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 (2023 ACS). This list covers the 34 cities in Maine that qualify, ranked against each other statewide.

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MaineAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Lewiston, MEME38,86649+536%

02Portland, MEME69,91145+158%

03Westbrook, MEME21,56538+513%

04South Portland, MEME27,00734+321%

05Auburn, MEME25,44131+547%

06Kittery, MEME5,11030+114%

07Old Orchard Beach, MEME9,24428+463%

08Orono, MEME11,15128+121%

09Oak Hill, MEME5,63128–

10Brunswick, MEME17,65227+169%

11Bangor, MEME32,51826+232%

12Old, MEME7,58926+243%

13Biddeford, MEME22,39925+333%

14Saco, MEME21,15924+578%

15Waterville, MEME17,57923+225%

16Augusta, MEME19,15523+247%

17Gorham, MEME7,59322+268%

18Presque Isle, MEME8,69421+364%

19Belfast, MEME6,98819+513%

20North Windham, MEME5,41719+566%

21Ellsworth, MEME8,86218+485%

22Yarmouth, MEME6,28918+478%

23Sanford, MEME22,66317+89%

24Rockland, MEME7,14217+402%

25Bath, MEME8,83517+83%

26Brewer, MEME9,63617+337%

27Houlton, MEME5,08215+322%

28Topsham, MEME7,27113+13%

29Skowhegan, MEME6,66213+262%

30Gardiner, MEME6,20613+227%

31Winslow, MEME5,87313+303%

32Caribou, MEME7,32111+173%

33Kennebunk, MEME6,22111+359%

34Hampden, MEME5,16110+178%

SHOWING 1–34 OF 34

Download CSV (full list, 34 rows)How this score is calculated

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