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%+32%

02Lehigh County, PAPA384,38314.4%+60%

03Montgomery County, PAPA877,64311.5%+24%

04Monroe County, PAPA167,17911.2%+21%

05Delaware County, PAPA580,93711.2%+32%

06Bucks County, PAPA647,82810.4%+28%

07Chester County, PAPA557,11610.1%+21%

08Dauphin County, PAPA293,3519.8%+74%

09Berks County, PAPA440,0729.7%+51%

10Luzerne County, PAPA332,1269.6%+134%

11Northampton County, PAPA324,4118.6%+34%

12Pike County, PAPA62,8088.2%+31%

13Centre County, PAPA157,3938.0%+21%

14Cumberland County, PAPA277,2707.5%+58%

15Lackawanna County, PAPA216,5026.7%+67%

16Allegheny County, PAPA1,225,0356.6%+42%

17Lancaster County, PAPA563,1595.8%+34%

18Montour County, PAPA17,8685.6%+34%

19Erie County, PAPA265,8324.9%+27%

20Lebanon County, PAPA146,3804.3%+45%

21Wayne County, PAPA51,7034.3%+28%

22York County, PAPA473,1974.1%+18%

23Union County, PAPA42,3133.9%−15%

24Carbon County, PAPA65,8683.7%+43%

25Franklin County, PAPA160,6523.7%+10%

26Adams County, PAPA107,5943.7%−7%

27Columbia County, PAPA66,1932.8%+46%

28Schuylkill County, PAPA145,0852.7%+45%

29Juniata County, PAPA23,4032.5%+56%

30Washington County, PAPA210,8022.4%+72%

31Indiana County, PAPA82,8782.4%+64%

32Butler County, PAPA200,1692.4%+41%

33Susquehanna County, PAPA38,2372.0%+28%

34Clearfield County, PAPA78,1002.0%+115%

35Forest County, PAPA6,6141.9%+116%

36Westmoreland County, PAPA349,3241.9%+21%

37Beaver County, PAPA166,0321.9%−0%

38Sullivan County, PAPA5,8561.8%+110%

39Mercer County, PAPA107,8601.8%+10%

40Perry County, PAPA46,8061.7%+78%

41Bradford County, PAPA59,6001.7%+36%

42Snyder County, PAPA39,6551.7%+16%

43Wyoming County, PAPA25,7901.7%+26%

44Lycoming County, PAPA112,5871.6%+11%

45Northumberland County, PAPA89,9201.6%+33%

46Blair County, PAPA119,5411.5%+53%

47McKean County, PAPA38,9841.5%+57%

48Clinton County, PAPA37,8701.4%+0%

49Potter County, PAPA15,8971.4%+49%

50Somerset County, PAPA72,0041.4%+79%

51Tioga County, PAPA40,5021.4%+4%

52Lawrence County, PAPA83,9111.3%−14%

53Fayette County, PAPA123,0211.3%+26%

54Bedford County, PAPA47,4801.2%+90%

55Mifflin County, PAPA46,1271.2%+128%

56Crawford County, PAPA81,7921.2%−1%

57Warren County, PAPA37,0381.2%−6%

58Cambria County, PAPA128,9681.1%−22%

59Elk County, PAPA29,9261.1%−1%

60Clarion County, PAPA36,6801.0%+12%

61Huntingdon County, PAPA43,0010.9%−16%

62Cameron County, PAPA4,2110.9%−1%

63Venango County, PAPA49,3460.8%+16%

64Armstrong County, PAPA63,6980.7%−9%

65Greene County, PAPA33,8850.7%−17%

66Fulton County, PAPA14,4830.5%−37%

67Jefferson County, PAPA43,2550.4%−10%

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES