RANKING · 2020 CENSUS · 33 SHOWN OF 33

Fastest growing, Maine cities · 2020

Maine cities ranked by population growth from the 2010 census to 2020. This list covers the 33 cities in Maine that qualify, ranked against each other statewide.

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MaineAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Sanford, MEME22,663+125.2%+126.8 pts

02Westbrook, MEME21,565+16.6%+16.5 pts

03Brunswick, MEME17,652+12.2%+11.3 pts

04Topsham, MEME7,271+11.7%+9.7 pts

05Kennebunk, MEME6,221+10.8%−2.0 pts

06Saco, MEME21,159+10.3%−0.5 pts

07Kittery, MEME5,110+9.0%+15.5 pts

08Gorham, MEME7,593+8.5%−6.6 pts

09Ellsworth, MEME8,862+8.5%+0.4 pts

10North Windham, MEME5,417+7.5%−4.5 pts

11Orono, MEME11,151+7.5%+23.2 pts

12Biddeford, MEME22,399+6.0%+4.9 pts

13South Portland, MEME27,007+6.0%+5.3 pts

14Auburn, MEME25,441+4.4%+8.9 pts

15Yarmouth, MEME6,289+4.4%−2.3 pts

16Belfast, MEME6,988+4.0%+3.6 pts

17Hampden, MEME5,161+4.0%−1.9 pts

18Old Orchard Beach, MEME9,244+3.9%−9.8 pts

19Portland, MEME69,911+3.3%+3.5 pts

20Bath, MEME8,835+3.0%+8.6 pts

21Gardiner, MEME6,206+2.8%+10.9 pts

22Brewer, MEME9,636+2.0%+2.4 pts

23Skowhegan, MEME6,662+1.7%+5.9 pts

24Lewiston, MEME38,866+1.4%+11.7 pts

25Waterville, MEME17,579+0.7%+9.4 pts

26Augusta, MEME19,155-1.2%+11.7 pts

27Houlton, MEME5,082-2.3%+4.0 pts

28Bangor, MEME32,518-3.9%+1.3 pts

29Rockland, MEME7,142-4.9%−0.4 pts

30Old, MEME7,589-5.2%−3.7 pts

31Presque Isle, MEME8,694-9.2%+0.6 pts

32Caribou, MEME7,321-9.7%+2.0 pts

33Winslow, MEME5,873-31.8%−74.2 pts

SHOWING 1–33 OF 33

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