New Jersey Population By County in 2012

Updated on January 27, 2024.

Based on the US Census Vintage data estimates, in 2012, the population of New Jersey was 8,845,671. Among all New Jersey counties, Bergen had the highest population (916,299), followed by Middlesex (819,389), and Essex (785,092). Salem was the least populated county (65,427).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

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New Jersey Population By County in 2012
New Jersey Population By County in 2012
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County Population % of State Population
Atlantic 274657 3.11
Bergen 916299 10.36
Burlington 450667 5.10
Camden 511636 5.78
Cape May 96267 1.09
Cumberland 156862 1.77
Essex 785092 8.88
Gloucester 289839 3.28
Hudson 652373 7.38
Hunterdon 126658 1.43
Mercer 368628 4.17
Middlesex 819389 9.26
Monmouth 627682 7.10
Morris 495623 5.60
Ocean 580013 6.56
Passaic 503531 5.69
Salem 65427 0.74
Somerset 327462 3.70
Sussex 147003 1.66
Union 542977 6.14
Warren 107586 1.22