RANKING · 2020 CENSUS · 16 SHOWN OF 16

Most graduate degrees, Maine counties · 2020

Maine counties ranked by the 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

01Cumberland County, MEME317,22219.0%+52%

02Sagadahoc County, MEME37,97915.6%+82%

03Lincoln County, MEME36,59515.5%+59%

04Hancock County, MEME57,17113.9%+38%

05Knox County, MEME41,11712.5%+36%

06Kennebec County, MEME129,06711.6%+53%

07York County, MEME222,43411.3%+55%

08Waldo County, MEME40,69311.2%+42%

09Penobscot County, MEME157,96710.9%+47%

10Franklin County, MEME30,82410.1%+54%

11Washington County, MEME31,3348.9%+75%

12Androscoggin County, MEME116,4877.5%+66%

13Oxford County, MEME60,3466.7%+28%

14Aroostook County, MEME66,6096.1%+58%

15Piscataquis County, MEME17,4095.4%+38%

16Somerset County, MEME51,6204.5%+31%

SHOWING 1–16 OF 16

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