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. The median across all 67 is 908. Biggest climber in the top 100 since 2020: Lebanon County, PA, up 11 places to #27.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH POPULATIONVS 2010

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

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

03▲2Montgomery County, PAPA877,6438,023−17%

04▼1Lackawanna County, PAPA216,5027,526−44%

05▼1Chester County, PAPA557,1166,118−28%

06Bucks County, PAPA647,8285,359−36%

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

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

09▲1Berks County, PAPA440,0724,312−29%

10▲3York County, PAPA473,1974,141−20%

11Lehigh County, PAPA384,3833,766−45%

12▲2Cumberland County, PAPA277,2703,714−12%

13▲3Westmoreland County, PAPA349,3243,460−29%

14▼5Delaware County, PAPA580,9373,352−47%

15▼3Northampton County, PAPA324,4113,159−48%

16▲2Dauphin County, PAPA293,3512,421−41%

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

18▼3Schuylkill County, PAPA145,0852,363−48%

19▲6Centre County, PAPA157,3931,859−16%

20▼1Beaver County, PAPA166,0321,857−13%

21▲3Butler County, PAPA200,1691,752−42%

22Erie County, PAPA265,8321,600−35%

23▼2Monroe County, PAPA167,1791,405−41%

24▼1Cambria County, PAPA128,9681,345−50%

25▼5Mercer County, PAPA107,8601,333−32%

26▲5Northumberland County, PAPA89,9201,192−31%

27▲11Lebanon County, PAPA146,3801,179+10%

28▲1Wyoming County, PAPA25,7901,159−34%

29▲4Lycoming County, PAPA112,5871,130−30%

30▼3Susquehanna County, PAPA38,2371,022−56%

31▼1Columbia County, PAPA66,193967−48%

32▼4Lawrence County, PAPA83,911964−53%

33▲1Carbon County, PAPA65,868937−35%

34▲3Bradford County, PAPA59,600908−41%

35▲5Wayne County, PAPA51,703901−34%

36Blair County, PAPA119,541880−42%

37▲4Clearfield County, PAPA78,100847−17%

38▲6Adams County, PAPA107,594821−16%

39▼13Franklin County, PAPA160,652795−40%

40▲3Fayette County, PAPA123,021754−52%

41▼2Tioga County, PAPA40,502744−29%

42▼7Somerset County, PAPA72,004723−37%

43▼1Crawford County, PAPA81,792599−55%

44▼12Indiana County, PAPA82,878594−59%

45▲1Venango County, PAPA49,346554−30%

46▲3Bedford County, PAPA47,480495−27%

47▲9Huntingdon County, PAPA43,001427−35%

48▲4Pike County, PAPA62,808427−40%

49▲1Armstrong County, PAPA63,698398−41%

50▼5Union County, PAPA42,313362−49%

51▼3Warren County, PAPA37,038335−28%

52▼5Montour County, PAPA17,868317−40%

53▲2Snyder County, PAPA39,655310−39%

54▲4Clinton County, PAPA37,870296−21%

55▼2Jefferson County, PAPA43,255262−56%

56▲4Clarion County, PAPA36,680256−26%

57▼6Mifflin County, PAPA46,127255−47%

58▼1McKean County, PAPA38,984253−39%

59Greene County, PAPA33,885224−28%

60▼6Perry County, PAPA46,806170−72%

61Potter County, PAPA15,897169−20%

62▲3Fulton County, PAPA14,483108+27%

63▼1Juniata County, PAPA23,40391−54%

64Elk County, PAPA29,92684−44%

65▲2Cameron County, PAPA4,21134−53%

66▼3Sullivan County, PAPA5,85628−69%

67▼1Forest County, PAPA6,61410−69%

SHOWING 1–67 OF 67

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES