RANKING · 2024 ACS · 37 SHOWN OF 37

Highest Iranian population share, Pennsylvania counties

Pennsylvania counties ranked by the share of all residents who are Iranian ancestry (2024 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. The median across all 37 is 0.0%. Biggest climber in the top 100 since 2020: Washington County, PA, up 26 places to #9.

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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 2010

01Centre County, PAPA157,3930.2%+0.1 pts

02▲3Delaware County, PAPA580,9370.2%0.0 pts

03▲1Chester County, PAPA557,1160.1%+0.1 pts

04▼2Montgomery County, PAPA877,6430.1%0.0 pts

05▲1Allegheny County, PAPA1,225,0350.1%0.0 pts

06▲10Columbia County, PAPA66,1930.1%0.0 pts

07Bucks County, PAPA647,8280.1%0.0 pts

08▲2Philadelphia County, PAPA1,574,2810.1%0.0 pts

09▲26Washington County, PAPA210,8020.1%–

10▲5Northampton County, PAPA324,4110.0%0.0 pts

11▼8Lackawanna County, PAPA216,5020.0%0.0 pts

12▲19Lehigh County, PAPA384,3830.0%0.0 pts

13▲11Lancaster County, PAPA563,1590.0%0.0 pts

14▼5Cambria County, PAPA128,9680.0%0.0 pts

15▲6Adams County, PAPA107,5940.0%–

16▼2Cumberland County, PAPA277,2700.0%0.0 pts

17▼4York County, PAPA473,1970.0%0.0 pts

18Tioga County, PAPA40,5020.0%–

19Dauphin County, PAPA293,3510.0%0.0 pts

20Venango County, PAPA49,3460.0%–

21▲9Erie County, PAPA265,8320.0%0.0 pts

22Wyoming County, PAPA25,7900.0%–

23Warren County, PAPA37,0380.0%0.0 pts

24▲4Lebanon County, PAPA146,3800.0%0.0 pts

25▲11Westmoreland County, PAPA349,3240.0%0.0 pts

26▲11Lycoming County, PAPA112,5870.0%–

27Susquehanna County, PAPA38,2370.0%0.0 pts

28▼3Luzerne County, PAPA332,1260.0%0.0 pts

29Monroe County, PAPA167,1790.0%−0.1 pts

30▼10Franklin County, PAPA160,6520.0%–

31Pike County, PAPA62,8080.0%0.0 pts

32McKean County, PAPA38,9840.0%–

33▼4Mercer County, PAPA107,8600.0%0.0 pts

34▼7Berks County, PAPA440,0720.0%0.0 pts

35▼12Butler County, PAPA200,1690.0%−0.1 pts

36▼25Fayette County, PAPA123,0210.0%0.0 pts

37Crawford County, PAPA81,7920.0%–

SHOWING 1–37 OF 37

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES