RANKING · 2024 ACS · 16 SHOWN OF 16

Most graduate degrees, Maine counties

Maine counties ranked by the share of adults 25+ holding a graduate or professional degree (2024 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 Most educated Least educated Fewest graduate degrees

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPGRADUATE DEGREEVS 2000

01Cumberland County, MEME317,22221.4%+71%

02Sagadahoc County, MEME37,97917.9%+109%

03Lincoln County, MEME36,59516.3%+67%

04Knox County, MEME41,11715.3%+67%

05Hancock County, MEME57,17115.2%+51%

06Waldo County, MEME40,69314.4%+84%

07York County, MEME222,43413.0%+78%

08Franklin County, MEME30,82412.3%+88%

09Kennebec County, MEME129,06712.2%+61%

10Penobscot County, MEME157,96711.9%+60%

11Washington County, MEME31,3349.0%+77%

12Oxford County, MEME60,3468.1%+56%

13Aroostook County, MEME66,6097.4%+92%

14Androscoggin County, MEME116,4877.2%+61%

15Piscataquis County, MEME17,4096.2%+59%

16Somerset County, MEME51,6205.8%+69%

SHOWING 1–16 OF 16

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES