RANKING · 2010 CENSUS · 21 SHOWN OF 21

Largest Welsh population, New Jersey counties · 2010

New Jersey counties ranked by the number of residents who are Welsh ancestry, from the 2023 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.

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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 2000

01Burlington County, NJNJ481,4393,721–

02Ocean County, NJNJ673,7463,505–

03Camden County, NJNJ535,7992,981–

04Morris County, NJNJ524,2512,757–

05Bergen County, NJNJ977,0262,606–

06Gloucester County, NJNJ312,6382,552–

07Monmouth County, NJNJ651,0352,541–

08Mercer County, NJNJ399,2891,853–

09Middlesex County, NJNJ883,3351,778–

10Atlantic County, NJNJ278,6571,683–

11Somerset County, NJNJ356,4861,608–

12Essex County, NJNJ896,3791,385–

13Sussex County, NJNJ148,0631,290–

14Warren County, NJNJ112,9531,253–

15Union County, NJNJ601,8631,212–

16Hunterdon County, NJNJ131,7811,145–

17Cape May County, NJNJ93,3901,030–

18Passaic County, NJNJ531,6241,001–

19Hudson County, NJNJ735,033871–

20Cumberland County, NJNJ157,148806–

21Salem County, NJNJ66,280690–

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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