RANKING · 2024 ACS · 14 SHOWN OF 14

Largest Scotch-Irish population, Massachusetts counties

Massachusetts counties ranked by the number of residents who are Scotch-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 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 1,989.

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 POPULATIONVS 2010

01Middlesex County, MAMA1,669,97910,375−65%

02▲1Plymouth County, MAMA546,8294,275−72%

03▼1Essex County, MAMA826,6534,253−71%

04Worcester County, MAMA888,5023,993−72%

05Norfolk County, MAMA739,7493,882−75%

06Suffolk County, MAMA791,8912,907−60%

07▲1Bristol County, MAMA593,6401,989−73%

08▲1Hampden County, MAMA464,3381,760−71%

09▼2Barnstable County, MAMA233,5391,543−67%

10Hampshire County, MAMA164,0651,141−68%

11▲1Berkshire County, MAMA128,224908−65%

12▼1Franklin County, MAMA70,698713−51%

13Dukes County, MAMA21,219182−52%

14Nantucket County, MAMA14,758148−49%

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

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