RANKING · 2020 CENSUS · 37 SHOWN OF 37

Highest Iranian population share, Pennsylvania counties · 2020

Pennsylvania counties ranked by the share of all residents who are Iranian ancestry (2023 American Community Survey). A concentration measure: Iranian residents as a percentage of total population. This list covers the 37 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

Highest Iranian population share by state

RANKPLACESTATEPOPIRANIAN SHAREVS 2000

01Centre County, PAPA157,3930.4%–

02Montgomery County, PAPA877,6430.1%–

03Lackawanna County, PAPA216,5020.1%–

04Chester County, PAPA557,1160.1%–

05Delaware County, PAPA580,9370.1%–

06Allegheny County, PAPA1,225,0350.1%–

07Bucks County, PAPA647,8280.1%–

08Union County, PAPA42,3130.1%–

09Cambria County, PAPA128,9680.1%–

10Philadelphia County, PAPA1,574,2810.1%–

11Fayette County, PAPA123,0210.1%–

12Wayne County, PAPA51,7030.1%–

13York County, PAPA473,1970.1%–

14Cumberland County, PAPA277,2700.1%–

15Northampton County, PAPA324,4110.0%–

16Columbia County, PAPA66,1930.0%–

17Greene County, PAPA33,8850.0%–

18Carbon County, PAPA65,8680.0%–

19Indiana County, PAPA82,8780.0%–

20Franklin County, PAPA160,6520.0%–

21Adams County, PAPA107,5940.0%–

22Lawrence County, PAPA83,9110.0%–

23Butler County, PAPA200,1690.0%–

24Lancaster County, PAPA563,1590.0%–

25Luzerne County, PAPA332,1260.0%–

26Clearfield County, PAPA78,1000.0%–

27Berks County, PAPA440,0720.0%–

28Lebanon County, PAPA146,3800.0%–

29Mercer County, PAPA107,8600.0%–

30Erie County, PAPA265,8320.0%–

31Lehigh County, PAPA384,3830.0%–

32Mifflin County, PAPA46,1270.0%–

33Schuylkill County, PAPA145,0850.0%–

34Potter County, PAPA15,8970.0%–

35Washington County, PAPA210,8020.0%–

36Westmoreland County, PAPA349,3240.0%–

37Lycoming County, PAPA112,5870.0%–

SHOWING 1–37 OF 37

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