RANKING · 2024 ACS · 14 SHOWN OF 14

Highest Scotch-Irish population share, Massachusetts counties

Massachusetts counties ranked by the share of all residents who are Scotch-Irish ancestry (2024 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 14 counties in Massachusetts 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

01Nantucket County, MAMA14,7581.0%−1.9 pts

02Franklin County, MAMA70,6981.0%−1.0 pts

03Dukes County, MAMA21,2190.9%−1.5 pts

04Plymouth County, MAMA546,8290.8%−2.3 pts

05Hampshire County, MAMA164,0650.7%−1.6 pts

06Berkshire County, MAMA128,2240.7%−1.3 pts

07Barnstable County, MAMA233,5390.7%−1.5 pts

08Middlesex County, MAMA1,669,9790.6%−1.4 pts

09Norfolk County, MAMA739,7490.5%−1.8 pts

10Essex County, MAMA826,6530.5%−1.5 pts

11Worcester County, MAMA888,5020.5%−1.3 pts

12Hampden County, MAMA464,3380.4%−0.9 pts

13Suffolk County, MAMA791,8910.4%−0.7 pts

14Bristol County, MAMA593,6400.3%−1.0 pts

SHOWING 1–14 OF 14

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