RANKING · 2024 ACS · 14 SHOWN OF 14

Largest households, Massachusetts counties

Massachusetts counties ranked by average household size (2024 ACS). This list covers the 14 counties in Massachusetts that qualify, ranked against each other statewide.

MassachusettsAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDMost expensive homes Cheapest homes Highest median rent Lowest median rent Highest homeownership rate Highest renter share

YEAR2010 2020 2024

RANKPLACESTATEPOPAVERAGE HOUSEHOLD SIZEVS 2010

01Dukes County, MAMA21,2192.73−7%

02Nantucket County, MAMA14,7582.71+5%

03Plymouth County, MAMA546,8292.58−3%

04Essex County, MAMA826,6532.54−0%

05Norfolk County, MAMA739,7492.51−0%

06Worcester County, MAMA888,5022.50−2%

07Middlesex County, MAMA1,669,9792.49+0%

08Hampden County, MAMA464,3382.44−3%

09Bristol County, MAMA593,6402.43−4%

10Suffolk County, MAMA791,8912.25−3%

11Hampshire County, MAMA164,0652.24−3%

12Franklin County, MAMA70,6982.20−5%

13Barnstable County, MAMA233,5392.16−0%

14Berkshire County, MAMA128,2242.14−5%

SHOWING 1–14 OF 14

Download CSV (full list, 14 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES