RANKING · 2024 ACS · 16 SHOWN OF 16

Largest Irish population, Maine counties

Maine counties ranked by the number of residents who are Irish ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 16 counties in Maine that qualify, ranked against each other statewide. The median across all 16 is 8,858.

Irish Americans: full group profile →

MaineAll states All rankings

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 POPULATIONVS 2010

01Cumberland County, MEME317,22259,1600%

02York County, MEME222,43440,875+7%

03Penobscot County, MEME157,96723,848−9%

04Kennebec County, MEME129,06719,717−5%

05Androscoggin County, MEME116,48716,518−1%

06▲2Hancock County, MEME57,1719,543+15%

07Oxford County, MEME60,3468,996+5%

08▼2Aroostook County, MEME66,6098,858−30%

09Somerset County, MEME51,6207,826−5%

10▲2Waldo County, MEME40,6936,511−2%

11▲2Sagadahoc County, MEME37,9795,571−7%

12▼1Knox County, MEME41,1175,499−28%

13▼3Lincoln County, MEME36,5955,277−14%

14▲1Franklin County, MEME30,8244,3460%

15▼1Washington County, MEME31,3344,110−27%

16Piscataquis County, MEME17,4092,531−13%

SHOWING 1–16 OF 16

Download CSV (full list, 16 rows)

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