Data / Rankings / Uninsured rate, ages 35 to 64 (US, ACS) / Counties in Idaho

Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS)

Clark County had the highest uninsured rate, ages 35 to 64 (US, ACS) of 44 counties in 2021, at 43.1%. Oneida County had the lowest, at 7.2%. The median was 16.3% and the figure for Idaho was 13.4%. Source: the U.S. Census Bureau.

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Highest43.1Clark County
Lowest7.2Oneida County
Median16.344 counties
Idaho13.4History

Map of counties, 2021

Ada County: 9 %Adams County: 16.4 %Bannock County: 10.9 %Bear Lake County: 11.5 %Benewah County: 19.5 %Bingham County: 14.2 %Blaine County: 20.1 %Boise County: 20.3 %Bonner County: 14 %Bonneville County: 12.4 %Boundary County: 21.8 %Butte County: 8.1 %Camas County: 13.3 %Canyon County: 16.8 %Caribou County: 18 %Cassia County: 17.2 %Clark County: 43.1 %Clearwater County: 17 %Custer County: 19.4 %Elmore County: 16.2 %Franklin County: 11 %Fremont County: 15.1 %Gem County: 19.8 %Gooding County: 23.4 %Idaho County: 22.3 %Jefferson County: 11.4 %Jerome County: 21.7 %Kootenai County: 12.9 %Latah County: 8.5 %Lemhi County: 15.5 %Lewis County: 18.8 %Lincoln County: 24.9 %Madison County: 8.4 %Minidoka County: 26.1 %Nez Perce County: 13 %Oneida County: 7.2 %Owyhee County: 23.9 %Payette County: 16 %Power County: 17.8 %Shoshone County: 24.2 %Teton County: 13 %Twin Falls County: 14.5 %Valley County: 13.1 %Washington County: 21.7 %
  • Under 11
  • 11 to 14
  • 14 to 16
  • 16 to 19
  • 19 to 22
  • 22 and over
%, 2021. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2021

Clark County: 43.1 %Clark County43.1Minidoka County: 26.1 %Minidoka County26.1Lincoln County: 24.9 %Lincoln County24.9Shoshone County: 24.2 %Shoshone County24.2Owyhee County: 23.9 %Owyhee County23.9Gooding County: 23.4 %Gooding County23.4Idaho County: 22.3 %Idaho County22.3Boundary County: 21.8 %Boundary County21.8Washington County: 21.7 %Washington County21.7Jerome County: 21.7 %Jerome County21.7Boise County: 20.3 %Boise County20.3Blaine County: 20.1 %Blaine County20.1Gem County: 19.8 %Gem County19.8Benewah County: 19.5 %Benewah County19.5Custer County: 19.4 %Custer County19.4Lewis County: 18.8 %Lewis County18.8Caribou County: 18 %Caribou County18Power County: 17.8 %Power County17.8Cassia County: 17.2 %Cassia County17.2Clearwater County: 17 %Clearwater County17Canyon County: 16.8 %Canyon County16.8Adams County: 16.4 %Adams County16.4Elmore County: 16.2 %Elmore County16.2Payette County: 16 %Payette County16Lemhi County: 15.5 %Lemhi County15.5Fremont County: 15.1 %Fremont County15.1Twin Falls County: 14.5 %Twin Falls County14.5Bingham County: 14.2 %Bingham County14.2Bonner County: 14 %Bonner County14Camas County: 13.3 %Camas County13.3Valley County: 13.1 %Valley County13.1Nez Perce County: 13 %Nez Perce County13Teton County: 13 %Teton County13Kootenai County: 12.9 %Kootenai County12.9Bonneville County: 12.4 %Bonneville County12.4Bear Lake County: 11.5 %Bear Lake County11.5Jefferson County: 11.4 %Jefferson County11.4Franklin County: 11 %Franklin County11Bannock County: 10.9 %Bannock County10.9Ada County: 9 %Ada County9Latah County: 8.5 %Latah County8.5Madison County: 8.4 %Madison County8.4Butte County: 8.1 %Butte County8.1Oneida County: 7.2 %Oneida County7.2Clark County: 43.1 %Clark County43.1Minidoka County: 26.1 %Minidoka County26.1Lincoln County: 24.9 %Lincoln County24.9Shoshone County: 24.2 %Shoshone County24.2Owyhee County: 23.9 %Owyhee County23.9Gooding County: 23.4 %Gooding County23.4Idaho County: 22.3 %Idaho County22.3Boundary County: 21.8 %Boundary County21.8Washington County: 21.7 %Washington County21.7Jerome County: 21.7 %Jerome County21.7Boise County: 20.3 %Boise County20.3Blaine County: 20.1 %Blaine County20.1Gem County: 19.8 %Gem County19.8Benewah County: 19.5 %Benewah County19.5Custer County: 19.4 %Custer County19.4Lewis County: 18.8 %Lewis County18.8Caribou County: 18 %Caribou County18Power County: 17.8 %Power County17.8Cassia County: 17.2 %Cassia County17.2Clearwater County: 17 %Clearwater County17Canyon County: 16.8 %Canyon County16.8Adams County: 16.4 %Adams County16.4Elmore County: 16.2 %Elmore County16.2Payette County: 16 %Payette County16Lemhi County: 15.5 %Lemhi County15.5Fremont County: 15.1 %Fremont County15.1Twin Falls County: 14.5 %Twin Falls County14.5Bingham County: 14.2 %Bingham County14.2Bonner County: 14 %Bonner County14Camas County: 13.3 %Camas County13.3Valley County: 13.1 %Valley County13.1Nez Perce County: 13 %Nez Perce County13Teton County: 13 %Teton County13Kootenai County: 12.9 %Kootenai County12.9Bonneville County: 12.4 %Bonneville County12.4Bear Lake County: 11.5 %Bear Lake County11.5Jefferson County: 11.4 %Jefferson County11.4Franklin County: 11 %Franklin County11Bannock County: 10.9 %Bannock County10.9Ada County: 9 %Ada County9Latah County: 8.5 %Latah County8.5Madison County: 8.4 %Madison County8.4Butte County: 8.1 %Butte County8.1Oneida County: 7.2 %Oneida County7.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2021 (%)
1Clark County43.1
2Minidoka County26.1
3Lincoln County24.9
4Shoshone County24.2
5Owyhee County23.9
6Gooding County23.4
7Idaho County22.3
8Boundary County21.8
9Washington County21.7
10Jerome County21.7
11Boise County20.3
12Blaine County20.1
13Gem County19.8
14Benewah County19.5
15Custer County19.4
16Lewis County18.8
17Caribou County18
18Power County17.8
19Cassia County17.2
20Clearwater County17
21Canyon County16.8
22Adams County16.4
23Elmore County16.2
24Payette County16
25Lemhi County15.5
26Fremont County15.1
27Twin Falls County14.5
28Bingham County14.2
29Bonner County14
30Camas County13.3
31Valley County13.1
32Nez Perce County13
33Teton County13
34Kootenai County12.9
35Bonneville County12.4
36Bear Lake County11.5
37Jefferson County11.4
38Franklin County11
39Bannock County10.9
40Ada County9
41Latah County8.5
42Madison County8.4
43Butte County8.1
44Oneida County7.2

Other periods

About this ranking

People aged 35 to 64 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 35 to 64. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Coverage is what people reported at the interview, so the five-year figure averages five years of answers. People whose only coverage is the Indian Health Service count as uninsured. Active-duty military and people living in institutions are outside the universe. For single-year model-based county figures under 65, see uninsured_rate_under_65, uninsured_rate_18_64 and uninsured_rate_under_19 (SAHIE), a different source.

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. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. 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). American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs (Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs, Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs: Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS), 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b27010.dat. Retrieved 2026-10-12.
ER  -
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Rank Counties in Idaho by uninsured rate, ages 35 to 64 (US, ACS) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, ages 35 to 64 (US, ACS)?

Clark County, with 43.1% in 2021, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 35 to 64 (US, ACS)?

Oneida County, with 7.2% 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, American Community Survey 5-year estimates, table B27010: people aged 35 to 64 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 35 to 64, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 35 to 64 (US, ACS): other rankings

Counties in Idaho: more rankings