RANKING · 2024 ACS · 21 SHOWN OF 21

Largest Czech population, New Jersey counties

New Jersey counties ranked by the number of residents who are Czech ancestry, from the 2024 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.

Czech Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Bergen County, NJNJ977,0262,176−40%

02Ocean County, NJNJ673,7462,062−39%

03Morris County, NJNJ524,2511,742−54%

04Monmouth County, NJNJ651,0351,561−38%

05Somerset County, NJNJ356,4861,306−18%

06Burlington County, NJNJ481,4391,218−10%

07Middlesex County, NJNJ883,3351,079−59%

08Essex County, NJNJ896,3791,078−19%

09Mercer County, NJNJ399,2891,052−38%

10Union County, NJNJ601,863982−43%

11Gloucester County, NJNJ312,638904+10%

12Passaic County, NJNJ531,624807−42%

13Hudson County, NJNJ735,033789−7%

14Sussex County, NJNJ148,063731−48%

15Camden County, NJNJ535,799658−44%

16Hunterdon County, NJNJ131,781632−36%

17Warren County, NJNJ112,953352−64%

18Atlantic County, NJNJ278,657254−59%

19Cape May County, NJNJ93,390167−43%

20Cumberland County, NJNJ157,148100−55%

21Salem County, NJNJ66,28022−50%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES