RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Polish population, New Jersey counties · 2020

New Jersey counties ranked by the number of residents who are Polish ancestry, from the 2020 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.

Polish 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

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

01Bergen County, NJNJ977,02653,179−15%

02Ocean County, NJNJ673,74650,975−7%

03Middlesex County, NJNJ883,33545,450−27%

04Monmouth County, NJNJ651,03539,277−15%

05Morris County, NJNJ524,25131,769−11%

06Burlington County, NJNJ481,43928,547−17%

07Union County, NJNJ601,86324,720−21%

08Camden County, NJNJ535,79923,682−22%

09Somerset County, NJNJ356,48621,189−15%

10Passaic County, NJNJ531,62420,318−20%

11Mercer County, NJNJ399,28919,636−30%

12Hudson County, NJNJ735,03318,461−23%

13Essex County, NJNJ896,37918,180−22%

14Gloucester County, NJNJ312,63816,957−17%

15Sussex County, NJNJ148,06312,243−7%

16Hunterdon County, NJNJ131,78111,197−18%

17Atlantic County, NJNJ278,65710,368−6%

18Warren County, NJNJ112,9537,592−19%

19Cape May County, NJNJ93,3906,422−3%

20Cumberland County, NJNJ157,1484,099−24%

21Salem County, NJNJ66,2802,765−7%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS