RANKING · 2024 ACS · 16 SHOWN OF 16

Least educated, Maine counties

Maine counties with the smallest share of adults 25+ holding a bachelor's degree or higher (2023 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

RELATEDMost educated Most graduate degrees Fewest graduate degrees

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Somerset County, MEME51,62021.1%+79%

02Piscataquis County, MEME17,40921.6%+62%

03Androscoggin County, MEME116,48723.4%+63%

04Aroostook County, MEME66,60923.4%+60%

05Oxford County, MEME60,34624.0%+53%

06Washington County, MEME31,33424.7%+69%

07Penobscot County, MEME157,96730.1%+48%

08Kennebec County, MEME129,06731.9%+54%

09Franklin County, MEME30,82432.0%+53%

10Waldo County, MEME40,69334.4%+54%

11York County, MEME222,43436.2%+58%

12Knox County, MEME41,11739.7%+51%

13Hancock County, MEME57,17140.1%+48%

14Lincoln County, MEME36,59540.2%+51%

15Sagadahoc County, MEME37,97944.2%+77%

16Cumberland County, MEME317,22253.0%+55%

SHOWING 1–16 OF 16

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES