RANKING · 2025 ESTIMATES · 20 SHOWN OF 20

Largest by population, Maine cities

The most populous Maine cities as of the 2025 population estimates. This list covers the 20 cities in Maine that qualify, ranked against each other statewide.

MaineAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros ZIP codes

RELATEDFastest growing Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR1990 2000 2010 2020 2025

RANKPLACESTATETOTAL POPULATIONVS 2000

01Portland, MEME69,911+9%

02Lewiston, MEME38,866+9%

03Bangor, MEME32,518+3%

04South Portland, MEME27,007+16%

05Auburn, MEME25,441+10%

06Sanford, MEME22,663+124%

07Biddeford, MEME22,399+7%

08Westbrook, MEME21,565+34%

09Saco, MEME21,159+26%

10Augusta, MEME19,155+3%

11Waterville, MEME17,579+13%

12Brewer, MEME9,636+7%

13Ellsworth, MEME8,862+37%

14Bath, MEME8,835−5%

15Presque Isle, MEME8,694−9%

16Old, MEME7,589−7%

17Caribou, MEME7,321−12%

18Rockland, MEME7,142−6%

19Belfast, MEME6,988+10%

20Gardiner, MEME6,206+0%

SHOWING 1–20 OF 20

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU POPULATION ESTIMATES