Ranking of New Jersey Counties By Percentage of Population with Czechoslovakian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 8.87K people in New Jersey with Czechoslovakian ancestry (0.10% of New Jersey population). Among all New Jersey counties, Hunterdon County had the highest percentage of its population with Czechoslovakian ancestry (0.33%), followed by Somerset County (0.21%), and Warren County (0.20%).
The chart and table below shows the top 10 counties with high percentage of its population having Czechoslovakian 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 Czechoslovakian Ancestry in 2021
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| Rank | County | Percentage of Pop. (%) |
|---|---|---|
| 1 | Hunterdon County | 0.33 |
| 2 | Somerset County | 0.21 |
| 3 | Warren County | 0.20 |
| 4 | Sussex County | 0.19 |
| 5 | Ocean County | 0.18 |
| 6 | Monmouth County | 0.16 |
| 7 | Morris County | 0.15 |
| 8 | Cape May County | 0.13 |
| 9 | Bergen County | 0.11 |
| 9 | Burlington County | 0.11 |
| 10 | Mercer County | 0.07 |
| 10 | Middlesex County | 0.07 |
| 11 | Atlantic County | 0.06 |
| 11 | Passaic County | 0.06 |
| 11 | Union County | 0.06 |
| 12 | Camden County | 0.05 |
| 12 | Gloucester County | 0.05 |
| 13 | Cumberland County | 0.04 |
| 13 | Essex County | 0.04 |
| 14 | Hudson County | 0.02 |
| 15 | Salem County | 0.01 |