RANKING · 2024 ACS · 34 SHOWN OF 34

Most population lost, Maine cities

Maine cities that lost the most residents from the 2020 census to 2024, by raw count of people rather than percentage. This list covers the 34 cities in Maine that qualify, ranked against each other statewide. The median across all 34 is +258. Biggest climber in the top 100 since 2020: Biddeford, ME, up 24 places to #3.

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MaineAll statesPop > 5KAll rankings

SAME RANKING BYCounties States Metros

YEAR2000 2010 2020 2024

RANKPLACESTATEPOPPOPULATION CHANGEVS 2000

01Oak Hill, MEME5,631-215–

02▲1Presque Isle, MEME8,694-61−94%

03▲24Biddeford, MEME22,399-54−123%

04▲9Brewer, MEME9,636-20−41%

05▼1Caribou, MEME7,321-14−99%

06▼1Old, MEME7,589+39−132%

07▲9Belfast, MEME6,988+48+85%

08▲6Bath, MEME8,835+49−109%

09▼3Rockland, MEME7,142+99−127%

10▲12Gorham, MEME7,593+124−77%

11Gardiner, MEME6,206+127−123%

12▲7Kittery, MEME5,110+137−141%

13▲5North Windham, MEME5,417+143−71%

14▲1Yarmouth, MEME6,289+164−26%

15▼8Augusta, MEME19,155+178−106%

16▼14Bangor, MEME32,518+185−111%

17▼7Skowhegan, MEME6,662+258−188%

18▲5Ellsworth, MEME8,862+258−46%

19▲14Sanford, MEME22,663+265−263%

20▼3Old Orchard Beach, MEME9,244+284−73%

21▼13Houlton, MEME5,082+339−195%

22▲10Westbrook, MEME21,565+375+1686%

23▲5South Portland, MEME27,007+432+168%

24▲6Saco, MEME21,159+438−73%

25▼4Kennebunk, MEME6,221+445−18%

26▲5Portland, MEME69,911+446−509%

27▼1Auburn, MEME25,441+541−149%

28▼27Winslow, MEME5,873+555−76%

29Brunswick, MEME17,652+619+365%

30▼18Hampden, MEME5,161+645+179%

31▼7Topsham, MEME7,271+648+423%

32▼7Orono, MEME11,151+966−163%

33▼13Lewiston, MEME38,866+1,203−130%

34▼25Waterville, MEME17,579+1,249−184%

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES