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 (2020 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.

Scotch-Irish Americans: full group profile →

New JerseyAll states All rankings

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 2010

01Cape May County, NJNJ93,3900.9%−1.1 pts

02Warren County, NJNJ112,9530.8%−0.5 pts

03Sussex County, NJNJ148,0630.7%−0.6 pts

04Salem County, NJNJ66,2800.6%−1.2 pts

05Burlington County, NJNJ481,4390.6%−0.8 pts

06Gloucester County, NJNJ312,6380.6%−1.0 pts

07Hunterdon County, NJNJ131,7810.6%−1.1 pts

08Atlantic County, NJNJ278,6570.5%−0.5 pts

09Ocean County, NJNJ673,7460.5%−0.8 pts

10Morris County, NJNJ524,2510.5%−0.7 pts

11Camden County, NJNJ535,7990.5%−0.7 pts

12Monmouth County, NJNJ651,0350.4%−1.0 pts

13Cumberland County, NJNJ157,1480.4%−0.7 pts

14Mercer County, NJNJ399,2890.4%−0.7 pts

15Somerset County, NJNJ356,4860.3%−0.6 pts

16Passaic County, NJNJ531,6240.3%−0.3 pts

17Bergen County, NJNJ977,0260.2%−0.6 pts

18Union County, NJNJ601,8630.2%−0.4 pts

19Middlesex County, NJNJ883,3350.2%−0.4 pts

20Essex County, NJNJ896,3790.2%−0.3 pts

21Hudson County, NJNJ735,0330.2%−0.3 pts

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS