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. The median across all 14 is 41.2.

Flip the list · Youngest by median age, US counties →

MassachusettsAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

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%

06▲3Nantucket County, MAMA14,75842.4+16%

07Essex County, MAMA826,65341.2+10%

08▼2Bristol County, MAMA593,64040.9+11%

09▼1Norfolk County, MAMA739,74940.9+7%

10▲1Worcester County, MAMA888,50240.2+11%

11▼1Hampden 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

Download CSV (full list, 14 rows)

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