RANKING · 2024 ACS · 42 SHOWN OF 42

Largest Australian population, Pennsylvania counties

Pennsylvania counties ranked by the number of residents who are Australian 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 42 counties in Pennsylvania that qualify, ranked against each other statewide.

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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 2000

01Allegheny County, PAPA1,225,035327–

02Chester County, PAPA557,116311–

03Philadelphia County, PAPA1,574,281301–

04Dauphin County, PAPA293,351130–

05Northampton County, PAPA324,411129–

06York County, PAPA473,197108–

07Montgomery County, PAPA877,64398–

08Luzerne County, PAPA332,12686–

09Bucks County, PAPA647,82866–

10Cumberland County, PAPA277,27066–

11Lancaster County, PAPA563,15963–

12Lackawanna County, PAPA216,50254–

13Washington County, PAPA210,80252–

14Lehigh County, PAPA384,38349–

15Adams County, PAPA107,59443–

16Delaware County, PAPA580,93743–

17Beaver County, PAPA166,03237–

18Crawford County, PAPA81,79235–

19Fayette County, PAPA123,02132–

20Erie County, PAPA265,83229–

21Montour County, PAPA17,86829–

22Westmoreland County, PAPA349,32427–

23Cambria County, PAPA128,96823–

24Schuylkill County, PAPA145,08523–

25Mercer County, PAPA107,86019–

26Butler County, PAPA200,16915–

27Elk County, PAPA29,92615–

28Somerset County, PAPA72,00412–

29Berks County, PAPA440,07210–

30Carbon County, PAPA65,86810–

31Lebanon County, PAPA146,3808–

32Northumberland County, PAPA89,9208–

33Indiana County, PAPA82,8787–

34Pike County, PAPA62,8087–

35Venango County, PAPA49,3466–

36Wyoming County, PAPA25,7905–

37Clinton County, PAPA37,8703–

38Union County, PAPA42,3133–

39Forest County, PAPA6,6142–

40Greene County, PAPA33,8852–

41Huntingdon County, PAPA43,0012–

42Lycoming County, PAPA112,5872–

SHOWING 1–42 OF 42

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