RANKING · 2010 CENSUS · 21 SHOWN OF 21

Oldest housing stock, New Jersey counties · 2010

New Jersey counties ranked by oldest median year of construction (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

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 2000

01Hudson County, NJNJ735,0331951–

02Essex County, NJNJ896,3791954–

03Passaic County, NJNJ531,6241954–

04Union County, NJNJ601,8631955–

05Bergen County, NJNJ977,0261957–

06Salem County, NJNJ66,2801962–

07Camden County, NJNJ535,7991963–

08Mercer County, NJNJ399,2891963–

09Cumberland County, NJNJ157,1481964–

10Warren County, NJNJ112,9531967–

11Middlesex County, NJNJ883,3351968–

12Morris County, NJNJ524,2511968–

13Monmouth County, NJNJ651,0351970–

14Sussex County, NJNJ148,0631971–

15Atlantic County, NJNJ278,6571973–

16Cape May County, NJNJ93,3901973–

17Burlington County, NJNJ481,4391974–

18Gloucester County, NJNJ312,6381975–

19Hunterdon County, NJNJ131,7811976–

20Ocean County, NJNJ673,7461977–

21Somerset County, NJNJ356,4861978–

SHOWING 1–21 OF 21

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