Data / Rankings / Uninsured rate, under 65 (US model-based estimate) / Counties in Maine

Counties in Maine by uninsured rate, under 65 (US model-based estimate)

Washington County had the highest uninsured rate, under 65 (US model-based estimate) of 16 counties in 2017, at 15.6%. Sagadahoc County had the lowest, at 8.5%. The median was 11.5% and the figure for Maine was 10.2%. Source: the U.S. Census Bureau.

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Highest15.6Washington County
Lowest8.5Sagadahoc County
Median11.516 counties
Maine10.2History

Map of counties, 2017

Androscoggin County: 9.4 %Aroostook County: 11.8 %Cumberland County: 9.2 %Franklin County: 10.8 %Hancock County: 11.8 %Kennebec County: 9.7 %Knox County: 11.7 %Lincoln County: 13.6 %Oxford County: 11.3 %Penobscot County: 10.9 %Piscataquis County: 12.2 %Sagadahoc County: 8.5 %Somerset County: 12.1 %Waldo County: 12.4 %Washington County: 15.6 %York County: 8.6 %
  • Under 9.4
  • 9.4 to 11
  • 11 to 12
  • 12 and over
%, 2017. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2017

Washington County: 15.6 %Washington County15.6Lincoln County: 13.6 %Lincoln County13.6Waldo County: 12.4 %Waldo County12.4Piscataquis County: 12.2 %Piscataquis County12.2Somerset County: 12.1 %Somerset County12.1Aroostook County: 11.8 %Aroostook County11.8Hancock County: 11.8 %Hancock County11.8Knox County: 11.7 %Knox County11.7Oxford County: 11.3 %Oxford County11.3Penobscot County: 10.9 %Penobscot County10.9Franklin County: 10.8 %Franklin County10.8Kennebec County: 9.7 %Kennebec County9.7Androscoggin County: 9.4 %Androscoggin County9.4Cumberland County: 9.2 %Cumberland County9.2York County: 8.6 %York County8.6Sagadahoc County: 8.5 %Sagadahoc County8.5Washington County: 15.6 %Washington County15.6Lincoln County: 13.6 %Lincoln County13.6Waldo County: 12.4 %Waldo County12.4Piscataquis County: 12.2 %Piscataquis County12.2Somerset County: 12.1 %Somerset County12.1Aroostook County: 11.8 %Aroostook County11.8Hancock County: 11.8 %Hancock County11.8Knox County: 11.7 %Knox County11.7Oxford County: 11.3 %Oxford County11.3Penobscot County: 10.9 %Penobscot County10.9Franklin County: 10.8 %Franklin County10.8Kennebec County: 9.7 %Kennebec County9.7Androscoggin County: 9.4 %Androscoggin County9.4Cumberland County: 9.2 %Cumberland County9.2York County: 8.6 %York County8.6Sagadahoc County: 8.5 %Sagadahoc County8.5
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2017 (%)Change on 2016
1Washington County15.6-0.8 pts
2Lincoln County13.6+1.3 pts
3Waldo County12.4+0.5 pts
4Piscataquis County12.2-1.2 pts
5Somerset County12.1+0.1 pts
6Aroostook County11.8+0.3 pts
6Hancock County11.8+0.2 pts
8Knox County11.7+0.8 pts
9Oxford County11.3+0.4 pts
10Penobscot County10.9-1.1 pts
11Franklin County10.8-0.8 pts
12Kennebec County9.7-0.1 pts
13Androscoggin County9.40 pts
14Cumberland County9.2+1.4 pts
15York County8.6-0.6 pts
16Sagadahoc County8.5-0.1 pts

Other periods

About this ranking

People under 65 without health insurance coverage of any kind, as a percentage of all people under 65. United States: Census Bureau Small Area Health Insurance Estimates (SAHIE) for states and counties, all races, both sexes and all income levels.

A model-based single-year estimate that combines the American Community Survey with administrative records and population estimates, so every county gets a figure. Covers states and counties only, because the SAHIE dataset files have no national row. The Census Bureau advises comparing years from 2008 on only; 2013 is the updated release. People 65 and over are left out because nearly all of them have Medicare.

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. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. 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). Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties (Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties, Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties: Counties in Maine by uninsured rate, under 65 (US model-based estimate), 2017
PY  - 2026
DA  - 2026/08/06
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-under-65/maine-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2017-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, under 65 (US model-based estimate)?

Washington County, with 15.6% in 2017, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, under 65 (US model-based estimate)?

Sagadahoc County, with 8.5% in 2017.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, under 65, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, under 65 (US model-based estimate): other rankings

Counties in Maine: more rankings