RANKING · 1990 CENSUS · 16 SHOWN OF 16

Fewest graduate degrees, Maine counties · 1990

Maine counties with the smallest share of adults 25+ holding a graduate or professional degree (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

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Somerset County, MEME51,6203.2%−8%

02Piscataquis County, MEME17,4093.5%−11%

03Aroostook County, MEME66,6093.6%−8%

04Androscoggin County, MEME116,4873.8%−15%

05Washington County, MEME31,3344.0%−21%

06Oxford County, MEME60,3464.2%−20%

07Waldo County, MEME40,6935.4%−31%

08Franklin County, MEME30,8245.6%−15%

09York County, MEME222,4345.7%−22%

10Knox County, MEME41,1176.0%−34%

11Sagadahoc County, MEME37,9796.1%−29%

12Kennebec County, MEME129,0676.2%−18%

13Penobscot County, MEME157,9676.3%−15%

14Lincoln County, MEME36,5957.5%−23%

15Hancock County, MEME57,1717.5%−25%

16Cumberland County, MEME317,2229.2%−26%

SHOWING 1–16 OF 16

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