RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest senior population, New Jersey counties · 2020

New Jersey counties home to the most residents aged 65 and over as of 2020. 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.

New JerseyAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS 2000

01Bergen County, NJNJ977,026169,278+26%

02Ocean County, NJNJ673,746144,339+27%

03Middlesex County, NJNJ883,335131,558+42%

04Monmouth County, NJNJ651,035118,832+54%

05Essex County, NJNJ896,379114,542+21%

06Morris County, NJNJ524,25189,871+65%

07Camden County, NJNJ535,79985,641+34%

08Hudson County, NJNJ735,03382,290+19%

09Union County, NJNJ601,86382,145+14%

10Burlington County, NJNJ481,43981,601+53%

11Passaic County, NJNJ531,62478,043+32%

12Mercer County, NJNJ399,28959,529+35%

13Somerset County, NJNJ356,48656,030+68%

14Atlantic County, NJNJ278,65751,975+51%

15Gloucester County, NJNJ312,63849,800+68%

16Sussex County, NJNJ148,06326,802+104%

17Cape May County, NJNJ93,39026,622+29%

18Hunterdon County, NJNJ131,78124,839+103%

19Cumberland County, NJNJ157,14824,435+28%

20Warren County, NJNJ112,95320,655+56%

21Salem County, NJNJ66,28012,472+34%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS