RANKING · 2020 CENSUS · 43 SHOWN OF 43

Largest Australian population, Pennsylvania counties · 2020

Pennsylvania 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 43 counties in Pennsylvania that qualify, ranked against each other statewide.

Australian Americans: full group profile →

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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 2010

01Allegheny County, PAPA1,225,035467+45%

02Philadelphia County, PAPA1,574,281325+34%

03Chester County, PAPA557,116297+120%

04Berks County, PAPA440,072177+153%

05Lancaster County, PAPA563,159155−12%

06Montgomery County, PAPA877,643144−57%

07Delaware County, PAPA580,937121−34%

08Dauphin County, PAPA293,351120+90%

09Northampton County, PAPA324,411101+23%

10York County, PAPA473,197101+1%

11Lackawanna County, PAPA216,50291−19%

12Lehigh County, PAPA384,38388−32%

13Cumberland County, PAPA277,27086+132%

14Erie County, PAPA265,83271+92%

15Butler County, PAPA200,16958–

16Columbia County, PAPA66,19352+174%

17Luzerne County, PAPA332,12647−13%

18Elk County, PAPA29,92646–

19Westmoreland County, PAPA349,32434−6%

20Fulton County, PAPA14,48334–

21Centre County, PAPA157,39328+133%

22Bucks County, PAPA647,82825−89%

23Beaver County, PAPA166,03224+380%

24Warren County, PAPA37,03823–

25Cambria County, PAPA128,96821+40%

26Fayette County, PAPA123,02116+78%

27Lebanon County, PAPA146,38014−67%

28Jefferson County, PAPA43,25513–

29Mercer County, PAPA107,86011+38%

30Northumberland County, PAPA89,92011−45%

31Schuylkill County, PAPA145,08511−21%

32Washington County, PAPA210,80211−80%

33Bradford County, PAPA59,60010–

34Crawford County, PAPA81,7928−67%

35Lawrence County, PAPA83,9117–

36Lycoming County, PAPA112,5876−65%

37Pike County, PAPA62,8086–

38Snyder County, PAPA39,6555–

39Clearfield County, PAPA78,1003−80%

40Venango County, PAPA49,3463−73%

41Wyoming County, PAPA25,7903−70%

42Clarion County, PAPA36,6802−75%

43Somerset County, PAPA72,0042–

SHOWING 1–43 OF 43

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