RANKING · 2020 CENSUS · 34 SHOWN OF 34

Least racially diverse, Maine cities · 2020

Maine cities with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2020 ACS). This list covers the 34 cities in Maine that qualify, ranked against each other statewide.

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SAME RANKING BYCounties States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2010

01Hampden, MEME5,16110–

02Kennebunk, MEME6,22111–

03Caribou, MEME7,32111–

04Winslow, MEME5,87313–

05Gardiner, MEME6,20613–

06Skowhegan, MEME6,66213–

07Topsham, MEME7,27113–

08Houlton, MEME5,08215–

09Brewer, MEME9,63617–

10Bath, MEME8,83517–

11Rockland, MEME7,14217–

12Sanford, MEME22,66317–

13Yarmouth, MEME6,28918–

14Ellsworth, MEME8,86218–

15North Windham, MEME5,41719–

16Belfast, MEME6,98819–

17Presque Isle, MEME8,69421–

18Gorham, MEME7,59322–

19Augusta, MEME19,15523–

20Waterville, MEME17,57923–

21Saco, MEME21,15924–

22Biddeford, MEME22,39925–

23Old, MEME7,58926–

24Bangor, MEME32,51826–

25Brunswick, MEME17,65227–

26Oak Hill, MEME5,63128–

27Orono, MEME11,15128–

28Old Orchard Beach, MEME9,24428–

29Kittery, MEME5,11030–

30Auburn, MEME25,44131–

31South Portland, MEME27,00734–

32Westbrook, MEME21,56538–

33Portland, MEME69,91145–

34Lewiston, MEME38,86649–

SHOWING 1–34 OF 34

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UPDATED 2026-06-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS