RANKING · 2010 CENSUS · 21 SHOWN OF 21

Highest Polish population share, New Jersey counties · 2010

New Jersey counties ranked by the share of all residents who are Polish ancestry (2010 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 7.2%.

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 –

01Hunterdon County, NJNJ131,78110.6%–

02Ocean County, NJNJ673,7469.6%–

03Sussex County, NJNJ148,0638.8%–

04Warren County, NJNJ112,9538.6%–

05Somerset County, NJNJ356,4867.8%–

06Middlesex County, NJNJ883,3357.8%–

07Mercer County, NJNJ399,2897.7%–

08Burlington County, NJNJ481,4397.7%–

09Monmouth County, NJNJ651,0357.4%–

10Morris County, NJNJ524,2517.3%–

11Gloucester County, NJNJ312,6387.2%–

12Bergen County, NJNJ977,0267.0%–

13Cape May County, NJNJ93,3906.8%–

14Union County, NJNJ601,8635.9%–

15Camden County, NJNJ535,7995.9%–

16Passaic County, NJNJ531,6245.1%–

17Salem County, NJNJ66,2804.5%–

18Atlantic County, NJNJ278,6574.0%–

19Hudson County, NJNJ735,0333.8%–

20Cumberland County, NJNJ157,1483.5%–

21Essex County, NJNJ896,3793.0%–

SHOWING 1–21 OF 21

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