RANKING · 2024 ACS · 67 SHOWN OF 67

Largest Welsh population, Pennsylvania counties

Pennsylvania counties ranked by the number of residents who are Welsh ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

Welsh Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

01Allegheny County, PAPA1,225,03511,998−24%

02Luzerne County, PAPA332,1269,469−41%

03Montgomery County, PAPA877,6438,023−17%

04Lackawanna County, PAPA216,5027,526−44%

05Chester County, PAPA557,1166,118−28%

06Bucks County, PAPA647,8285,359−36%

07Lancaster County, PAPA563,1595,116−14%

08Philadelphia County, PAPA1,574,2814,991+15%

09Berks County, PAPA440,0724,312−29%

10York County, PAPA473,1974,141−20%

11Lehigh County, PAPA384,3833,766−45%

12Cumberland County, PAPA277,2703,714−12%

13Westmoreland County, PAPA349,3243,460−29%

14Delaware County, PAPA580,9373,352−47%

15Northampton County, PAPA324,4113,159−48%

16Dauphin County, PAPA293,3512,421−41%

17Washington County, PAPA210,8022,371−5%

18Schuylkill County, PAPA145,0852,363−48%

19Centre County, PAPA157,3931,859−16%

20Beaver County, PAPA166,0321,857−13%

21Butler County, PAPA200,1691,752−42%

22Erie County, PAPA265,8321,600−35%

23Monroe County, PAPA167,1791,405−41%

24Cambria County, PAPA128,9681,345−50%

25Mercer County, PAPA107,8601,333−32%

26Northumberland County, PAPA89,9201,192−31%

27Lebanon County, PAPA146,3801,179+10%

28Wyoming County, PAPA25,7901,159−34%

29Lycoming County, PAPA112,5871,130−30%

30Susquehanna County, PAPA38,2371,022−56%

31Columbia County, PAPA66,193967−48%

32Lawrence County, PAPA83,911964−53%

33Carbon County, PAPA65,868937−35%

34Bradford County, PAPA59,600908−41%

35Wayne County, PAPA51,703901−34%

36Blair County, PAPA119,541880−42%

37Clearfield County, PAPA78,100847−17%

38Adams County, PAPA107,594821−16%

39Franklin County, PAPA160,652795−40%

40Fayette County, PAPA123,021754−52%

41Tioga County, PAPA40,502744−29%

42Somerset County, PAPA72,004723−37%

43Crawford County, PAPA81,792599−55%

44Indiana County, PAPA82,878594−59%

45Venango County, PAPA49,346554−30%

46Bedford County, PAPA47,480495−27%

47Huntingdon County, PAPA43,001427−35%

48Pike County, PAPA62,808427−40%

49Armstrong County, PAPA63,698398−41%

50Union County, PAPA42,313362−49%

51Warren County, PAPA37,038335−28%

52Montour County, PAPA17,868317−40%

53Snyder County, PAPA39,655310−39%

54Clinton County, PAPA37,870296−21%

55Jefferson County, PAPA43,255262−56%

56Clarion County, PAPA36,680256−26%

57Mifflin County, PAPA46,127255−47%

58McKean County, PAPA38,984253−39%

59Greene County, PAPA33,885224−28%

60Perry County, PAPA46,806170−72%

61Potter County, PAPA15,897169−20%

62Fulton County, PAPA14,483108+27%

63Juniata County, PAPA23,40391−54%

64Elk County, PAPA29,92684−44%

65Cameron County, PAPA4,21134−53%

66Sullivan County, PAPA5,85628−69%

67Forest County, PAPA6,61410−69%

SHOWING 1–67 OF 67

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