RANKING · 2000 CENSUS · 14 SHOWN OF 14

Fastest growing, Massachusetts counties · 2000

Massachusetts counties ranked by population growth since the prior decennial census. This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most densely populated Most sparsely populated Best broadband access Worst broadband access

YEAR2000 2010 2020

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Nantucket County, MAMA14,758+58.3%+0%

02Dukes County, MAMA21,219+28.8%+0%

03Barnstable County, MAMA233,539+19.1%+0%

04Plymouth County, MAMA546,829+8.6%+0%

05Essex County, MAMA826,653+8.0%+0%

06Worcester County, MAMA888,502+5.8%+0%

07Bristol County, MAMA593,640+5.6%+0%

08Norfolk County, MAMA739,749+5.6%+0%

09Middlesex County, MAMA1,669,979+4.8%+0%

10Suffolk County, MAMA791,891+3.9%+0%

11Hampshire County, MAMA164,065+3.9%+0%

12Franklin County, MAMA70,698+2.1%+0%

13Hampden County, MAMA464,338-0.0%+0%

14Berkshire County, MAMA128,224-3.2%+0%

SHOWING 1–14 OF 14

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