RANKING · 2020 CENSUS · 16 SHOWN OF 16

Least educated, Maine counties · 2020

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

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS 2000

01Somerset County, MEME51,62017.9%+52%

02Piscataquis County, MEME17,40918.7%+40%

03Aroostook County, MEME66,60919.8%+35%

04Oxford County, MEME60,34620.6%+31%

05Androscoggin County, MEME116,48722.7%+58%

06Washington County, MEME31,33423.8%+63%

07Franklin County, MEME30,82426.3%+26%

08Penobscot County, MEME157,96728.6%+41%

09Kennebec County, MEME129,06729.3%+42%

10Waldo County, MEME40,69331.6%+41%

11York County, MEME222,43432.2%+41%

12Knox County, MEME41,11734.2%+30%

13Hancock County, MEME57,17135.2%+30%

14Lincoln County, MEME36,59536.1%+36%

15Sagadahoc County, MEME37,97937.4%+50%

16Cumberland County, MEME317,22248.1%+40%

SHOWING 1–16 OF 16

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