RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest foreign-born population, Pennsylvania counties · 2010

Pennsylvania counties with the most residents born outside the United States, as of the 2010 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 –

01Philadelphia County, PAPA1,574,281174,827–

02Montgomery County, PAPA877,64374,039–

03Allegheny County, PAPA1,225,03556,883–

04Bucks County, PAPA647,82850,847–

05Delaware County, PAPA580,93747,572–

06Chester County, PAPA557,11641,482–

07Lehigh County, PAPA384,38331,502–

08Berks County, PAPA440,07226,614–

09Lancaster County, PAPA563,15922,599–

10Northampton County, PAPA324,41119,201–

11Monroe County, PAPA167,17915,775–

12York County, PAPA473,19715,293–

13Dauphin County, PAPA293,35115,096–

14Luzerne County, PAPA332,12613,217–

15Cumberland County, PAPA277,27011,223–

16Erie County, PAPA265,83210,748–

17Centre County, PAPA157,39310,103–

18Lackawanna County, PAPA216,5028,675–

19Westmoreland County, PAPA349,3245,794–

20Franklin County, PAPA160,6525,066–

21Adams County, PAPA107,5944,050–

22Lebanon County, PAPA146,3804,013–

23Pike County, PAPA62,8083,618–

24Beaver County, PAPA166,0323,166–

25Butler County, PAPA200,1693,150–

26Washington County, PAPA210,8022,936–

27Schuylkill County, PAPA145,0852,806–

28Cambria County, PAPA128,9682,084–

29Union County, PAPA42,3132,036–

30Mercer County, PAPA107,8601,884–

31Wayne County, PAPA51,7031,780–

32Carbon County, PAPA65,8681,712–

33Lycoming County, PAPA112,5871,670–

34Lawrence County, PAPA83,9111,401–

35Fayette County, PAPA123,0211,391–

36Indiana County, PAPA82,8781,313–

37Columbia County, PAPA66,1931,279–

38Blair County, PAPA119,5411,262–

39Northumberland County, PAPA89,9201,132–

40Crawford County, PAPA81,7921,072–

41Bradford County, PAPA59,600772–

42Montour County, PAPA17,868762–

43Clearfield County, PAPA78,100746–

44Susquehanna County, PAPA38,237665–

45Somerset County, PAPA72,004591–

46Snyder County, PAPA39,655575–

47Armstrong County, PAPA63,698563–

48Clinton County, PAPA37,870561–

49Tioga County, PAPA40,502550–

50Warren County, PAPA37,038511–

51Huntingdon County, PAPA43,001499–

52Perry County, PAPA46,806436–

53McKean County, PAPA38,984417–

54Venango County, PAPA49,346398–

55Juniata County, PAPA23,403388–

56Wyoming County, PAPA25,790374–

57Clarion County, PAPA36,680359–

58Elk County, PAPA29,926344–

59Bedford County, PAPA47,480320–

60Greene County, PAPA33,885315–

61Mifflin County, PAPA46,127249–

62Jefferson County, PAPA43,255217–

63Potter County, PAPA15,897165–

64Fulton County, PAPA14,483116–

65Forest County, PAPA6,61469–

66Sullivan County, PAPA5,85655–

67Cameron County, PAPA4,21144–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

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