RANKING · 2020 CENSUS · 34 SHOWN OF 34

Most racially diverse, Maine cities · 2020

Maine cities ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2020 ACS). This list covers the 34 cities in Maine that qualify, ranked against each other statewide. The median across all 34 is 22.

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MaineAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 1990

01Lewiston, MEME38,86649+1089%

02Portland, MEME69,91145+368%

03Westbrook, MEME21,56538+488%

04South Portland, MEME27,00734+521%

05Auburn, MEME25,44131+481%

06Kittery, MEME5,11030+84%

07Old Orchard Beach, MEME9,24428+317%

08Orono, MEME11,15128+144%

09Oak Hill, MEME5,63128–

10Brunswick, MEME17,65227+147%

11Bangor, MEME32,51826+203%

12Old, MEME7,58926+130%

13Biddeford, MEME22,39925+734%

14Saco, MEME21,15924+775%

15Waterville, MEME17,57923+382%

16Augusta, MEME19,15523+274%

17Gorham, MEME7,59322+239%

18Presque Isle, MEME8,69421+224%

19Belfast, MEME6,98819+497%

20North Windham, MEME5,41719+888%

21Ellsworth, MEME8,86218+355%

22Yarmouth, MEME6,28918+175%

23Sanford, MEME22,66317+197%

24Rockland, MEME7,14217+2489%

25Bath, MEME8,83517+97%

26Brewer, MEME9,63617+424%

27Houlton, MEME5,08215+57%

28Topsham, MEME7,27113+24%

29Skowhegan, MEME6,66213+377%

30Gardiner, MEME6,20613+287%

31Winslow, MEME5,87313+154%

32Caribou, MEME7,32111+54%

33Kennebunk, MEME6,22111+101%

34Hampden, MEME5,16110–

SHOWING 1–34 OF 34

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