Data / Rankings / Uninsured rate, ages 18 to 64 (US model-based estimate) / Counties in Maine

Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate)

Washington County had the highest uninsured rate, ages 18 to 64 (US model-based estimate) of 16 counties in 2014, at 20.6%. Cumberland County had the lowest, at 11.9%. The median was 16.2% and the figure for Maine was 14.3%. Source: the U.S. Census Bureau.

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Highest20.6Washington County
Lowest11.9Cumberland County
Median16.216 counties
Maine14.3History

Map of counties, 2014

Androscoggin County: 14.3 %Aroostook County: 17.3 %Cumberland County: 11.9 %Franklin County: 16 %Hancock County: 16.8 %Kennebec County: 12.3 %Knox County: 16.3 %Lincoln County: 16 %Oxford County: 16.4 %Penobscot County: 16.5 %Piscataquis County: 16.4 %Sagadahoc County: 12.5 %Somerset County: 17 %Waldo County: 15.8 %Washington County: 20.6 %York County: 12.7 %
  • Under 13
  • 13 to 16
  • 16 to 17
  • 17 and over
%, 2014. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2014

Washington County: 20.6 %Washington County20.6Aroostook County: 17.3 %Aroostook County17.3Somerset County: 17 %Somerset County17Hancock County: 16.8 %Hancock County16.8Penobscot County: 16.5 %Penobscot County16.5Oxford County: 16.4 %Oxford County16.4Piscataquis County: 16.4 %Piscataquis County16.4Knox County: 16.3 %Knox County16.3Franklin County: 16 %Franklin County16Lincoln County: 16 %Lincoln County16Waldo County: 15.8 %Waldo County15.8Androscoggin County: 14.3 %Androscoggin County14.3York County: 12.7 %York County12.7Sagadahoc County: 12.5 %Sagadahoc County12.5Kennebec County: 12.3 %Kennebec County12.3Cumberland County: 11.9 %Cumberland County11.9Washington County: 20.6 %Washington County20.6Aroostook County: 17.3 %Aroostook County17.3Somerset County: 17 %Somerset County17Hancock County: 16.8 %Hancock County16.8Penobscot County: 16.5 %Penobscot County16.5Oxford County: 16.4 %Oxford County16.4Piscataquis County: 16.4 %Piscataquis County16.4Knox County: 16.3 %Knox County16.3Franklin County: 16 %Franklin County16Lincoln County: 16 %Lincoln County16Waldo County: 15.8 %Waldo County15.8Androscoggin County: 14.3 %Androscoggin County14.3York County: 12.7 %York County12.7Sagadahoc County: 12.5 %Sagadahoc County12.5Kennebec County: 12.3 %Kennebec County12.3Cumberland County: 11.9 %Cumberland County11.9
%. Source: U.S. Census Bureau, Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Full ranking

RankCounties2014 (%)Change on 2013
1Washington County20.6-1.3 pts
2Aroostook County17.3-1.3 pts
3Somerset County17-0.5 pts
4Hancock County16.8-1.9 pts
5Penobscot County16.5-0.4 pts
6Oxford County16.4-1.3 pts
6Piscataquis County16.4-2.6 pts
8Knox County16.3-2.3 pts
9Franklin County16-1.5 pts
9Lincoln County16-3.4 pts
11Waldo County15.8-1.3 pts
12Androscoggin County14.3-1 pts
13York County12.7-1.7 pts
14Sagadahoc County12.5-0.8 pts
15Kennebec County12.3-3.3 pts
16Cumberland County11.9-2 pts

Other periods

About this ranking

People aged 18 to 64 without health insurance coverage of any kind, as a percentage of all people aged 18 to 64. 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. Working-age adults; the rate for everyone under 65 is uninsured_rate_under_65.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-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, ages 18 to 64, all races, both sexes, all income levels, states and counties (Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip

MLA 9

Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014. U.S. Census Bureau, 6 Aug. 2026, https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Also distributed by Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014.

Harvard

U.S. Census Bureau (2026) Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties, Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014 [Dataset]. Available at: https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip, via Invokely: https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_maine_by_2014,
  author = {{U.S. Census Bureau}},
  title = {{Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014. Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties: Counties in Maine by uninsured rate, ages 18 to 64 (US model-based estimate), 2014
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-2014-csv.zip
L2  - https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/uninsured-rate-ages-18-64/maine-counties?period=2014.
N1  - Publisher attribution: U.S. Census Bureau. Small Area Health Insurance Estimates (SAHIE): percent uninsured, ages 18 to 64, all races, both sexes, all income levels, states and counties. https://www2.census.gov/programs-surveys/sahie/datasets/time-series/estimates-acs/sahie-2014-csv.zip. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest uninsured rate, ages 18 to 64 (US model-based estimate)?

Washington County, with 20.6% in 2014, according to the U.S. Census Bureau.

Which county has the lowest uninsured rate, ages 18 to 64 (US model-based estimate)?

Cumberland County, with 11.9% in 2014.

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, ages 18 to 64, all races, both sexes, all income levels, states and counties. Retrieved 2026-10-12.

Uninsured rate, ages 18 to 64 (US model-based estimate): other rankings

Counties in Maine: more rankings