RANKING · 2024 ACS · 16 SHOWN OF 16

Highest uninsured rate, Maine counties

Maine counties ranked by the share of residents without health insurance (2024 ACS). This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

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

YEAR2020 2024

RANKPLACESTATEPOPUNINSUREDVS 2020

01Piscataquis County, MEME17,40910.1%−1.7 pts

02Hancock County, MEME57,1719.6%−0.6 pts

03Waldo County, MEME40,6939.2%−2.4 pts

04Washington County, MEME31,3349.1%−2.5 pts

05Oxford County, MEME60,3468.6%+0.3 pts

06Aroostook County, MEME66,6098.0%−0.4 pts

07Franklin County, MEME30,8247.9%−2.4 pts

08Somerset County, MEME51,6207.5%−1.8 pts

09Lincoln County, MEME36,5956.6%−3.3 pts

10Penobscot County, MEME157,9676.3%−2.0 pts

11Androscoggin County, MEME116,4875.9%−2.0 pts

12Kennebec County, MEME129,0675.8%−1.7 pts

13Knox County, MEME41,1175.5%−2.2 pts

14Sagadahoc County, MEME37,9795.3%−2.0 pts

15York County, MEME222,4344.8%−1.0 pts

16Cumberland County, MEME317,2224.7%−1.0 pts

SHOWING 1–16 OF 16

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES