Ranking of New Jersey Counties By Population with Unclassified Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 1.50M people in New Jersey with Unclassified ancestry. Among all New Jersey counties, Bergen County had the highest population with Unclassified ancestry (143.65K), followed by Middlesex County (138.26K), and Essex County (134.12K).
The chart and table below shows the top 10 counties with high number of people with Unclassified 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 Population with Unclassified Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Bergen County | 143646 |
| 2 | Middlesex County | 138263 |
| 3 | Essex County | 134117 |
| 4 | Ocean County | 112506 |
| 5 | Hudson County | 105345 |
| 6 | Monmouth County | 105157 |
| 7 | Camden County | 96997 |
| 8 | Union County | 89762 |
| 9 | Burlington County | 84111 |
| 10 | Passaic County | 76199 |
| 11 | Morris County | 74518 |
| 12 | Somerset County | 58847 |
| 13 | Gloucester County | 57068 |
| 14 | Mercer County | 55650 |
| 15 | Atlantic County | 45816 |
| 16 | Cumberland County | 30357 |
| 17 | Sussex County | 25257 |
| 18 | Hunterdon County | 19159 |
| 19 | Warren County | 18113 |
| 20 | Cape May County | 15890 |
| 21 | Salem County | 14818 |
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