RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Australian population, New Jersey counties · 2020

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

Australian 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

Largest Australian population by state

RANKPLACESTATEPOPAUSTRALIAN POPULATIONVS 2010

01Union County, NJNJ601,863386+216%

02Bergen County, NJNJ977,026347+40%

03Hudson County, NJNJ735,033258−55%

04Essex County, NJNJ896,379217+82%

05Middlesex County, NJNJ883,335189+510%

06Mercer County, NJNJ399,289186+60%

07Ocean County, NJNJ673,746184+14%

08Cape May County, NJNJ93,390130–

09Morris County, NJNJ524,251101+10%

10Monmouth County, NJNJ651,03594+147%

11Camden County, NJNJ535,79984+47%

12Cumberland County, NJNJ157,14873+128%

13Somerset County, NJNJ356,48661−56%

14Hunterdon County, NJNJ131,78160−13%

15Warren County, NJNJ112,95349+75%

16Sussex County, NJNJ148,06340+900%

17Salem County, NJNJ66,28039+550%

18Burlington County, NJNJ481,43935−68%

19Passaic County, NJNJ531,62422−33%

20Gloucester County, NJNJ312,63821−50%

21Atlantic County, NJNJ278,65721−69%

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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