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RANKING · 2020 CENSUS · 14 SHOWN OF 14

Youngest by median age, Massachusetts counties · 2020

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
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SAME RANKING BYCitiesStatesMetrosZIP codes
RELATEDOldest by median ageMost foreign-born residentsHighest uninsured rateMost womenMost menHighest disability rate
YEAR19902000201020202024
Youngest by median age by state
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 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES