RANKING · 2000 CENSUS · 21 SHOWN OF 21

Fastest shrinking, New Jersey counties · 2000

New Jersey counties with the steepest population decline 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 growing Most population gained Most population lost Most densely populated Most sparsely populated

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS –

01Salem County, NJNJ66,280-1.5%–

02Camden County, NJNJ535,799+1.2%–

03Essex County, NJNJ896,379+2.0%–

04Union County, NJNJ601,863+5.8%–

05Cumberland County, NJNJ157,148+6.1%–

06Bergen County, NJNJ977,026+7.1%–

07Burlington County, NJNJ481,439+7.2%–

08Cape May County, NJNJ93,390+7.6%–

09Mercer County, NJNJ399,289+7.7%–

10Passaic County, NJNJ531,624+7.9%–

11Sussex County, NJNJ148,063+10.1%–

12Hudson County, NJNJ735,033+10.1%–

13Gloucester County, NJNJ312,638+10.7%–

14Monmouth County, NJNJ651,035+11.2%–

15Morris County, NJNJ524,251+11.6%–

16Middlesex County, NJNJ883,335+11.7%–

17Warren County, NJNJ112,953+11.8%–

18Atlantic County, NJNJ278,657+12.6%–

19Hunterdon County, NJNJ131,781+13.2%–

20Ocean County, NJNJ673,746+17.9%–

21Somerset County, NJNJ356,486+23.8%–

SHOWING 1–21 OF 21

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