RANKING · 2024 ACS · 16 SHOWN OF 16

Most uninsured people, Maine counties

Maine counties with the most residents lacking health insurance, as of the 2024 American Community Survey. Ranked by number of people, not the uninsured rate. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Largest senior population Most unmarried people Most unmarried men

RANKPLACESTATEPOPUNINSURED RESIDENTSVS 2020

01Cumberland County, MEME317,22214,192−15%

02York County, MEME222,43410,376−12%

03Penobscot County, MEME157,9679,658−23%

04Kennebec County, MEME129,0677,229−20%

05Androscoggin County, MEME116,4876,596−21%

06Hancock County, MEME57,1715,345−3%

07Aroostook County, MEME66,6095,269−5%

08Oxford County, MEME60,3465,040+5%

09Somerset County, MEME51,6203,783−18%

10Waldo County, MEME40,6933,663−20%

11Washington County, MEME31,3342,811−21%

12Franklin County, MEME30,8242,382−23%

13Lincoln County, MEME36,5952,350−30%

14Knox County, MEME41,1172,183−26%

15Sagadahoc County, MEME37,9791,966−24%

16Piscataquis County, MEME17,4091,713−13%

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES