New Jersey Counties Map

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Hover/click a county for data.

Name 2022 Population Growth Since 2010 Land Area (mi²) Density (mi²)
Atlantic County262,713-4.35%555.70472.76
Bergen County930,3602.66%233.053,992.04
Burlington County447,161-0.44%798.58559.95
Camden County506,825-1.26%221.272,290.57
Cape May County90,818-6.58%251.43361.20
Cumberland County146,203-6.70%483.76302.22
Essex County800,1902.06%126.236,339.36
Gloucester County291,9690.97%322.02906.68
Hudson County673,7716.00%46.1714,594.06
Hunterdon County123,063-3.35%427.83287.64
Mercer County365,156-0.70%224.571,626.03
Middlesex County821,7321.35%309.052,658.91
Monmouth County613,803-2.64%468.411,310.40
Morris County488,170-0.90%460.301,060.55
Ocean County624,3108.09%628.84992.79
Passaic County497,755-0.85%185.682,680.77
Salem County61,302-7.09%332.00184.65
Somerset County325,1930.33%301.771,077.61
Sussex County139,549-6.25%518.04269.38
Union County556,1583.50%102.875,406.56
Warren County104,484-3.77%356.94292.72

Counties in New Jersey

  1. New Jersey State Data Center
  2. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  3. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  4. American Community Survey (2009 - 2013)
  5. Census QuickFacts
  6. Historical Populations of States and Counties (1790 - 1990)