RANKING · 2010 CENSUS · 16 SHOWN OF 16

Least racially diverse, Maine counties · 2010

Maine counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (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

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Lincoln County, MEME36,5957+188%

02Waldo County, MEME40,6938+213%

03Franklin County, MEME30,8248+154%

04Somerset County, MEME51,6208+215%

05Knox County, MEME41,1178+188%

06Oxford County, MEME60,3469+226%

07Hancock County, MEME57,1719+198%

08Kennebec County, MEME129,06710+144%

09York County, MEME222,43410+125%

10Piscataquis County, MEME17,40911+332%

11Sagadahoc County, MEME37,97911+69%

12Aroostook County, MEME66,60911+214%

13Penobscot County, MEME157,96712+175%

14Cumberland County, MEME317,22218+122%

15Washington County, MEME31,33419+455%

16Androscoggin County, MEME116,48721+299%

SHOWING 1–16 OF 16

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