RANKING · 2024 ACS · 67 SHOWN OF 67

Most foreign-born residents, Pennsylvania counties

Pennsylvania counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

PennsylvaniaAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Philadelphia County, PAPA1,574,28115.2%+3.7 pts

02Lehigh County, PAPA384,38314.4%+5.4 pts

03Montgomery County, PAPA877,64311.5%+2.2 pts

04Monroe County, PAPA167,17911.2%+1.9 pts

05Delaware County, PAPA580,93711.2%+2.7 pts

06Bucks County, PAPA647,82810.4%+2.3 pts

07Chester County, PAPA557,11610.1%+1.8 pts

08Dauphin County, PAPA293,3519.8%+4.2 pts

09Berks County, PAPA440,0729.7%+3.3 pts

10Luzerne County, PAPA332,1269.6%+5.5 pts

11Northampton County, PAPA324,4118.6%+2.2 pts

12Pike County, PAPA62,8088.2%+1.9 pts

13Centre County, PAPA157,3938.0%+1.4 pts

14Cumberland County, PAPA277,2707.5%+2.7 pts

15Lackawanna County, PAPA216,5026.7%+2.7 pts

16Allegheny County, PAPA1,225,0356.6%+1.9 pts

17Lancaster County, PAPA563,1595.8%+1.5 pts

18Montour County, PAPA17,8685.6%+1.4 pts

19Erie County, PAPA265,8324.9%+1.0 pts

20Lebanon County, PAPA146,3804.3%+1.3 pts

21Wayne County, PAPA51,7034.3%+0.9 pts

22York County, PAPA473,1974.1%+0.6 pts

23Union County, PAPA42,3133.9%−0.7 pts

24Carbon County, PAPA65,8683.7%+1.1 pts

25Franklin County, PAPA160,6523.7%+0.3 pts

26Adams County, PAPA107,5943.7%−0.3 pts

27Columbia County, PAPA66,1932.8%+0.9 pts

28Schuylkill County, PAPA145,0852.7%+0.9 pts

29Juniata County, PAPA23,4032.5%+0.9 pts

30Washington County, PAPA210,8022.4%+1.0 pts

31Indiana County, PAPA82,8782.4%+1.0 pts

32Butler County, PAPA200,1692.4%+0.7 pts

33Susquehanna County, PAPA38,2372.0%+0.4 pts

34Clearfield County, PAPA78,1002.0%+1.1 pts

35Forest County, PAPA6,6141.9%+1.0 pts

36Westmoreland County, PAPA349,3241.9%+0.3 pts

37Beaver County, PAPA166,0321.9%−0.0 pts

38Sullivan County, PAPA5,8561.8%+0.9 pts

39Mercer County, PAPA107,8601.8%+0.2 pts

40Perry County, PAPA46,8061.7%+0.7 pts

41Bradford County, PAPA59,6001.7%+0.4 pts

42Snyder County, PAPA39,6551.7%+0.2 pts

43Wyoming County, PAPA25,7901.7%+0.3 pts

44Lycoming County, PAPA112,5871.6%+0.2 pts

45Northumberland County, PAPA89,9201.6%+0.4 pts

46Blair County, PAPA119,5411.5%+0.5 pts

47McKean County, PAPA38,9841.5%+0.5 pts

48Clinton County, PAPA37,8701.4%+0.0 pts

49Potter County, PAPA15,8971.4%+0.5 pts

50Somerset County, PAPA72,0041.4%+0.6 pts

51Tioga County, PAPA40,5021.4%+0.0 pts

52Lawrence County, PAPA83,9111.3%−0.2 pts

53Fayette County, PAPA123,0211.3%+0.3 pts

54Bedford County, PAPA47,4801.2%+0.6 pts

55Mifflin County, PAPA46,1271.2%+0.7 pts

56Crawford County, PAPA81,7921.2%−0.0 pts

57Warren County, PAPA37,0381.2%−0.1 pts

58Cambria County, PAPA128,9681.1%−0.3 pts

59Elk County, PAPA29,9261.1%−0.0 pts

60Clarion County, PAPA36,6801.0%+0.1 pts

61Huntingdon County, PAPA43,0010.9%−0.2 pts

62Cameron County, PAPA4,2110.9%−0.0 pts

63Venango County, PAPA49,3460.8%+0.1 pts

64Armstrong County, PAPA63,6980.7%−0.1 pts

65Greene County, PAPA33,8850.7%−0.1 pts

66Fulton County, PAPA14,4830.5%−0.3 pts

67Jefferson County, PAPA43,2550.4%−0.0 pts

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES