RANKING · 2024 ACS · 21 SHOWN OF 21

Largest senior population, New Jersey counties

New Jersey counties home to the most residents aged 65 and over as of 2024. Ranked by number of people, not the senior share. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 82,632.

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SAME RANKING BYCities States Metros

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Most unmarried people Most unmarried men

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Bergen County, NJNJ977,026175,043+30%

02Ocean County, NJNJ673,746148,007+31%

03Middlesex County, NJNJ883,335140,558+52%

04Monmouth County, NJNJ651,035123,370+60%

05Essex County, NJNJ896,379122,640+30%

06Morris County, NJNJ524,25193,627+72%

07▲1Hudson County, NJNJ735,03390,793+31%

08▲1Union County, NJNJ601,86387,277+21%

09▼2Camden County, NJNJ535,79987,194+37%

10Burlington County, NJNJ481,43985,705+61%

11Passaic County, NJNJ531,62482,632+40%

12Mercer County, NJNJ399,28961,557+39%

13Somerset County, NJNJ356,48659,537+78%

14Atlantic County, NJNJ278,65754,842+59%

15Gloucester County, NJNJ312,63851,867+75%

16▲1Cape May County, NJNJ93,39028,008+35%

17▼1Sussex County, NJNJ148,06327,656+110%

18Hunterdon County, NJNJ131,78127,098+122%

19Cumberland County, NJNJ157,14824,216+27%

20Warren County, NJNJ112,95321,672+64%

21Salem County, NJNJ66,28012,459+34%

SHOWING 1–21 OF 21

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