New Jersey Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen population for New Jersey was 8,012,125 and represented 90.21% of the total New Jersey population.

Among all New Jersey counties, Bergen had the highest citizen population (825.00K), followed by Middlesex (705.12K), and Essex (697.14K).

In terms of percentages, Gloucester had the highest percentage of its population being citizens (98.31%), followed by Sussex (97.80%), and Cape May (97.73%).

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 2018
New Jersey Citizen Population By County in 2018
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County Citizen Population % of County Population
Bergen 825000 88.71
Middlesex 705115 85.29
Essex 697135 87.85
Monmouth 591155 94.83
Ocean 573010 96.80
Hudson 518760 77.59
Camden 483065 95.21
Union 473970 85.70
Morris 457645 92.57
Passaic 439595 87.21
Burlington 430870 96.53
Mercer 325800 88.35
Somerset 297185 90.01
Gloucester 285925 98.31
Atlantic 249910 93.06
Cumberland 143005 93.22
Sussex 139170 97.80
Hunterdon 120400 96.28
Warren 102105 96.06
Cape May 91575 97.73
Salem 61715 97.44