RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Swiss population, New Jersey counties · 2020

New Jersey counties ranked by the number of residents who are Swiss 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.

Swiss Americans: full group profile →

New JerseyAll states All rankings

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

RANKPLACESTATEPOPSWISS POPULATIONVS 2010

01Morris County, NJNJ524,2511,901−4%

02Bergen County, NJNJ977,0261,877−39%

03Monmouth County, NJNJ651,0351,327−6%

04Ocean County, NJNJ673,7461,083−27%

05Middlesex County, NJNJ883,335839+2%

06Somerset County, NJNJ356,486816+7%

07Passaic County, NJNJ531,624757−36%

08Warren County, NJNJ112,953605+101%

09Burlington County, NJNJ481,439598−44%

10Union County, NJNJ601,863559−20%

11Sussex County, NJNJ148,063553−36%

12Gloucester County, NJNJ312,638530+42%

13Hunterdon County, NJNJ131,781515−10%

14Essex County, NJNJ896,379484−55%

15Mercer County, NJNJ399,289468−19%

16Camden County, NJNJ535,799429−26%

17Hudson County, NJNJ735,033426−12%

18Atlantic County, NJNJ278,657252−40%

19Salem County, NJNJ66,280242+17%

20Cape May County, NJNJ93,390213−9%

21Cumberland County, NJNJ157,148142+37%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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