Ranking of New Jersey Counties By Population with Other Groups Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 3.50M people in New Jersey with Other Groups ancestry. Among all New Jersey counties, Hudson County had the highest population with Other Groups ancestry (423.33K), followed by Middlesex County (417.81K), and Essex County (411.13K).
The chart and table below shows the top 10 counties with high number of people with Other Groups 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 Other Groups Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Hudson County | 423326 |
| 2 | Middlesex County | 417808 |
| 3 | Essex County | 411134 |
| 4 | Bergen County | 376855 |
| 5 | Union County | 267051 |
| 6 | Passaic County | 266274 |
| 7 | Camden County | 187602 |
| 8 | Mercer County | 163841 |
| 9 | Monmouth County | 145597 |
| 10 | Morris County | 139740 |
| 11 | Somerset County | 131872 |
| 12 | Ocean County | 124402 |
| 13 | Burlington County | 123001 |
| 14 | Atlantic County | 103635 |
| 15 | Cumberland County | 70782 |
| 16 | Gloucester County | 59693 |
| 17 | Sussex County | 21601 |
| 18 | Hunterdon County | 20837 |
| 19 | Warren County | 18617 |
| 20 | Salem County | 14970 |
| 21 | Cape May County | 14657 |