RANKING · 2010 CENSUS · 33 SHOWN OF 33

Most racially diverse, Maine cities · 2010

Maine cities ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (2010 ACS). This list covers the 33 cities in Maine that qualify, ranked against each other statewide. The median across all 33 is 13.

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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

01Portland, MEME69,91136+274%

02Lewiston, MEME38,86634+723%

03Brunswick, MEME17,65222+103%

04Old, MEME7,58921+86%

05South Portland, MEME27,00721+276%

06Kittery, MEME5,11018+13%

07Auburn, MEME25,44118+237%

08Presque Isle, MEME8,69417+165%

09Sanford, MEME22,66317+197%

10Bangor, MEME32,51817+94%

11Waterville, MEME17,57917+241%

12Orono, MEME11,15116+41%

13Westbrook, MEME21,56516+141%

14Saco, MEME21,15914+414%

15Biddeford, MEME22,39913+358%

16Augusta, MEME19,15513+119%

17Houlton, MEME5,08213+44%

18Topsham, MEME7,27113+23%

19Bath, MEME8,83513+50%

20Hampden, MEME5,16112–

21Old Orchard Beach, MEME9,24412+72%

22Gorham, MEME7,59311+75%

23Brewer, MEME9,63611+257%

24North Windham, MEME5,41711+476%

25Caribou, MEME7,32110+36%

26Yarmouth, MEME6,28910+47%

27Skowhegan, MEME6,6629+237%

28Kennebunk, MEME6,2219+69%

29Ellsworth, MEME8,8629+120%

30Rockland, MEME7,1428+1171%

31Gardiner, MEME6,2068+136%

32Belfast, MEME6,9888+138%

33Winslow, MEME5,8737+40%

SHOWING 1–33 OF 33

Download CSV (full list, 33 rows)How this score is calculated

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