RANKING · 2024 ACS · 16 SHOWN OF 16

Highest Irish population share, Maine counties

Maine counties ranked by the share of all residents who are Irish ancestry (2024 American Community Survey). A concentration measure: Irish residents as a percentage of total population. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

Irish Americans: full group profile →

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SAME RANKING BYCities 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 SHAREVS 2010

01Cumberland County, MEME317,22219.2%−2.0 pts

02York County, MEME222,43418.9%−0.5 pts

03Hancock County, MEME57,17116.9%+1.7 pts

04Waldo County, MEME40,69316.2%−0.9 pts

05Kennebec County, MEME129,06715.5%−1.4 pts

06Penobscot County, MEME157,96715.4%−1.8 pts

07Somerset County, MEME51,62015.4%−0.5 pts

08Oxford County, MEME60,34615.2%+0.4 pts

09Sagadahoc County, MEME37,97914.9%−1.9 pts

10Piscataquis County, MEME17,40914.7%−1.9 pts

11Lincoln County, MEME36,59514.6%−3.1 pts

12Androscoggin County, MEME116,48714.6%−0.9 pts

13Franklin County, MEME30,82414.3%+0.1 pts

14Knox County, MEME41,11713.4%−5.5 pts

15Aroostook County, MEME66,60913.2%−4.2 pts

16Washington County, MEME31,33413.1%−3.8 pts

SHOWING 1–16 OF 16

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES