RANKING · 2020 CENSUS · 34 SHOWN OF 34

Largest Irish population, Maine cities · 2020

Maine cities ranked by the number of residents who are Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. 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 American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Portland, MEME69,91114,044−5%

02Bangor, MEME32,5185,433−15%

03South Portland, MEME27,0074,953−27%

04Lewiston, MEME38,8664,753−17%

05Saco, MEME21,1594,324+30%

06Augusta, MEME19,1553,888−1%

07Biddeford, MEME22,3993,764+26%

08Auburn, MEME25,4413,727+1%

09Westbrook, MEME21,5653,272−8%

10Sanford, MEME22,6633,143+69%

11Brunswick, MEME17,6522,812+12%

12Waterville, MEME17,5792,582+16%

13Yarmouth, MEME6,2892,046+51%

14Orono, MEME11,1511,767+67%

15Gorham, MEME7,5931,725−6%

16Brewer, MEME9,6361,502−32%

17Presque Isle, MEME8,6941,483+10%

18Old Orchard Beach, MEME9,2441,287−38%

19Kennebunk, MEME6,2211,251−8%

20Bath, MEME8,8351,193−27%

21Kittery, MEME5,1101,163+39%

22Topsham, MEME7,2711,111−19%

23Ellsworth, MEME8,8621,104−13%

24Old, MEME7,5891,033−10%

25Skowhegan, MEME6,6621,005−6%

26Oak Hill, MEME5,631987–

27Rockland, MEME7,142981−29%

28Belfast, MEME6,988916+35%

29Caribou, MEME7,321912−47%

30North Windham, MEME5,417840−7%

31Gardiner, MEME6,206816−31%

32Winslow, MEME5,873742−23%

33Hampden, MEME5,161726+5%

34Houlton, MEME5,082647−38%

SHOWING 1–34 OF 34

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS