RANKING · 2000 CENSUS · 21 SHOWN OF 21

Fastest growing, New Jersey counties · 2000

New Jersey counties ranked by population growth from the 1990 census to 2000. 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

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

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Somerset County, NJNJ356,486+23.8%–

02Ocean County, NJNJ673,746+17.9%–

03Hunterdon County, NJNJ131,781+13.2%–

04Atlantic County, NJNJ278,657+12.6%–

05Warren County, NJNJ112,953+11.8%–

06Middlesex County, NJNJ883,335+11.7%–

07Morris County, NJNJ524,251+11.6%–

08Monmouth County, NJNJ651,035+11.2%–

09Gloucester County, NJNJ312,638+10.7%–

10Hudson County, NJNJ735,033+10.1%–

11Sussex County, NJNJ148,063+10.1%–

12Passaic County, NJNJ531,624+7.9%–

13Mercer County, NJNJ399,289+7.7%–

14Cape May County, NJNJ93,390+7.6%–

15Burlington County, NJNJ481,439+7.2%–

16Bergen County, NJNJ977,026+7.1%–

17Cumberland County, NJNJ157,148+6.1%–

18Union County, NJNJ601,863+5.8%–

19Essex County, NJNJ896,379+2.0%–

20Camden County, NJNJ535,799+1.2%–

21Salem County, NJNJ66,280-1.5%–

SHOWING 1–21 OF 21

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