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 (1990 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 –

01Somerset County, MEME51,6203.2%–

02Piscataquis County, MEME17,4093.5%–

03Aroostook County, MEME66,6093.6%–

04Androscoggin County, MEME116,4873.8%–

05Washington County, MEME31,3344.0%–

06Oxford County, MEME60,3464.2%–

07Waldo County, MEME40,6935.4%–

08Franklin County, MEME30,8245.6%–

09York County, MEME222,4345.7%–

10Knox County, MEME41,1176.0%–

11Sagadahoc County, MEME37,9796.1%–

12Kennebec County, MEME129,0676.2%–

13Penobscot County, MEME157,9676.3%–

14Lincoln County, MEME36,5957.5%–

15Hancock County, MEME57,1717.5%–

16Cumberland County, MEME317,2229.2%–

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS