New Jersey Citizen Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen population for New Jersey was 7,829,735 and represented 89.77% of the total New Jersey population.

Among all New Jersey counties, Bergen had the highest citizen population (787.31K), followed by Essex (681.93K), and Middlesex (679.28K).

In terms of percentages, Salem had the highest percentage of its population being citizens (98.42%), followed by Gloucester (98.13%), and Sussex (97.88%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

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New Jersey Citizen Population By County in 2010
New Jersey Citizen Population By County in 2010
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County Citizen Population % of County Population
Bergen 787310 87.82
Essex 681925 87.33
Middlesex 679275 85.03
Monmouth 590195 93.96
Ocean 549765 96.56
Camden 486550 94.74
Hudson 483065 77.65
Morris 448090 91.48
Union 446845 84.38
Burlington 429575 95.92
Passaic 426380 85.93
Mercer 322495 88.49
Somerset 285755 89.48
Gloucester 279885 98.13
Atlantic 251730 92.16
Sussex 146815 97.88
Cumberland 144370 92.87
Hunterdon 124165 96.66
Warren 105150 96.49
Cape May 95455 97.72
Salem 64935 98.42