RANKING · 2020 CENSUS · 34 SHOWN OF 34

Most densely populated, Maine cities · 2020

Maine cities ranked by residents per square mile (2023). 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

RELATEDLargest by population Fastest growing Fastest shrinking Most sparsely populated Best broadband access Worst broadband access

YEAR1990 2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION DENSITYVS 2000

01Portland, MEME69,9113,176+6%

02South Portland, MEME27,0072,200+14%

03Kittery, MEME5,1101,777+2%

04Orono, MEME11,1511,444+23%

05Old Orchard Beach, MEME9,2441,205+1%

06Westbrook, MEME21,5651,187+26%

07Waterville, MEME17,5791,170+1%

08Yarmouth, MEME6,2891,168+72%

09Lewiston, MEME38,8661,087+4%

10Oak Hill, MEME5,6311,042–

11Gorham, MEME7,593975+79%

12Bath, MEME8,835961−5%

13Bangor, MEME32,518927+1%

14Houlton, MEME5,082902−10%

15Winslow, MEME5,873887−31%

16Brunswick, MEME17,652876+15%

17Kennebunk, MEME6,221856+20%

18North Windham, MEME5,417784+15%

19Biddeford, MEME22,399750+8%

20Brewer, MEME9,636635+8%

21Topsham, MEME7,271601+6%

22Rockland, MEME7,142540−9%

23Saco, MEME21,159528+21%

24Skowhegan, MEME6,662479−4%

25Sanford, MEME22,663460+117%

26Hampden, MEME5,161412+9%

27Auburn, MEME25,441405+4%

28Gardiner, MEME6,206380−4%

29Augusta, MEME19,155343+2%

30Belfast, MEME6,988204+9%

31Old, MEME7,589191−9%

32Presque Isle, MEME8,694116−8%

33Ellsworth, MEME8,862106+30%

34Caribou, MEME7,32193−11%

SHOWING 1–34 OF 34

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES