Ranking of New Jersey Counties By Population with Polish Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 470.08K people in New Jersey with Polish ancestry. Among all New Jersey counties, Bergen County had the highest population with Polish ancestry (53.96K), followed by Ocean County (50.23K), and Middlesex County (45.96K).

The chart and table below shows the top 10 counties with high number of people with Polish ancestry.

You can see similar information for other states and for other ancestry groups in New Jersey.

Data Source: US Census Bureau.
Ranking of New Jersey Counties By Population with Polish Ancestry in 2021
Bergen County
Ocean County
Middlesex County
Monmouth County
Morris County
Burlington County
Union County
Camden County
Somerset County
Mercer County
Ranking of New Jersey Counties By Population with Polish Ancestry in 2021
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Rank County Population
1 Bergen County 53962
2 Ocean County 50230
3 Middlesex County 45961
4 Monmouth County 39270
5 Morris County 31238
6 Burlington County 27933
7 Union County 24391
8 Camden County 24201
9 Somerset County 22019
10 Mercer County 21679
11 Passaic County 19973
12 Essex County 19280
13 Hudson County 18764
14 Gloucester County 17230
15 Sussex County 12230
16 Atlantic County 10607
17 Hunterdon County 10479
18 Warren County 7587
19 Cape May County 6548
20 Cumberland County 3889
21 Salem County 2611