Data / Rankings / Uninsured rate, ages 19 to 34 (US, ACS) / Counties in Maine

Counties in Maine by uninsured rate, ages 19 to 34 (US, ACS)

Franklin County had the highest uninsured rate, ages 19 to 34 (US, ACS) of 16 counties in 2023, at 22.4%. Cumberland County had the lowest, at 9.4%. The median was 13.4% and the figure for Maine was 12.1%. Source: the U.S. Census Bureau.

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Highest22.4Franklin County
Lowest9.4Cumberland County
Median13.416 counties
Maine12.1History

Map of counties, 2023

Androscoggin County: 11.8 %Aroostook County: 15.9 %Cumberland County: 9.4 %Franklin County: 22.4 %Hancock County: 18.3 %Kennebec County: 13.1 %Knox County: 12.4 %Lincoln County: 11.1 %Oxford County: 16.8 %Penobscot County: 11 %Piscataquis County: 19.7 %Sagadahoc County: 11.6 %Somerset County: 13.8 %Waldo County: 13.7 %Washington County: 18.9 %York County: 9.9 %
  • Under 11
  • 11 to 12
  • 12 to 14
  • 14 to 18
  • 18 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Franklin County: 22.4 %Franklin County22.4Piscataquis County: 19.7 %Piscataquis County19.7Washington County: 18.9 %Washington County18.9Hancock County: 18.3 %Hancock County18.3Oxford County: 16.8 %Oxford County16.8Aroostook County: 15.9 %Aroostook County15.9Somerset County: 13.8 %Somerset County13.8Waldo County: 13.7 %Waldo County13.7Kennebec County: 13.1 %Kennebec County13.1Knox County: 12.4 %Knox County12.4Androscoggin County: 11.8 %Androscoggin County11.8Sagadahoc County: 11.6 %Sagadahoc County11.6Lincoln County: 11.1 %Lincoln County11.1Penobscot County: 11 %Penobscot County11York County: 9.9 %York County9.9Cumberland County: 9.4 %Cumberland County9.4Franklin County: 22.4 %Franklin County22.4Piscataquis County: 19.7 %Piscataquis County19.7Washington County: 18.9 %Washington County18.9Hancock County: 18.3 %Hancock County18.3Oxford County: 16.8 %Oxford County16.8Aroostook County: 15.9 %Aroostook County15.9Somerset County: 13.8 %Somerset County13.8Waldo County: 13.7 %Waldo County13.7Kennebec County: 13.1 %Kennebec County13.1Knox County: 12.4 %Knox County12.4Androscoggin County: 11.8 %Androscoggin County11.8Sagadahoc County: 11.6 %Sagadahoc County11.6Lincoln County: 11.1 %Lincoln County11.1Penobscot County: 11 %Penobscot County11York County: 9.9 %York County9.9Cumberland County: 9.4 %Cumberland County9.4
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Franklin County22.4+2 pts
2Piscataquis County19.7-0.2 pts
3Washington County18.9-1.7 pts
4Hancock County18.3+1.8 pts
5Oxford County16.8-3.5 pts
6Aroostook County15.9-3 pts
7Somerset County13.8-0.4 pts
8Waldo County13.7-0.9 pts
9Kennebec County13.1+0.2 pts
10Knox County12.4-0.4 pts
11Androscoggin County11.8-1.6 pts
12Sagadahoc County11.6-3.1 pts
13Lincoln County11.1-4.3 pts
14Penobscot County11-1.3 pts
15York County9.9-0 pts
16Cumberland County9.4-0.6 pts

Other periods

About this ranking

People aged 19 to 34 without health insurance coverage of any kind, as a percentage of the civilian noninstitutionalized population aged 19 to 34. 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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, 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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs (Counties in Maine by uninsured rate, ages 19 to 34 (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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs, Counties in Maine by uninsured rate, ages 19 to 34 (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-19-34/maine-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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. Counties in Maine by uninsured rate, ages 19 to 34 (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-19-34/maine-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs, Counties in Maine by uninsured rate, ages 19 to 34 (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-19-34/maine-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs: Counties in Maine by uninsured rate, ages 19 to 34 (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-19-34/maine-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, 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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs: Counties in Maine by uninsured rate, ages 19 to 34 (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-19-34/maine-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/maine-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B27010: people aged 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, 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 Maine by uninsured rate, ages 19 to 34 (US, ACS) using official data, and cite the source.
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Questions

Which county has the highest uninsured rate, ages 19 to 34 (US, ACS)?

Franklin County, with 22.4% in 2023, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 19 to 34 (US, ACS)?

Cumberland County, with 9.4% 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 19 to 34 with no health insurance coverage as a percentage of the civilian noninstitutionalized population aged 19 to 34, calculated with stored inputs. Retrieved 2026-10-12.

Uninsured rate, ages 19 to 34 (US, ACS): other rankings

Counties in Maine: more rankings