RANKING · 2000 CENSUS · 21 SHOWN OF 21

Most population lost, New Jersey counties · 2000

New Jersey counties that lost the most residents from the 1990 census to 2000, by raw count of people rather than percentage. 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

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION CHANGEVS –

01Salem County, NJNJ66,280-1,009–

02Camden County, NJNJ535,799+6,108–

03Cape May County, NJNJ93,390+7,237–

04Cumberland County, NJNJ157,148+8,385–

05Warren County, NJNJ112,953+10,830–

06Sussex County, NJNJ148,063+13,223–

07Hunterdon County, NJNJ131,781+14,213–

08Essex County, NJNJ896,379+15,427–

09Gloucester County, NJNJ312,638+24,591–

10Mercer County, NJNJ399,289+24,937–

11Atlantic County, NJNJ278,657+28,225–

12Burlington County, NJNJ481,439+28,328–

13Union County, NJNJ601,863+28,722–

14Passaic County, NJNJ531,624+35,989–

15Morris County, NJNJ524,251+48,859–

16Hudson County, NJNJ735,033+55,876–

17Somerset County, NJNJ356,486+57,211–

18Bergen County, NJNJ977,026+58,738–

19Monmouth County, NJNJ651,035+62,177–

20Ocean County, NJNJ673,746+77,713–

21Middlesex County, NJNJ883,335+78,382–

SHOWING 1–21 OF 21

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