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), 2024

Piscataquis County had the highest uninsured rate, ages 19 to 34 (US, ACS) of 16 counties in 2024, at 21.2%. York County had the lowest, at 9.1%. The median was 13.3% and the figure for Maine was 11.5%. Source: the U.S. Census Bureau.

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Highest21.2Piscataquis County
Lowest9.1York County
Median13.316 counties
Maine11.5History

Map of counties, 2024

Androscoggin County: 11.2 %Aroostook County: 16.2 %Cumberland County: 9.4 %Franklin County: 19 %Hancock County: 17.2 %Kennebec County: 12 %Knox County: 13.3 %Lincoln County: 11 %Oxford County: 16.5 %Penobscot County: 10.2 %Piscataquis County: 21.2 %Sagadahoc County: 11.5 %Somerset County: 13.3 %Waldo County: 13.4 %Washington County: 15.6 %York County: 9.1 %
  • Under 11
  • 11 to 12
  • 12 to 13
  • 13 to 17
  • 17 and over
%, 2024. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2024

Piscataquis County: 21.2 %Piscataquis County21.2Franklin County: 19 %Franklin County19Hancock County: 17.2 %Hancock County17.2Oxford County: 16.5 %Oxford County16.5Aroostook County: 16.2 %Aroostook County16.2Washington County: 15.6 %Washington County15.6Waldo County: 13.4 %Waldo County13.4Somerset County: 13.3 %Somerset County13.3Knox County: 13.3 %Knox County13.3Kennebec County: 12 %Kennebec County12Sagadahoc County: 11.5 %Sagadahoc County11.5Androscoggin County: 11.2 %Androscoggin County11.2Lincoln County: 11 %Lincoln County11Penobscot County: 10.2 %Penobscot County10.2Cumberland County: 9.4 %Cumberland County9.4York County: 9.1 %York County9.1Piscataquis County: 21.2 %Piscataquis County21.2Franklin County: 19 %Franklin County19Hancock County: 17.2 %Hancock County17.2Oxford County: 16.5 %Oxford County16.5Aroostook County: 16.2 %Aroostook County16.2Washington County: 15.6 %Washington County15.6Waldo County: 13.4 %Waldo County13.4Somerset County: 13.3 %Somerset County13.3Knox County: 13.3 %Knox County13.3Kennebec County: 12 %Kennebec County12Sagadahoc County: 11.5 %Sagadahoc County11.5Androscoggin County: 11.2 %Androscoggin County11.2Lincoln County: 11 %Lincoln County11Penobscot County: 10.2 %Penobscot County10.2Cumberland County: 9.4 %Cumberland County9.4York County: 9.1 %York County9.1
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2024 (%)Change on 2023
1Piscataquis County21.2+1.4 pts
2Franklin County19-3.4 pts
3Hancock County17.2-1.1 pts
4Oxford County16.5-0.2 pts
5Aroostook County16.2+0.3 pts
6Washington County15.6-3.4 pts
7Waldo County13.4-0.4 pts
8Somerset County13.3-0.5 pts
9Knox County13.3+0.9 pts
10Kennebec County12-1.2 pts
11Sagadahoc County11.5-0.1 pts
12Androscoggin County11.2-0.7 pts
13Lincoln County11-0.2 pts
14Penobscot County10.2-0.8 pts
15Cumberland County9.40 pts
16York County9.1-0.8 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/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 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), 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 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), 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-ages-19-34/maine-counties. 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), 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-ages-19-34/maine-counties.

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), 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-ages-19-34/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 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), 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-ages-19-34/maine-counties. 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/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 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), 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-ages-19-34/maine-counties
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-19-34/maine-counties.
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/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, ages 19 to 34 (US, ACS)?

Piscataquis County, with 21.2% in 2024, according to the U.S. Census Bureau.

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

York County, with 9.1% 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 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