RANKING · 2000 CENSUS · 14 SHOWN OF 14

Youngest by median age, Massachusetts counties · 2000

Massachusetts counties with the youngest median age (2000 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 1990

01Suffolk County, MAMA791,89131.7+3%

02Hampshire County, MAMA164,06534.4+13%

03Worcester County, MAMA888,50236.3+10%

04Hampden County, MAMA464,33836.4+9%

05Middlesex County, MAMA1,669,97936.4+8%

06Bristol County, MAMA593,64036.7+9%

07Nantucket County, MAMA14,75836.7−1%

08Plymouth County, MAMA546,82936.8+11%

09Essex County, MAMA826,65337.5+9%

10Norfolk County, MAMA739,74938.1+8%

11Franklin County, MAMA70,69839.5+13%

12Berkshire County, MAMA128,22440.5+13%

13Dukes County, MAMA21,21940.7+7%

14Barnstable County, MAMA233,53944.6+13%

SHOWING 1–14 OF 14

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