Ranking of New Jersey Counties By Percentage of Population with Scotch Irish Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 31.37K people in New Jersey with Scotch Irish ancestry (0.34% of New Jersey population). Among all New Jersey counties, Cape May County had the highest percentage of its population with Scotch Irish ancestry (0.82%), followed by Warren County (0.76%), and Salem County (0.72%).
The chart and table below shows the top 10 counties with high percentage of its population having Scotch Irish 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 Scotch Irish Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Cape May County | 0.82 |
| 2 | Warren County | 0.76 |
| 3 | Salem County | 0.72 |
| 4 | Sussex County | 0.71 |
| 5 | Gloucester County | 0.57 |
| 6 | Atlantic County | 0.56 |
| 6 | Burlington County | 0.56 |
| 7 | Hunterdon County | 0.55 |
| 8 | Ocean County | 0.50 |
| 9 | Morris County | 0.48 |
| 10 | Camden County | 0.43 |
| 11 | Monmouth County | 0.42 |
| 12 | Cumberland County | 0.35 |
| 13 | Mercer County | 0.31 |
| 14 | Somerset County | 0.26 |
| 15 | Passaic County | 0.25 |
| 16 | Union County | 0.22 |
| 17 | Bergen County | 0.21 |
| 18 | Middlesex County | 0.20 |
| 19 | Essex County | 0.17 |
| 20 | Hudson County | 0.13 |
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