RANKING · 2024 ACS · 14 SHOWN OF 14

Oldest by median age, Massachusetts counties

Massachusetts counties ranked by median age of residents (2024 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Barnstable County, MAMA233,53955.4+24%

02Dukes County, MAMA21,21950.7+25%

03Berkshire County, MAMA128,22447.3+17%

04Franklin County, MAMA70,69847.2+19%

05Plymouth County, MAMA546,82943.0+17%

06Nantucket County, MAMA14,75842.4+16%

07Essex County, MAMA826,65341.2+10%

08Bristol County, MAMA593,64040.9+11%

09Norfolk County, MAMA739,74940.9+7%

10Worcester County, MAMA888,50240.2+11%

11Hampden County, MAMA464,33840.0+10%

12Middlesex County, MAMA1,669,97938.9+7%

13Hampshire County, MAMA164,06537.4+9%

14Suffolk County, MAMA791,89133.9+7%

SHOWING 1–14 OF 14

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES