RANKING · 2010 CENSUS · 21 SHOWN OF 21

Fastest growing, New Jersey counties · 2010

New Jersey counties ranked by population growth from the 2000 census to 2010. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

Flip the list · Fastest shrinking, US counties →

New JerseyAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest by population Fastest shrinking Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

01Gloucester County, NJNJ312,638+13.2%+2.5 pts

02Ocean County, NJNJ673,746+12.8%−5.1 pts

03Somerset County, NJNJ356,486+8.7%−15.1 pts

04Atlantic County, NJNJ278,657+8.7%−3.9 pts

05Middlesex County, NJNJ883,335+8.0%−3.7 pts

06Cumberland County, NJNJ157,148+7.1%+1.1 pts

07Warren County, NJNJ112,953+6.1%−5.7 pts

08Burlington County, NJNJ481,439+6.0%−1.2 pts

09Hunterdon County, NJNJ131,781+5.2%−8.0 pts

10Morris County, NJNJ524,251+4.7%−6.9 pts

11Mercer County, NJNJ399,289+4.5%−3.2 pts

12Hudson County, NJNJ735,033+4.2%−5.9 pts

13Sussex County, NJNJ148,063+3.5%−6.6 pts

14Salem County, NJNJ66,280+2.8%+4.3 pts

15Union County, NJNJ601,863+2.7%−3.1 pts

16Passaic County, NJNJ531,624+2.5%−5.5 pts

17Monmouth County, NJNJ651,035+2.5%−8.8 pts

18Bergen County, NJNJ977,026+2.4%−4.7 pts

19Camden County, NJNJ535,799+0.9%−0.3 pts

20Essex County, NJNJ896,379-1.2%−3.2 pts

21Cape May County, NJNJ93,390-4.9%−12.6 pts

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS