RANKING · 2020 CENSUS · 14 SHOWN OF 14

Highest American population share, Massachusetts counties · 2020

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

American ancestry: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2010

01Worcester County, MAMA888,5026.3%+3.1 pts

02Nantucket County, MAMA14,7585.5%−6.0 pts

03Hampshire County, MAMA164,0654.7%+2.1 pts

04Franklin County, MAMA70,6984.4%+0.4 pts

05Plymouth County, MAMA546,8294.3%+0.6 pts

06Berkshire County, MAMA128,2244.3%+1.3 pts

07Hampden County, MAMA464,3384.3%+1.7 pts

08Barnstable County, MAMA233,5394.2%−7.2 pts

09Norfolk County, MAMA739,7494.2%+1.1 pts

10Middlesex County, MAMA1,669,9793.4%+0.5 pts

11Bristol County, MAMA593,6402.9%+0.5 pts

12Essex County, MAMA826,6532.9%−0.7 pts

13Dukes County, MAMA21,2192.9%−7.1 pts

14Suffolk County, MAMA791,8912.3%+0.4 pts

SHOWING 1–14 OF 14

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS