RANKING · 2020 CENSUS · 67 SHOWN OF 67

Largest foreign-born population, Pennsylvania counties · 2020

Pennsylvania counties with the most residents born outside the United States, as of the 2020 American Community Survey. Ranked by number of people, not share. This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

PennsylvaniaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDMost residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people Most unmarried men

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORN POPULATIONVS 2010

01Philadelphia County, PAPA1,574,281229,061+31%

02Montgomery County, PAPA877,64394,836+28%

03Allegheny County, PAPA1,225,03575,714+33%

04Bucks County, PAPA647,82862,949+24%

05Delaware County, PAPA580,93761,242+29%

06Chester County, PAPA557,11650,817+23%

07Lehigh County, PAPA384,38344,706+42%

08Berks County, PAPA440,07232,328+21%

09Lancaster County, PAPA563,15928,845+28%

10Northampton County, PAPA324,41124,485+28%

11Luzerne County, PAPA332,12622,818+73%

12Dauphin County, PAPA293,35122,118+47%

13York County, PAPA473,19718,837+23%

14Cumberland County, PAPA277,27017,633+57%

15Monroe County, PAPA167,17916,948+7%

16Centre County, PAPA157,39312,644+25%

17Lackawanna County, PAPA216,50212,183+40%

18Erie County, PAPA265,83212,033+12%

19Franklin County, PAPA160,6525,981+18%

20Westmoreland County, PAPA349,3245,926+2%

21Lebanon County, PAPA146,3805,805+45%

22Butler County, PAPA200,1694,633+47%

23Pike County, PAPA62,8084,200+16%

24Washington County, PAPA210,8024,135+41%

25Adams County, PAPA107,5943,987−2%

26Beaver County, PAPA166,0323,431+8%

27Schuylkill County, PAPA145,0852,843+1%

28Lycoming County, PAPA112,5872,209+32%

29Clearfield County, PAPA78,1002,127+185%

30Carbon County, PAPA65,8682,042+19%

31Fayette County, PAPA123,0211,945+40%

32Wayne County, PAPA51,7031,820+2%

33Blair County, PAPA119,5411,635+30%

34Mercer County, PAPA107,8601,621−14%

35Indiana County, PAPA82,8781,520+16%

36Cambria County, PAPA128,9681,413−32%

37Columbia County, PAPA66,1931,378+8%

38Union County, PAPA42,3131,373−33%

39Lawrence County, PAPA83,9111,290−8%

40Northumberland County, PAPA89,9201,223+8%

41Bradford County, PAPA59,6001,169+51%

42Crawford County, PAPA81,792974−9%

43Susquehanna County, PAPA38,237763+15%

44Somerset County, PAPA72,004711+20%

45Montour County, PAPA17,868681−11%

46Huntingdon County, PAPA43,001665+33%

47McKean County, PAPA38,984584+40%

48Warren County, PAPA37,038563+10%

49Juniata County, PAPA23,403554+43%

50Tioga County, PAPA40,502531−3%

51Perry County, PAPA46,806483+11%

52Clinton County, PAPA37,870467−17%

53Snyder County, PAPA39,655467−19%

54Mifflin County, PAPA46,127444+78%

55Armstrong County, PAPA63,698404−28%

56Bedford County, PAPA47,480378+18%

57Venango County, PAPA49,346348−13%

58Wyoming County, PAPA25,790335−10%

59Clarion County, PAPA36,680309−14%

60Greene County, PAPA33,885273−13%

61Jefferson County, PAPA43,255266+23%

62Elk County, PAPA29,926238−31%

63Potter County, PAPA15,897151−8%

64Sullivan County, PAPA5,856138+151%

65Fulton County, PAPA14,483120+3%

66Forest County, PAPA6,614105+52%

67Cameron County, PAPA4,21121−52%

SHOWING 1–67 OF 67

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS