Data / Uninsured rate, all ages (US) / Custer County

Uninsured rate, all ages (US) in Custer County

Uninsured rate, all ages (US) in Custer County was 7.7% in 2024, according to the U.S. Census Bureau. That is up 0.1 pts from 2023. That is the 25th highest of 56 counties in 2024.

20247.7%
Change on 2023+0.1 pts
Rank25th of 56Counties in Montana ranked
Series high7.72024
Series low6.32021

Next release: Friday, 29 January 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Uninsured rate, all ages (US) in Custer County, 2021 to 2024

66.577.5820212022202320242021: 6.3 %2022: 7.4 %2023: 7.6 %2024: 7.7 %66.577.58202120242021: 6.3 %2022: 7.4 %2023: 7.6 %2024: 7.7 %
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12, published 2026-01-29.
All 4 values
Period%
20247.7
20237.6
20227.4
20216.3

Compared with Montana and United States

Place2024
Custer County7.7
Montana8.6
United States8.4

Custer County compared with nearby places

Beaverhead County: 4.3 %Big Horn County: 21.7 %Blaine County: 18.3 %Broadwater County: 7.5 %Carbon County: 8.2 %Carter County: 7.5 %Cascade County: 7 %Chouteau County: 5.7 %Custer County: 7.7 %Daniels County: 2 %Dawson County: 6.6 %Deer Lodge County: 5.7 %Fallon County: 3.1 %Fergus County: 16.2 %Flathead County: 10.1 %Gallatin County: 7 %Garfield County: 9.8 %Glacier County: 23.6 %Golden Valley County: 22.9 %Granite County: 8.5 %Hill County: 8.3 %Jefferson County: 5.9 %Judith Basin County: 6.8 %Lake County: 14.5 %Lewis and Clark County: 5.7 %Liberty County: 3.4 %Lincoln County: 14.9 %McCone County: 5.3 %Madison County: 7.1 %Meagher County: 3.6 %Mineral County: 9.1 %Missoula County: 6.1 %Musselshell County: 10.1 %Park County: 8.1 %Petroleum County: 6.7 %Phillips County: 7.6 %Pondera County: 8.2 %Powder River County: 7.6 %Powell County: 6.4 %Prairie County: 4.7 %Ravalli County: 10.5 %Richland County: 4.8 %Roosevelt County: 25.2 %Rosebud County: 16.3 %Sanders County: 13.7 %Sheridan County: 7.3 %Silver Bow County: 6 %Stillwater County: 5.2 %Sweet Grass County: 10.3 %Teton County: 5.4 %Toole County: 8.3 %Treasure County: 4.1 %Valley County: 6.4 %Wheatland County: 17.9 %Wibaux County: 6.5 %Yellowstone County: 7.7 %
  • Under 5.3
  • 5.3 to 6.5
  • 6.5 to 7.5
  • 7.5 to 8.3
  • 8.3 to 14
  • 14 and over
Uninsured rate, all ages (US), 2024, %. Custer County is outlined. Same source and period for every area shown. Source: U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

Rankings

Definition

People without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population. 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.

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How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-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 with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs (Uninsured rate, all ages (US), Custer County, 2021 to 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat

MLA 9

American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Uninsured rate, all ages (US), Custer County, 2021 to 2024. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Invokely, https://invokely.ai/en/uninsured-rate/custer-county-montana. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Uninsured rate, all ages (US), Custer County, 2021 to 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Also distributed by Invokely, https://invokely.ai/en/uninsured-rate/custer-county-montana.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs, Uninsured rate, all ages (US), Custer County, 2021 to 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat, via Invokely: https://invokely.ai/en/uninsured-rate/custer-county-montana (Accessed: 12 October 2026).

BibTeX
@misc{census_uninsured_rate_all_ages_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Uninsured rate, all ages (US), Custer County, 2021 to 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/uninsured-rate/custer-county-montana. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs: Uninsured rate, all ages (US), Custer County, 2021 to 2024
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat
L2  - https://invokely.ai/en/uninsured-rate/custer-county-montana
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/uninsured-rate/custer-county-montana.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b27010.dat. Retrieved 2026-10-12.
ER  -
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Questions

What is the uninsured rate, all ages (US) in Custer County?

Uninsured rate, all ages (US) in Custer County was 7.7% in 2024, according to the U.S. Census Bureau. That is up 0.1 pts from 2023. That is the 25th highest of 56 counties in 2024.

Where does this figure come from?

U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people with no health insurance coverage as a percentage of the civilian noninstitutionalized population, calculated with stored inputs. Retrieved by Invokely on 2026-10-12.

What was the highest uninsured rate, all ages (US) in Custer County?

7.7% in 2024, the highest value since 2021 in this series.

Related statistics for Custer County

All statistics for Custer County | Custer County in figures