RANKING · 2024 ACS · 21 SHOWN OF 21

Oldest housing stock, New Jersey counties

New Jersey counties ranked by oldest median year of construction (2024 ACS). This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 1972.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2010 2020 2024

RANKPLACESTATEPOPMEDIAN YEAR BUILTVS 1990

01▲2Passaic County, NJNJ531,62419560%

02▼1Union County, NJNJ601,86319560%

03▼1Essex County, NJNJ896,37919580%

04Bergen County, NJNJ977,02619600%

05▲2Salem County, NJNJ66,28019620%

06▼1Hudson County, NJNJ735,0331966+1%

07▲1Camden County, NJNJ535,79919670%

08▲1Cumberland County, NJNJ157,1481969+1%

09▼3Mercer County, NJNJ399,2891969+1%

10Morris County, NJNJ524,25119710%

11Warren County, NJNJ112,9531972+1%

12Sussex County, NJNJ148,06319730%

13Middlesex County, NJNJ883,3351974+1%

14Monmouth County, NJNJ651,0351975+1%

15▲1Burlington County, NJNJ481,4391977+1%

16▼1Atlantic County, NJNJ278,6571978+1%

17▲1Hunterdon County, NJNJ131,7811979+1%

18▼1Gloucester County, NJNJ312,6381980+1%

19Cape May County, NJNJ93,3901981+1%

20▲1Ocean County, NJNJ673,74619810%

21▼1Somerset County, NJNJ356,4861982+1%

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES