RANKING · 2020 CENSUS · 14 SHOWN OF 14

Fastest shrinking, Massachusetts counties · 2020

Massachusetts counties with the steepest population decline from the 2010 census to 2020. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Berkshire County, MAMA128,224-1.7%+1.5 pts

02Franklin County, MAMA70,698-0.5%−2.5 pts

03Hampden County, MAMA464,338+0.5%+0.5 pts

04Hampshire County, MAMA164,065+2.7%−1.2 pts

05Bristol County, MAMA593,640+5.6%+0.0 pts

06Barnstable County, MAMA233,539+6.1%−13.0 pts

07Plymouth County, MAMA546,829+7.3%−1.4 pts

08Worcester County, MAMA888,502+8.0%+2.1 pts

09Norfolk County, MAMA739,749+8.2%+2.7 pts

10Middlesex County, MAMA1,669,979+8.6%+3.8 pts

11Essex County, MAMA826,653+9.0%+1.0 pts

12Suffolk County, MAMA791,891+10.5%+6.6 pts

13Dukes County, MAMA21,219+24.6%−4.2 pts

14Nantucket County, MAMA14,758+40.1%−18.2 pts

SHOWING 1–14 OF 14

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS