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 (2023 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.

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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 2000

01Hunterdon County, NJNJ131,7819.0%–

02Sussex County, NJNJ148,0638.7%–

03Ocean County, NJNJ673,7468.5%–

04Warren County, NJNJ112,9537.2%–

05Cape May County, NJNJ93,3906.9%–

06Morris County, NJNJ524,2516.4%–

07Somerset County, NJNJ356,4866.4%–

08Burlington County, NJNJ481,4396.4%–

09Monmouth County, NJNJ651,0356.3%–

10Gloucester County, NJNJ312,6385.8%–

11Bergen County, NJNJ977,0265.7%–

12Middlesex County, NJNJ883,3355.5%–

13Mercer County, NJNJ399,2895.3%–

14Camden County, NJNJ535,7994.7%–

15Union County, NJNJ601,8634.5%–

16Salem County, NJNJ66,2804.4%–

17Passaic County, NJNJ531,6244.0%–

18Atlantic County, NJNJ278,6573.9%–

19Hudson County, NJNJ735,0332.7%–

20Cumberland County, NJNJ157,1482.7%–

21Essex County, NJNJ896,3792.3%–

SHOWING 1–21 OF 21

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