RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest Scotch-Irish population share, New Jersey counties · 2020

New Jersey counties ranked by the share of all residents who are Scotch-Irish ancestry (2023 American Community Survey). A concentration measure: Scotch-Irish 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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS 2000

01Cape May County, NJNJ93,3900.9%–

02Warren County, NJNJ112,9530.8%–

03Sussex County, NJNJ148,0630.7%–

04Salem County, NJNJ66,2800.6%–

05Burlington County, NJNJ481,4390.6%–

06Gloucester County, NJNJ312,6380.6%–

07Hunterdon County, NJNJ131,7810.6%–

08Atlantic County, NJNJ278,6570.5%–

09Ocean County, NJNJ673,7460.5%–

10Morris County, NJNJ524,2510.5%–

11Camden County, NJNJ535,7990.5%–

12Monmouth County, NJNJ651,0350.4%–

13Cumberland County, NJNJ157,1480.4%–

14Mercer County, NJNJ399,2890.4%–

15Somerset County, NJNJ356,4860.3%–

16Passaic County, NJNJ531,6240.3%–

17Bergen County, NJNJ977,0260.2%–

18Union County, NJNJ601,8630.2%–

19Middlesex County, NJNJ883,3350.2%–

20Essex County, NJNJ896,3790.2%–

21Hudson County, NJNJ735,0330.2%–

SHOWING 1–21 OF 21

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