Map of New Jersey

Click New Jersey to zoom in and explore counties. Click any other state to visit its page.

How many counties are in New Jersey?

New Jersey has 21 counties. The list below includes each county, its FIPS code, and population.

Total counties 21 Current county count for New Jersey.

Largest by population Bergen County 957,736 residents

Smallest by population Salem County 65,338 residents

New Jersey county table

County list for New Jersey with county FIPS codes and population totals.

County	State	County FIPS	Population
Bergen County	NJ	34003	957,736
Middlesex County	NJ	34023	863,623
Essex County	NJ	34013	851,117
Hudson County	NJ	34017	705,472
Ocean County	NJ	34029	659,197
Monmouth County	NJ	34025	642,799
Union County	NJ	34039	572,726
Camden County	NJ	34007	527,196
Morris County	NJ	34027	514,423
Passaic County	NJ	34031	513,395
Burlington County	NJ	34005	469,167
Mercer County	NJ	34021	381,671
Somerset County	NJ	34035	348,842
Gloucester County	NJ	34015	308,423
Atlantic County	NJ	34001	275,213
Cumberland County	NJ	34011	152,326
Sussex County	NJ	34037	146,132
Hunterdon County	NJ	34019	130,183
Warren County	NJ	34041	111,252
Cape May County	NJ	34009	94,610
Salem County	NJ	34033	65,338

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