RANKING · 2024 ACS · 21 SHOWN OF 21

Highest Welsh population share, New Jersey counties

New Jersey counties ranked by the share of all residents who are Welsh ancestry (2024 American Community Survey). A concentration measure: Welsh residents as a percentage of total population. This list covers the 21 counties in New Jersey that qualify, ranked against each other statewide. The median across all 21 is 0.3%. Biggest climber in the top 100 since 2020: Hudson County, NJ, up 5 places to #16.

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 SHAREVS 2010

01▲1Salem County, NJNJ66,2801.0%0.0 pts

02▲2Gloucester County, NJNJ312,6380.9%0.0 pts

03▼2Cape May County, NJNJ93,3900.8%−0.2 pts

04▼1Warren County, NJNJ112,9530.6%−0.5 pts

05▲3Sussex County, NJNJ148,0630.6%−0.3 pts

06▼1Burlington County, NJNJ481,4390.5%−0.3 pts

07▼1Hunterdon County, NJNJ131,7810.5%−0.4 pts

08▲1Atlantic County, NJNJ278,6570.4%−0.2 pts

09▼2Camden County, NJNJ535,7990.4%−0.2 pts

10▲2Morris County, NJNJ524,2510.4%−0.2 pts

11▲4Somerset County, NJNJ356,4860.3%−0.2 pts

12▲1Ocean County, NJNJ673,7460.3%−0.3 pts

13▼3Mercer County, NJNJ399,2890.3%−0.2 pts

14▼3Cumberland County, NJNJ157,1480.2%−0.3 pts

15▼1Monmouth County, NJNJ651,0350.2%−0.2 pts

16▲5Hudson County, NJNJ735,0330.2%0.0 pts

17▲1Union County, NJNJ601,8630.1%−0.1 pts

18▼1Bergen County, NJNJ977,0260.1%−0.2 pts

19▼3Middlesex County, NJNJ883,3350.1%−0.1 pts

20▼1Essex County, NJNJ896,3790.1%−0.1 pts

21▼1Passaic County, NJNJ531,6240.1%−0.1 pts

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES