RANKING · 2010 CENSUS · 21 SHOWN OF 21

Largest households, New Jersey counties · 2010

New Jersey counties ranked by average household size (2023 ACS). This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

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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 2000

01Passaic County, NJNJ531,6243.00–

02Cumberland County, NJNJ157,1482.84–

03Union County, NJNJ601,8632.84–

04Middlesex County, NJNJ883,3352.78–

05Somerset County, NJNJ356,4862.76–

06Essex County, NJNJ896,3792.74–

07Gloucester County, NJNJ312,6382.73–

08Mercer County, NJNJ399,2892.70–

09Morris County, NJNJ524,2512.69–

10Monmouth County, NJNJ651,0352.67–

11Sussex County, NJNJ148,0632.66–

12Bergen County, NJNJ977,0262.65–

13Camden County, NJNJ535,7992.65–

14Burlington County, NJNJ481,4392.63–

15Hunterdon County, NJNJ131,7812.61–

16Hudson County, NJNJ735,0332.59–

17Salem County, NJNJ66,2802.58–

18Warren County, NJNJ112,9532.57–

19Atlantic County, NJNJ278,6572.55–

20Ocean County, NJNJ673,7462.53–

21Cape May County, NJNJ93,3902.10–

SHOWING 1–21 OF 21

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