RANKING · 1990 CENSUS · 16 SHOWN OF 16

Most educated, Maine counties · 1990

Maine counties ranked by the share of adults 25+ holding a bachelor's degree or higher (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

RELATEDMost college graduates Least educated Most graduate degrees Fewest graduate degrees

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPBACHELOR'S DEGREE OR HIGHERVS –

01Cumberland County, MEME317,22227.6%–

02Lincoln County, MEME36,59522.2%–

03Sagadahoc County, MEME37,97921.6%–

04Hancock County, MEME57,17121.4%–

05Knox County, MEME41,11719.8%–

06York County, MEME222,43419.0%–

07Kennebec County, MEME129,06718.1%–

08Penobscot County, MEME157,96717.7%–

09Franklin County, MEME30,82417.7%–

10Waldo County, MEME40,69316.8%–

11Oxford County, MEME60,34612.7%–

12Washington County, MEME31,33412.7%–

13Androscoggin County, MEME116,48712.6%–

14Aroostook County, MEME66,60912.5%–

15Piscataquis County, MEME17,40912.3%–

16Somerset County, MEME51,62010.5%–

SHOWING 1–16 OF 16

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