Bannock County: 5 %Bannock County5Madison County: 4.9 %Madison County4.9Ada County: 4.6 %Ada County4.6Clark County: 21.4 %Clark County21.4Camas County: 16.3 %Camas County16.3Lincoln County: 14.2 %Lincoln County14.2Owyhee County: 13.9 %Owyhee County13.9Teton County: 13.8 %Teton County13.8Blaine County: 13.7 %Blaine County13.7Gooding County: 12.8 %Gooding County12.8Jerome County: 12.5 %Jerome County12.5Minidoka County: 12.5 %Minidoka County12.5Valley County: 11.7 %Valley County11.7Idaho County: 11.4 %Idaho County11.4Cassia County: 10.3 %Cassia County10.3Power County: 10.2 %Power County10.2Custer County: 9 %Custer County9Adams County: 8.9 %Adams County8.9Fremont County: 8.8 %Fremont County8.8Boise County: 8.7 %Boise County8.7Gem County: 8.7 %Gem County8.7Lewis County: 8.7 %Lewis County8.7Canyon County: 8.6 %Canyon County8.6Jefferson County: 8.6 %Jefferson County8.6Benewah County: 8.3 %Benewah County8.3Boundary County: 8.3 %Boundary County8.3Franklin County: 8.3 %Franklin County8.3Payette County: 7.9 %Payette County7.9Bonner County: 7.8 %Bonner County7.8Twin Falls County: 7.8 %Twin Falls County7.8Oneida County: 7.7 %Oneida County7.7Bingham County: 7.6 %Bingham County7.6Butte County: 7.6 %Butte County7.6Elmore County: 7.5 %Elmore County7.5Bear Lake County: 7.3 %Bear Lake County7.3Caribou County: 7.2 %Caribou County7.2Latah County: 7.2 %Latah County7.2Lemhi County: 7.2 %Lemhi County7.2Washington County: 7.2 %Washington County7.2Shoshone County: 6.7 %Shoshone County6.7Nez Perce County: 6.5 %Nez Perce County6.5Kootenai County: 6.2 %Kootenai County6.2Clearwater County: 6.1 %Clearwater County6.1Bonneville County: 5.9 %Bonneville County5.9Bannock County: 5 %Bannock County5Madison County: 4.9 %Madison County4.9Ada County: 4.6 %Ada County4.6
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)Change on 2020
1Clark County21.4+0.2 pts
2Camas County16.3+5.6 pts
3Lincoln County14.2+1.3 pts
4Owyhee County13.9+1.9 pts
5Teton County13.8+1.1 pts
6Blaine County13.7+2.7 pts
7Gooding County12.8+1.9 pts
8Jerome County12.5+1.3 pts
8Minidoka County12.5+1.5 pts
10Valley County11.7+2.2 pts
11Idaho County11.4+3.2 pts
12Cassia County10.3+2.2 pts
13Power County10.2-1.1 pts
14Custer County9+0.6 pts
15Adams County8.9+0.5 pts
16Fremont County8.8+0.1 pts
17Boise County8.7+1.5 pts
17Gem County8.7+1.2 pts
17Lewis County8.7+0.7 pts
20Canyon County8.6+1.1 pts
20Jefferson County8.6+1.1 pts
22Benewah County8.3-0.4 pts
22Boundary County8.3-2.1 pts
22Franklin County8.3-0.2 pts
25Payette County7.9+0.1 pts
26Bonner County7.8+1.3 pts
26Twin Falls County7.8+1 pts
28Oneida County7.7+0.2 pts
29Bingham County7.60 pts
29Butte County7.6-0.4 pts
31Elmore County7.5+0.1 pts
32Bear Lake County7.3-0.9 pts
33Caribou County7.2+0.7 pts
33Latah County7.2+0.2 pts
33Lemhi County7.2+1.5 pts
33Washington County7.2-0.8 pts
37Shoshone County6.7+0.8 pts
38Nez Perce County6.5+0.2 pts
39Kootenai County6.2+0.7 pts
40Clearwater County6.1+0.2 pts
41Bonneville County5.9+1.1 pts
42Bannock County5-0.1 pts
43Madison County4.9-0.9 pts
44Ada County4.6+1.2 pts

Other periods

About this ranking

People under 19 without health insurance coverage of any kind, as a percentage of all people under 19. 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. Under 19 matches the age limit for children in Medicaid and the Children's Health Insurance Program (CHIP).

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 19, 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 19, all races, both sexes, all income levels, states and counties (Counties in Idaho by uninsured rate, under 19 (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 19, all races, both sexes, all income levels, states and counties, Counties in Idaho by uninsured rate, under 19 (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-19/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 19, all races, both sexes, all income levels, states and counties. Counties in Idaho by uninsured rate, under 19 (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-19/idaho-counties?period=2021.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, all races, both sexes, all income levels, states and counties, Counties in Idaho by uninsured rate, under 19 (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-19/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 19, all races, both sexes, all income levels, states and counties: Counties in Idaho by uninsured rate, under 19 (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-19/idaho-counties?period=2021. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, 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 19, all races, both sexes, all income levels, states and counties: Counties in Idaho by uninsured rate, under 19 (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-19/idaho-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-19/idaho-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 19, 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 19 (US model-based estimate)?

Clark County, with 21.4% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 19 (US model-based estimate)?

Ada County, with 4.6% 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 19, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 19 (US model-based estimate): other rankings

Counties in Idaho: more rankings