RANKING · 2024 ACS · 34 SHOWN OF 34

Least racially diverse, Maine cities

Maine cities with the lowest CensusEasy Diversity Score, where most residents share the same 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

01Skowhegan, MEME6,6629+150%

02Topsham, MEME7,27112+6%

03Oak Hill, MEME5,63113–

04Houlton, MEME5,08214+297%

05Rockland, MEME7,14215+344%

06Yarmouth, MEME6,28915+383%

07Bath, MEME8,83518+88%

08Winslow, MEME5,87319+497%

09Caribou, MEME7,32120+375%

10Biddeford, MEME22,39920+255%

11Brewer, MEME9,63621+448%

12Ellsworth, MEME8,86221+575%

13Kennebunk, MEME6,22121+805%

14Presque Isle, MEME8,69423+402%

15Belfast, MEME6,98823+662%

16Old, MEME7,58925+229%

17Auburn, MEME25,44125+438%

18Brunswick, MEME17,65226+160%

19Sanford, MEME22,66327+189%

20Gardiner, MEME6,20628+607%

21Old Orchard Beach, MEME9,24428+449%

22Augusta, MEME19,15528+326%

23Bangor, MEME32,51828+260%

24Waterville, MEME17,57929+306%

25North Windham, MEME5,41730+973%

26Orono, MEME11,15131+142%

27Gorham, MEME7,59331+422%

28Kittery, MEME5,11033+138%

29Hampden, MEME5,16133+787%

30Saco, MEME21,15936+946%

31Westbrook, MEME21,56542+580%

32South Portland, MEME27,00746+461%

33Lewiston, MEME38,86648+515%

34Portland, MEME69,91148+179%

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