RANKING · 2020 CENSUS · 14 SHOWN OF 14

Oldest by median age, Massachusetts counties · 2020

Massachusetts counties ranked by median age of residents (2020 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, MAMA233,53955.0+23%

02Dukes County, MAMA21,21949.3+21%

03Berkshire County, MAMA128,22447.8+18%

04Franklin County, MAMA70,69847.0+19%

05Plymouth County, MAMA546,82943.5+18%

06Bristol County, MAMA593,64041.5+13%

07Essex County, MAMA826,65341.4+10%

08Norfolk County, MAMA739,74941.2+8%

09Nantucket County, MAMA14,75840.7+11%

10Hampden County, MAMA464,33840.2+10%

11Worcester County, MAMA888,50240.2+11%

12Middlesex County, MAMA1,669,97938.6+6%

13Hampshire County, MAMA164,06538.3+11%

14Suffolk County, MAMA791,89132.3+2%

SHOWING 1–14 OF 14

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS