New Jersey Citizen Population By County in 2015 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2015, the citizen population for New Jersey was 7,999,360 and represented 89.84% of the total New Jersey population.

Among all New Jersey counties, Bergen had the highest citizen population (816.37K), followed by Middlesex (703.58K), and Essex (690.25K).

In terms of percentages, Gloucester had the highest percentage of its population being citizens (97.86%), followed by Sussex (97.61%), and Salem (97.17%).

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 2015
New Jersey Citizen Population By County in 2015
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County Citizen Population % of County Population
Bergen 816365 88.13
Middlesex 703575 84.74
Essex 690250 87.20
Monmouth 593940 94.40
Ocean 562250 96.37
Hudson 513125 77.44
Camden 486705 95.06
Union 467000 85.10
Morris 458365 92.01
Passaic 442550 87.19
Burlington 434525 96.44
Mercer 326695 88.25
Somerset 296680 89.74
Gloucester 284090 97.86
Atlantic 254460 92.41
Cumberland 145740 92.81
Sussex 142435 97.61
Hunterdon 121595 96.31
Warren 102650 95.73
Cape May 93080 97.16
Salem 63280 97.17