RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest Polish population share, New Jersey counties · 2020

New Jersey counties ranked by the share of all residents who are Polish ancestry (2020 American Community Survey). A concentration measure: Polish residents as a percentage of total population. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 5.7%.

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 SHAREVS 2010

01Hunterdon County, NJNJ131,7819.0%−1.6 pts

02Sussex County, NJNJ148,0638.7%−0.1 pts

03Ocean County, NJNJ673,7468.5%−1.2 pts

04Warren County, NJNJ112,9537.2%−1.4 pts

05Cape May County, NJNJ93,3906.9%+0.1 pts

06Morris County, NJNJ524,2516.4%−0.9 pts

07Somerset County, NJNJ356,4866.4%−1.4 pts

08Burlington County, NJNJ481,4396.4%−1.3 pts

09Monmouth County, NJNJ651,0356.3%−1.0 pts

10Gloucester County, NJNJ312,6385.8%−1.4 pts

11Bergen County, NJNJ977,0265.7%−1.3 pts

12Middlesex County, NJNJ883,3355.5%−2.3 pts

13Mercer County, NJNJ399,2895.3%−2.4 pts

14Camden County, NJNJ535,7994.7%−1.2 pts

15Union County, NJNJ601,8634.5%−1.4 pts

16Salem County, NJNJ66,2804.4%−0.1 pts

17Passaic County, NJNJ531,6244.0%−1.1 pts

18Atlantic County, NJNJ278,6573.9%−0.1 pts

19Hudson County, NJNJ735,0332.7%−1.1 pts

20Cumberland County, NJNJ157,1482.7%−0.7 pts

21Essex County, NJNJ896,3792.3%−0.7 pts

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS