Ranking of New Jersey Counties By Total Population from Census 2020

Updated on February 7, 2023.

According to the data from the US 2020 Census, the most populated New Jersey county as at April 2020 was Bergen County (955.73K), followed by Essex County (863.73K), and Middlesex County (863.16K).

The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of New Jersey.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of New Jersey Counties By Total Population from Census 2020
Bergen
Essex
Middlesex
Hudson
Monmouth
Ocean
Union
Passaic
Camden
Morris
Ranking of New Jersey Counties By Total Population from Census 2020
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Rank County Population
1 Bergen County 955732
2 Essex County 863728
3 Middlesex County 863162
4 Hudson County 724854
5 Monmouth County 643615
6 Ocean County 637229
7 Union County 575345
8 Passaic County 524118
9 Camden County 523485
10 Morris County 509285
11 Burlington County 461860
12 Mercer County 387340
13 Somerset County 345361
14 Gloucester County 302294
15 Atlantic County 274534
16 Cumberland County 154152
17 Sussex County 144221
18 Hunterdon County 128947
19 Warren County 109632
20 Cape May County 95263
21 Salem County 64837