RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Scotch-Irish population, New Jersey counties · 2020

New Jersey counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide.

Scotch-Irish 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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2010

01Ocean County, NJNJ673,7463,032−59%

02Burlington County, NJNJ481,4392,753−57%

03Monmouth County, NJNJ651,0352,666−70%

04Morris County, NJNJ524,2512,377−60%

05Camden County, NJNJ535,7992,336−61%

06Bergen County, NJNJ977,0262,143−70%

07Gloucester County, NJNJ312,6381,796−60%

08Middlesex County, NJNJ883,3351,601−67%

09Atlantic County, NJNJ278,6571,433−48%

10Passaic County, NJNJ531,6241,370−55%

11Essex County, NJNJ896,3791,330−63%

12Mercer County, NJNJ399,2891,290−65%

13Union County, NJNJ601,8631,257−62%

14Hudson County, NJNJ735,0331,024−60%

15Somerset County, NJNJ356,4861,018−65%

16Sussex County, NJNJ148,0631,012−50%

17Warren County, NJNJ112,953815−40%

18Cape May County, NJNJ93,390809−57%

19Hunterdon County, NJNJ131,781705−67%

20Cumberland County, NJNJ157,148559−66%

21Salem County, NJNJ66,280405−67%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS