RANKING · 2020 CENSUS · 14 SHOWN OF 14

Youngest by median age, Massachusetts counties · 2020

Massachusetts counties with the youngest median age (2020 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide. The median across all 14 is 41.4.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Suffolk County, MAMA791,89132.3+2%

02Hampshire County, MAMA164,06538.3+11%

03Middlesex County, MAMA1,669,97938.6+6%

04Hampden County, MAMA464,33840.2+10%

05Worcester County, MAMA888,50240.2+11%

06Nantucket County, MAMA14,75840.7+11%

07Norfolk County, MAMA739,74941.2+8%

08Essex County, MAMA826,65341.4+10%

09Bristol County, MAMA593,64041.5+13%

10Plymouth County, MAMA546,82943.5+18%

11Franklin County, MAMA70,69847.0+19%

12Berkshire County, MAMA128,22447.8+18%

13Dukes County, MAMA21,21949.3+21%

14Barnstable County, MAMA233,53955.0+23%

SHOWING 1–14 OF 14

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS