RANKING · 2024 ACS · 14 SHOWN OF 14

Highest American population share, Massachusetts counties

Massachusetts counties ranked by the share of all residents who are American ancestry (2024 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. The median across all 14 is 3.6%. Biggest climber in the top 100 since 2020: Hampden County, MA, up 6 places to #1.

American ancestry: full group profile →

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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

01▲6Hampden County, MAMA464,3387.2%+4.6 pts

02▲1Hampshire County, MAMA164,0654.8%+2.2 pts

03▲3Berkshire County, MAMA128,2244.2%+1.3 pts

04▼3Worcester County, MAMA888,5024.2%+1.0 pts

05▲4Norfolk County, MAMA739,7493.9%+0.8 pts

06▲2Barnstable County, MAMA233,5393.8%−7.6 pts

07▼3Franklin County, MAMA70,6983.6%−0.3 pts

08▼3Plymouth County, MAMA546,8293.6%−0.2 pts

09▲4Dukes County, MAMA21,2193.2%−6.8 pts

10Middlesex County, MAMA1,669,9793.1%+0.1 pts

11Bristol County, MAMA593,6402.9%+0.5 pts

12Essex County, MAMA826,6532.7%−0.9 pts

13▼11Nantucket County, MAMA14,7582.7%−8.8 pts

14Suffolk County, MAMA791,8912.3%+0.3 pts

SHOWING 1–14 OF 14

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