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List of All Counties in New Jersey

There are a total of 21 counties in the state of New Jersey. Among them, Bergen County is the oldest one (established in 1683) while Union County is the youngest (established in 1857).  With population of 905,116, Bergen County is the most populated. The biggest county by land area is Burlington County (2,085 km2) and the smallest is Hudson County (122 km2). Below please see all New Jersey counties which are listed in alphabetical order.

  • Atlantic County, NJ
  • Bergen County, NJ
  • Burlington County, NJ
  • Camden County, NJ
  • Cape May County, NJ
  • Cumberland County, NJ
  • Essex County, NJ
  • Gloucester County, NJ
  • Hudson County, NJ
  • Hunterdon County, NJ
  • Mercer County, NJ
  • Middlesex County, NJ
  • Monmouth County, NJ
  • Morris County, NJ
  • Ocean County, NJ
  • Passaic County, NJ
  • Salem County, NJ
  • Somerset County, NJ
  • Sussex County, NJ
  • Union County, NJ
  • Warren County, NJ

Map of New Jersey Counties

Map of New Jersey Counties

Read more:

  • List of Cities and Towns in New Jersey
  • List of All Counties in Louisiana
  • List of All Counties in Alabama
  • List of All Counties in Nebraska
  • List of All Counties in Nevada
  • List of All Counties in New Mexico
  • List of All Counties in New York
  • List of All Counties in Ohio
  • List of All Counties in Pennsylvania
  • List of All Counties in New Hampshire
  • List of All Counties in Texas
  • List of All Counties in Wisconsin
  • List of All Counties in Washington

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