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.

Data Source: US Census Bureau.
Ranking of New Jersey Counties By Population with Czech Ancestry in 2021
Ocean County
Bergen County
Morris County
Monmouth County
Middlesex County
Burlington County
Somerset County
Camden County
Essex County
Passaic County
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