RANKING · 2020 CENSUS · 14 SHOWN OF 14

Largest senior population, Massachusetts counties · 2020

Massachusetts counties home to the most residents aged 65 and over as of 2020. Ranked by number of people, not the senior share. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Middlesex County, MAMA1,669,979263,097+40%

02Essex County, MAMA826,653147,215+47%

03Worcester County, MAMA888,502141,568+45%

04Norfolk County, MAMA739,749128,151+37%

05Bristol County, MAMA593,640103,285+37%

06Plymouth County, MAMA546,829102,858+84%

07Suffolk County, MAMA791,891100,732+32%

08Hampden County, MAMA464,33884,555+28%

09Barnstable County, MAMA233,53973,753+44%

10Berkshire County, MAMA128,22431,492+30%

11Hampshire County, MAMA164,06530,667+67%

12Franklin County, MAMA70,69816,587+63%

13Dukes County, MAMA21,2195,561+158%

14Nantucket County, MAMA14,7582,267+127%

SHOWING 1–14 OF 14

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