Data / Rankings / Uninsured rate, 65 and over (US, ACS) / Counties in Maine

Counties in Maine by uninsured rate, 65 and over (US, ACS), 2024

Franklin County had the highest uninsured rate, 65 and over (US, ACS) of 16 counties in 2024, at 0.9%. Knox County had the lowest, at 0%. The median was 0.2% and the figure for Maine was 0.2%. Source: the U.S. Census Bureau.

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Highest0.9Franklin County
Lowest0Knox County
Median0.216 counties
Maine0.2History

Map of counties, 2024

Androscoggin County: 0.2 %Aroostook County: 0.2 %Cumberland County: 0.3 %Franklin County: 0.9 %Hancock County: 0.1 %Kennebec County: 0.4 %Knox County: 0 %Lincoln County: 0.2 %Oxford County: 0.2 %Penobscot County: 0.1 %Piscataquis County: 0.2 %Sagadahoc County: 0.3 %Somerset County: 0.5 %Waldo County: 0.1 %Washington County: 0.1 %York County: 0.2 %
  • Under 0.1
  • 0.1 to 0.2
  • 0.2 to 0.3
  • 0.3 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Franklin County: 0.9 %Franklin County0.9Somerset County: 0.5 %Somerset County0.5Kennebec County: 0.4 %Kennebec County0.4Cumberland County: 0.3 %Cumberland County0.3Sagadahoc County: 0.3 %Sagadahoc County0.3Aroostook County: 0.2 %Aroostook County0.2Androscoggin County: 0.2 %Androscoggin County0.2Oxford County: 0.2 %Oxford County0.2Piscataquis County: 0.2 %Piscataquis County0.2York County: 0.2 %York County0.2Lincoln County: 0.2 %Lincoln County0.2Washington County: 0.1 %Washington County0.1Penobscot County: 0.1 %Penobscot County0.1Hancock County: 0.1 %Hancock County0.1Waldo County: 0.1 %Waldo County0.1Knox County: 0 %Knox County0Franklin County: 0.9 %Franklin County0.9Somerset County: 0.5 %Somerset County0.5Kennebec County: 0.4 %Kennebec County0.4Cumberland County: 0.3 %Cumberland County0.3Sagadahoc County: 0.3 %Sagadahoc County0.3Aroostook County: 0.2 %Aroostook County0.2Androscoggin County: 0.2 %Androscoggin County0.2Oxford County: 0.2 %Oxford County0.2Piscataquis County: 0.2 %Piscataquis County0.2York County: 0.2 %York County0.2Lincoln County: 0.2 %Lincoln County0.2Washington County: 0.1 %Washington County0.1Penobscot County: 0.1 %Penobscot County0.1Hancock County: 0.1 %Hancock County0.1Waldo County: 0.1 %Waldo County0.1Knox County: 0 %Knox County0
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Franklin County0.9+0.5 pts
2Somerset County0.5+0.3 pts
3Kennebec County0.4-0 pts
4Cumberland County0.3+0.2 pts
5Sagadahoc County0.30 pts
6Aroostook County0.20 pts
7Androscoggin County0.20 pts
7Oxford County0.20 pts
9Piscataquis County0.20 pts
10York County0.2+0.1 pts
11Lincoln County0.2-0 pts
12Washington County0.10 pts
13Penobscot County0.10 pts
14Hancock County0.1-0.1 pts
15Waldo County0.1+0.1 pts
16Knox County00 pts

Other periods

About this ranking

People aged 65 and over without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 65 and over. 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 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, 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 aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs (Counties in Maine by uninsured rate, 65 and over (US, ACS), 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 aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs, Counties in Maine by uninsured rate, 65 and over (US, ACS), 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/rankings/uninsured-rate-65-and-over/maine-counties. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B27010: people aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs. Counties in Maine by uninsured rate, 65 and over (US, ACS), 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/rankings/uninsured-rate-65-and-over/maine-counties.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs, Counties in Maine by uninsured rate, 65 and over (US, ACS), 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/rankings/uninsured-rate-65-and-over/maine-counties (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs: Counties in Maine by uninsured rate, 65 and over (US, ACS), 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/rankings/uninsured-rate-65-and-over/maine-counties. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, 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 aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs: Counties in Maine by uninsured rate, 65 and over (US, ACS), 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/rankings/uninsured-rate-65-and-over/maine-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-65-and-over/maine-counties.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, 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

Which county has the highest uninsured rate, 65 and over (US, ACS)?

Franklin County, with 0.9% in 2024, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, 65 and over (US, ACS)?

Knox County, with 0% in 2024.

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 65 and over with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 65 and over, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, 65 and over (US, ACS): other rankings

Counties in Maine: more rankings