RANKING · 2024 ACS · 21 SHOWN OF 21

Largest Welsh population, New Jersey counties

New Jersey counties ranked by the number of residents who are Welsh ancestry, from the 2024 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.

Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Gloucester County, NJNJ312,6382,677+5%

02Burlington County, NJNJ481,4392,507−33%

03Camden County, NJNJ535,7992,148−28%

04Morris County, NJNJ524,2511,987−28%

05Ocean County, NJNJ673,7461,847−47%

06Monmouth County, NJNJ651,0351,537−40%

07Bergen County, NJNJ977,0261,275−51%

08Atlantic County, NJNJ278,6571,143−32%

09Middlesex County, NJNJ883,3351,119−37%

10Hudson County, NJNJ735,0331,098+26%

11Mercer County, NJNJ399,2891,029−44%

12Somerset County, NJNJ356,4861,008−37%

13Essex County, NJNJ896,379916−34%

14Sussex County, NJNJ148,063832−36%

15Union County, NJNJ601,863820−32%

16Cape May County, NJNJ93,390780−24%

17Warren County, NJNJ112,953716−43%

18Salem County, NJNJ66,280674−2%

19Hunterdon County, NJNJ131,781645−44%

20Passaic County, NJNJ531,624477−52%

21Cumberland County, NJNJ157,148380−53%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES