RANKING · 2020 CENSUS · 14 SHOWN OF 14

Highest Welsh population share, Massachusetts counties · 2020

Massachusetts counties ranked by the share of all residents who are Welsh ancestry (2020 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 0.3%.

Welsh 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

RANKPLACESTATEPOPWELSH SHAREVS 2010

01Nantucket County, MAMA14,7581.2%+0.3 pts

02Hampshire County, MAMA164,0650.8%+0.1 pts

03Franklin County, MAMA70,6980.7%−0.3 pts

04Berkshire County, MAMA128,2240.6%+0.1 pts

05Barnstable County, MAMA233,5390.6%−0.2 pts

06Middlesex County, MAMA1,669,9790.5%0.0 pts

07Plymouth County, MAMA546,8290.3%−0.1 pts

08Worcester County, MAMA888,5020.3%−0.1 pts

09Essex County, MAMA826,6530.3%−0.1 pts

10Norfolk County, MAMA739,7490.3%−0.1 pts

11Suffolk County, MAMA791,8910.3%−0.1 pts

12Dukes County, MAMA21,2190.3%−0.7 pts

13Hampden County, MAMA464,3380.2%−0.1 pts

14Bristol County, MAMA593,6400.2%−0.1 pts

SHOWING 1–14 OF 14

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS