Ranking of New Jersey Counties By Percentage of 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 (5.09% of New Jersey population). Among all New Jersey counties, Sussex County had the highest percentage of its population with Polish ancestry (8.46%), followed by Hunterdon County (8.14%), and Ocean County (7.97%).
The chart and table below shows the top 10 counties with high percentage of its population having Polish ancestry.
You can see similar information for other states and for other ancestry groups in New Jersey.
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Related Topics: New Jersey ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of New Jersey Counties By Percentage of Population with Polish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Sussex County | 8.46 |
| 2 | Hunterdon County | 8.14 |
| 3 | Ocean County | 7.97 |
| 4 | Warren County | 6.94 |
| 5 | Cape May County | 6.86 |
| 6 | Somerset County | 6.40 |
| 7 | Morris County | 6.15 |
| 8 | Monmouth County | 6.12 |
| 9 | Burlington County | 6.07 |
| 10 | Gloucester County | 5.73 |
| 11 | Bergen County | 5.66 |
| 12 | Mercer County | 5.63 |
| 13 | Middlesex County | 5.35 |
| 14 | Camden County | 4.64 |
| 15 | Union County | 4.26 |
| 16 | Salem County | 4.03 |
| 17 | Atlantic County | 3.87 |
| 18 | Passaic County | 3.83 |
| 19 | Hudson County | 2.63 |
| 20 | Cumberland County | 2.51 |
| 21 | Essex County | 2.26 |
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