New Jersey is divided into 21 counties. Here is the complete list:
List of All Counties in New Jersey
- Atlantic County
- Bergen County
- Burlington County
- Camden County
- Cape May County
- Cumberland County
- Essex County
- Gloucester County
- Hudson County
- Hunterdon County
- Mercer County
- Middlesex County
- Monmouth County
- Morris County
- Ocean County
- Passaic County
- Salem County
- Somerset County
- Sussex County
- Union County
- Warren County
Quick Facts about New Jersey

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 | https://www.nj.gov/ |
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