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RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Czech population, New Jersey counties · 2020

New Jersey counties ranked by the number of residents who are Czech ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

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SAME RANKING BYCitiesStatesMetros
RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Largest Czech population by state
RANKPLACESTATEPOPCZECH POPULATIONVS 2000
01Ocean County, NJNJ673,7462,662
02Bergen County, NJNJ977,0262,525
03Morris County, NJNJ524,2511,970
04Monmouth County, NJNJ651,0351,735
05Camden County, NJNJ535,7991,437
06Burlington County, NJNJ481,4391,390
07Middlesex County, NJNJ883,3351,269
08Passaic County, NJNJ531,6241,267
09Somerset County, NJNJ356,4861,256
10Essex County, NJNJ896,3791,154
11Union County, NJNJ601,863873
12Mercer County, NJNJ399,289694
13Hunterdon County, NJNJ131,781687
14Hudson County, NJNJ735,033651
15Sussex County, NJNJ148,063628
16Gloucester County, NJNJ312,638584
17Warren County, NJNJ112,953361
18Atlantic County, NJNJ278,657358
19Cumberland County, NJNJ157,148303
20Cape May County, NJNJ93,390256
21Salem County, NJNJ66,28053
SHOWING 1–21 OF 21
Download CSV (full list, 21 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES