Counties in New Jersey

New Jersey is divided into 21 counties. Here is the complete list:

List of All Counties in New Jersey

  1. Atlantic County
  2. Bergen County
  3. Burlington County
  4. Camden County
  5. Cape May County
  6. Cumberland County
  7. Essex County
  8. Gloucester County
  9. Hudson County
  10. Hunterdon County
  11. Mercer County
  12. Middlesex County
  13. Monmouth County
  14. Morris County
  15. Ocean County
  16. Passaic County
  17. Salem County
  18. Somerset County
  19. Sussex County
  20. Union County
  21. Warren County

Quick Facts about New Jersey

New Jersey map and seal
New Jersey map and seal


Category Quick Facts
Geography Located in the Mid-Atlantic region of the U.S.
History One of the original 13 colonies; became a state on December 18, 1787
Economy Known for pharmaceuticals, finance, and technology
Climate Humid subtropical in south, humid continental in north
Natural Attractions Jersey Shore, Pine Barrens, Delaware Water Gap
Culture Famous for its diverse population and cultural heritage
Miscellaneous State bird is the Eastern Goldfinch, State flower is the Violet
Population Approximately 8.9 million as of 2020 Census
Notable People Thomas Edison, Bruce Springsteen, Meryl Streep
Notable Places Princeton, Atlantic City, Hoboken
Bordering States Borders New York to the north and northeast, Pennsylvania to the west, and Delaware to the southwest
Official Website


What is the biggest county in New Jersey?

  • Bergen County is the largest county in New Jersey. According to the latest available data, it has a population of 952,997, making it the most populous county in the state as well. Bergen County covers an area of approximately 519.01 square miles.

How many counties is in New Jersey?

  • There are 21 counties in the state of New Jersey.

What county in NJ has the most towns?

  • Bergen County in New Jersey has the most towns. It is known for having a significant number of municipalities, with a total of 70 towns. This phenomenon is often referred to as “Boroughitis,” which has led to a higher number of towns within the county compared to other counties in the state.

Related: List of All 50 States in USA