RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest Welsh population share, New Jersey counties · 2020

New Jersey counties ranked by the share of all residents who are Welsh ancestry (2020 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 0.4%.

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

01Cape May County, NJNJ93,3901.1%0.0 pts

02Salem County, NJNJ66,2801.0%0.0 pts

03Warren County, NJNJ112,9530.9%−0.2 pts

04Gloucester County, NJNJ312,6380.9%0.0 pts

05Burlington County, NJNJ481,4390.8%0.0 pts

06Hunterdon County, NJNJ131,7810.7%−0.2 pts

07Camden County, NJNJ535,7990.6%0.0 pts

08Sussex County, NJNJ148,0630.5%−0.4 pts

09Atlantic County, NJNJ278,6570.4%−0.2 pts

10Mercer County, NJNJ399,2890.4%−0.1 pts

11Cumberland County, NJNJ157,1480.4%−0.1 pts

12Morris County, NJNJ524,2510.4%−0.2 pts

13Ocean County, NJNJ673,7460.3%−0.3 pts

14Monmouth County, NJNJ651,0350.3%−0.1 pts

15Somerset County, NJNJ356,4860.3%−0.2 pts

16Middlesex County, NJNJ883,3350.2%0.0 pts

17Bergen County, NJNJ977,0260.2%−0.1 pts

18Union County, NJNJ601,8630.2%−0.1 pts

19Essex County, NJNJ896,3790.1%0.0 pts

20Passaic County, NJNJ531,6240.1%−0.1 pts

21Hudson County, NJNJ735,0330.1%0.0 pts

SHOWING 1–21 OF 21

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS