RANKING · 2010 CENSUS · 14 SHOWN OF 14

Youngest by median age, Massachusetts counties · 2010

Massachusetts counties with the youngest median age (2023 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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

MassachusettsAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Suffolk County, MAMA791,89131.5−1%

02Hampshire County, MAMA164,06536.6+6%

03Middlesex County, MAMA1,669,97938.5+6%

04Hampden County, MAMA464,33838.6+6%

05Worcester County, MAMA888,50239.2+8%

06Nantucket County, MAMA14,75839.4+7%

07Bristol County, MAMA593,64039.8+8%

08Essex County, MAMA826,65340.4+8%

09Norfolk County, MAMA739,74940.7+7%

10Plymouth County, MAMA546,82941.1+12%

11Franklin County, MAMA70,69844.2+12%

12Berkshire County, MAMA128,22444.7+10%

13Dukes County, MAMA21,21945.3+11%

14Barnstable County, MAMA233,53949.9+12%

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES