RANKING · 1990 CENSUS · 14 SHOWN OF 14

Youngest by median age, Massachusetts counties · 1990

Massachusetts counties with the youngest median age (2023 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

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

01Hampshire County, MAMA164,06530.5−11%

02Suffolk County, MAMA791,89130.9−3%

03Worcester County, MAMA888,50233.1−9%

04Plymouth County, MAMA546,82933.2−10%

05Hampden County, MAMA464,33833.5−8%

06Middlesex County, MAMA1,669,97933.7−7%

07Bristol County, MAMA593,64033.8−8%

08Essex County, MAMA826,65334.5−8%

09Franklin County, MAMA70,69834.9−12%

10Norfolk County, MAMA739,74935.1−8%

11Berkshire County, MAMA128,22435.9−11%

12Nantucket County, MAMA14,75837.0+1%

13Dukes County, MAMA21,21938.0−7%

14Barnstable County, MAMA233,53939.5−11%

SHOWING 1–14 OF 14

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