Ranking of New Jersey Counties By Population with Czech Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 21.82K people in New Jersey with Czech ancestry. Among all New Jersey counties, Ocean County had the highest population with Czech ancestry (2.52K), followed by Bergen County (2.18K), and Morris County (1.89K).
The chart and table below shows the top 10 counties with high number of people with Czech 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 Czech Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Ocean County | 2518 |
| 2 | Bergen County | 2181 |
| 3 | Morris County | 1894 |
| 4 | Monmouth County | 1867 |
| 5 | Middlesex County | 1701 |
| 6 | Burlington County | 1545 |
| 7 | Somerset County | 1299 |
| 8 | Camden County | 1288 |
| 9 | Essex County | 1146 |
| 10 | Passaic County | 1063 |
| 11 | Union County | 991 |
| 12 | Mercer County | 970 |
| 13 | Hunterdon County | 694 |
| 14 | Hudson County | 593 |
| 15 | Sussex County | 551 |
| 16 | Gloucester County | 549 |
| 17 | Warren County | 369 |
| 18 | Atlantic County | 214 |
| 19 | Cape May County | 203 |
| 20 | Cumberland County | 124 |
| 21 | Salem County | 58 |