RANKING · 2020 CENSUS · 14 SHOWN OF 14

Highest Scotch-Irish population share, Massachusetts counties · 2020

Massachusetts counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 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.

MassachusettsAll 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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2000

01Franklin County, MAMA70,6981.2%–

02Barnstable County, MAMA233,5391.1%–

03Nantucket County, MAMA14,7581.0%–

04Plymouth County, MAMA546,8290.9%–

05Hampshire County, MAMA164,0650.8%–

06Dukes County, MAMA21,2190.8%–

07Middlesex County, MAMA1,669,9790.7%–

08Essex County, MAMA826,6530.7%–

09Berkshire County, MAMA128,2240.6%–

10Norfolk County, MAMA739,7490.6%–

11Worcester County, MAMA888,5020.6%–

12Hampden County, MAMA464,3380.4%–

13Bristol County, MAMA593,6400.4%–

14Suffolk County, MAMA791,8910.3%–

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES