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 2023, at 36.7%. Madison County had the lowest, at 6.3%. The median was 14.3% and the figure for Idaho was 11.9%. Source: the U.S. Census Bureau.

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Highest36.7Clark County
Lowest6.3Madison County
Median14.344 counties
Idaho11.9History

Map of counties, 2023

Ada County: 7.7 %Adams County: 17.6 %Bannock County: 9.3 %Bear Lake County: 9.8 %Benewah County: 19.2 %Bingham County: 12.2 %Blaine County: 16 %Boise County: 12.4 %Bonner County: 15.7 %Bonneville County: 11 %Boundary County: 16 %Butte County: 12.6 %Camas County: 16.7 %Canyon County: 15.1 %Caribou County: 13 %Cassia County: 13.3 %Clark County: 36.7 %Clearwater County: 16.3 %Custer County: 28.6 %Elmore County: 13.2 %Franklin County: 13.4 %Fremont County: 14.5 %Gem County: 17.7 %Gooding County: 26.1 %Idaho County: 20.2 %Jefferson County: 10.4 %Jerome County: 21.8 %Kootenai County: 12.3 %Latah County: 9 %Lemhi County: 12.6 %Lewis County: 18.5 %Lincoln County: 21.1 %Madison County: 6.3 %Minidoka County: 19.3 %Nez Perce County: 10.4 %Oneida County: 9.7 %Owyhee County: 20.5 %Payette County: 13.3 %Power County: 19.6 %Shoshone County: 17.2 %Teton County: 14.6 %Twin Falls County: 13.2 %Valley County: 13.7 %Washington County: 14.1 %
  • Under 11
  • 11 to 13
  • 13 to 14
  • 14 to 17
  • 17 to 20
  • 20 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Clark County: 36.7 %Clark County36.7Custer County: 28.6 %Custer County28.6Gooding County: 26.1 %Gooding County26.1Jerome County: 21.8 %Jerome County21.8Lincoln County: 21.1 %Lincoln County21.1Owyhee County: 20.5 %Owyhee County20.5Idaho County: 20.2 %Idaho County20.2Power County: 19.6 %Power County19.6Minidoka County: 19.3 %Minidoka County19.3Benewah County: 19.2 %Benewah County19.2Lewis County: 18.5 %Lewis County18.5Gem County: 17.7 %Gem County17.7Adams County: 17.6 %Adams County17.6Shoshone County: 17.2 %Shoshone County17.2Camas County: 16.7 %Camas County16.7Clearwater County: 16.3 %Clearwater County16.3Blaine County: 16 %Blaine County16Boundary County: 16 %Boundary County16Bonner County: 15.7 %Bonner County15.7Canyon County: 15.1 %Canyon County15.1Teton County: 14.6 %Teton County14.6Fremont County: 14.5 %Fremont County14.5Washington County: 14.1 %Washington County14.1Valley County: 13.7 %Valley County13.7Franklin County: 13.4 %Franklin County13.4Payette County: 13.3 %Payette County13.3Cassia County: 13.3 %Cassia County13.3Elmore County: 13.2 %Elmore County13.2Twin Falls County: 13.2 %Twin Falls County13.2Caribou County: 13 %Caribou County13Lemhi County: 12.6 %Lemhi County12.6Butte County: 12.6 %Butte County12.6Boise County: 12.4 %Boise County12.4Kootenai County: 12.3 %Kootenai County12.3Bingham County: 12.2 %Bingham County12.2Bonneville County: 11 %Bonneville County11Jefferson County: 10.4 %Jefferson County10.4Nez Perce County: 10.4 %Nez Perce County10.4Bear Lake County: 9.8 %Bear Lake County9.8Oneida County: 9.7 %Oneida County9.7Bannock County: 9.3 %Bannock County9.3Latah County: 9 %Latah County9Ada County: 7.7 %Ada County7.7Madison County: 6.3 %Madison County6.3Clark County: 36.7 %Clark County36.7Custer County: 28.6 %Custer County28.6Gooding County: 26.1 %Gooding County26.1Jerome County: 21.8 %Jerome County21.8Lincoln County: 21.1 %Lincoln County21.1Owyhee County: 20.5 %Owyhee County20.5Idaho County: 20.2 %Idaho County20.2Power County: 19.6 %Power County19.6Minidoka County: 19.3 %Minidoka County19.3Benewah County: 19.2 %Benewah County19.2Lewis County: 18.5 %Lewis County18.5Gem County: 17.7 %Gem County17.7Adams County: 17.6 %Adams County17.6Shoshone County: 17.2 %Shoshone County17.2Camas County: 16.7 %Camas County16.7Clearwater County: 16.3 %Clearwater County16.3Blaine County: 16 %Blaine County16Boundary County: 16 %Boundary County16Bonner County: 15.7 %Bonner County15.7Canyon County: 15.1 %Canyon County15.1Teton County: 14.6 %Teton County14.6Fremont County: 14.5 %Fremont County14.5Washington County: 14.1 %Washington County14.1Valley County: 13.7 %Valley County13.7Franklin County: 13.4 %Franklin County13.4Payette County: 13.3 %Payette County13.3Cassia County: 13.3 %Cassia County13.3Elmore County: 13.2 %Elmore County13.2Twin Falls County: 13.2 %Twin Falls County13.2Caribou County: 13 %Caribou County13Lemhi County: 12.6 %Lemhi County12.6Butte County: 12.6 %Butte County12.6Boise County: 12.4 %Boise County12.4Kootenai County: 12.3 %Kootenai County12.3Bingham County: 12.2 %Bingham County12.2Bonneville County: 11 %Bonneville County11Jefferson County: 10.4 %Jefferson County10.4Nez Perce County: 10.4 %Nez Perce County10.4Bear Lake County: 9.8 %Bear Lake County9.8Oneida County: 9.7 %Oneida County9.7Bannock County: 9.3 %Bannock County9.3Latah County: 9 %Latah County9Ada County: 7.7 %Ada County7.7Madison County: 6.3 %Madison County6.3
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Clark County36.7-7.1 pts
2Custer County28.6-2.9 pts
3Gooding County26.1+0.8 pts
4Jerome County21.8+2.1 pts
5Lincoln County21.1-2.7 pts
6Owyhee County20.5-0.5 pts
7Idaho County20.2-1.5 pts
8Power County19.6+2.8 pts
9Minidoka County19.3-2.3 pts
10Benewah County19.2+0.7 pts
11Lewis County18.5+2.8 pts
12Gem County17.70 pts
13Adams County17.6+0.1 pts
14Shoshone County17.2-4.3 pts
15Camas County16.7+5.9 pts
16Clearwater County16.3-1.7 pts
17Blaine County16-4.9 pts
18Boundary County16+1.2 pts
19Bonner County15.7+2.1 pts
20Canyon County15.1-0.6 pts
21Teton County14.6-0.2 pts
22Fremont County14.5-0.8 pts
23Washington County14.1-2.4 pts
24Valley County13.7+0.5 pts
25Franklin County13.4+1.1 pts
26Payette County13.3-3.5 pts
27Cassia County13.3-1.4 pts
28Elmore County13.2+0.1 pts
29Twin Falls County13.2-0.3 pts
30Caribou County13-2.8 pts
31Lemhi County12.6-1.5 pts
32Butte County12.6+3.1 pts
33Boise County12.4-4.1 pts
34Kootenai County12.3-0.6 pts
35Bingham County12.2-0.9 pts
36Bonneville County11-1.7 pts
37Jefferson County10.4-0.9 pts
38Nez Perce County10.4-2.3 pts
39Bear Lake County9.8+1.5 pts
40Oneida County9.7-0.5 pts
41Bannock County9.3-0.7 pts
42Latah County9+0.1 pts
43Ada County7.7-0.7 pts
44Madison County6.3-0.5 pts

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/2023/table-based-SF/data/5YRData/acsdt5y2023-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), 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-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), 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023. 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), 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023.

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), 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2023,
  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), 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023. 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/2023/table-based-SF/data/5YRData/acsdt5y2023-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), 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b27010.dat
L2  - https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-35-64/idaho-counties?period=2023.
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/2023/table-based-SF/data/5YRData/acsdt5y2023-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.
rank_places {"indicator":"uninsured_rate_35_64","level":"province","within":"Idaho","limit":10}
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Questions

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

Clark County, with 36.7% in 2023, according to the U.S. Census Bureau.

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

Madison County, with 6.3% in 2023.

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