RANKING · 2020 CENSUS · 37 SHOWN OF 37

Largest Iranian population, Pennsylvania counties · 2020

Pennsylvania counties ranked by the number of residents who are Iranian 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 37 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 37 is 32.

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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

RANKPLACESTATEPOPIRANIAN POPULATIONVS 2010

01Montgomery County, PAPA877,6431,075+2%

02Philadelphia County, PAPA1,574,281999+50%

03Allegheny County, PAPA1,225,035922+91%

04Centre County, PAPA157,393653+696%

05Chester County, PAPA557,116644+73%

06Delaware County, PAPA580,937564−20%

07Bucks County, PAPA647,828449+28%

08Lackawanna County, PAPA216,502266+224%

09York County, PAPA473,197250+150%

10Northampton County, PAPA324,411152+20%

11Cumberland County, PAPA277,270140+460%

12Lancaster County, PAPA563,15992+283%

13Cambria County, PAPA128,96890+53%

14Fayette County, PAPA123,02178+2500%

15Berks County, PAPA440,07250+43%

16Franklin County, PAPA160,65242–

17Luzerne County, PAPA332,12641+116%

18Union County, PAPA42,31332–

19Butler County, PAPA200,16932−74%

20Lehigh County, PAPA384,38332−72%

21Wayne County, PAPA51,70330+150%

22Columbia County, PAPA66,19329+81%

23Erie County, PAPA265,83227−75%

24Indiana County, PAPA82,87824–

25Adams County, PAPA107,59423–

26Carbon County, PAPA65,86819–

27Lawrence County, PAPA83,91115–

28Lebanon County, PAPA146,38015+88%

29Greene County, PAPA33,88514–

30Mercer County, PAPA107,86011+83%

31Schuylkill County, PAPA145,08511–

32Washington County, PAPA210,80211–

33Clearfield County, PAPA78,10010−9%

34Mifflin County, PAPA46,1274−50%

35Westmoreland County, PAPA349,3244−85%

36Potter County, PAPA15,8971–

37Lycoming County, PAPA112,5871–

SHOWING 1–37 OF 37

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