RANKING · 2020 CENSUS · 14 SHOWN OF 14

Largest Scotch-Irish population, Massachusetts counties · 2020

Massachusetts counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 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.

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, MAMA1,669,97911,826−60%

02Essex County, MAMA826,6535,626−61%

03Plymouth County, MAMA546,8294,857−68%

04Worcester County, MAMA888,5024,857−66%

05Norfolk County, MAMA739,7494,170−73%

06Suffolk County, MAMA791,8912,701−63%

07Barnstable County, MAMA233,5392,449−48%

08Bristol County, MAMA593,6402,042−72%

09Hampden County, MAMA464,3381,901−68%

10Hampshire County, MAMA164,0651,260−65%

11Franklin County, MAMA70,698833−43%

12Berkshire County, MAMA128,224755−71%

13Dukes County, MAMA21,219136−64%

14Nantucket County, MAMA14,758107−63%

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS