RANKING · 2020 CENSUS · 16 SHOWN OF 16

Highest Scotch-Irish population share, Maine counties · 2020

Maine counties ranked by the share of all residents who are Scotch-Irish ancestry (2020 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 16 counties in Maine that qualify, ranked against each other statewide.

Scotch-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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2010

01Knox County, MEME41,1172.7%−0.7 pts

02Waldo County, MEME40,6931.8%−3.4 pts

03Cumberland County, MEME317,2221.8%−2.0 pts

04Somerset County, MEME51,6201.7%−1.7 pts

05Hancock County, MEME57,1711.7%−2.3 pts

06Sagadahoc County, MEME37,9791.6%−2.2 pts

07Androscoggin County, MEME116,4871.6%−1.4 pts

08Washington County, MEME31,3341.6%−3.1 pts

09Aroostook County, MEME66,6091.5%−1.7 pts

10Oxford County, MEME60,3461.4%−2.2 pts

11Lincoln County, MEME36,5951.4%−1.8 pts

12Kennebec County, MEME129,0671.4%−2.4 pts

13Franklin County, MEME30,8241.3%−1.2 pts

14Penobscot County, MEME157,9671.3%−3.2 pts

15Piscataquis County, MEME17,4091.2%−1.8 pts

16York County, MEME222,4341.0%−2.5 pts

SHOWING 1–16 OF 16

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS