RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest Welsh population, Pennsylvania counties · 2010

Pennsylvania counties ranked by the number of residents who are Welsh ancestry, from the 2023 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.

PennsylvaniaAll states All rankings

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 2000

01Luzerne County, PAPA332,12615,996–

02Allegheny County, PAPA1,225,03515,698–

03Lackawanna County, PAPA216,50213,476–

04Montgomery County, PAPA877,6439,701–

05Chester County, PAPA557,1168,539–

06Bucks County, PAPA647,8288,429–

07Lehigh County, PAPA384,3836,897–

08Delaware County, PAPA580,9376,317–

09Berks County, PAPA440,0726,071–

10Northampton County, PAPA324,4116,030–

11Lancaster County, PAPA563,1595,976–

12York County, PAPA473,1975,157–

13Westmoreland County, PAPA349,3244,853–

14Schuylkill County, PAPA145,0854,540–

15Philadelphia County, PAPA1,574,2814,345–

16Cumberland County, PAPA277,2704,197–

17Dauphin County, PAPA293,3514,136–

18Butler County, PAPA200,1693,026–

19Cambria County, PAPA128,9682,700–

20Washington County, PAPA210,8022,485–

21Erie County, PAPA265,8322,455–

22Monroe County, PAPA167,1792,386–

23Susquehanna County, PAPA38,2372,333–

24Centre County, PAPA157,3932,210–

25Beaver County, PAPA166,0322,140–

26Lawrence County, PAPA83,9112,056–

27Mercer County, PAPA107,8601,958–

28Columbia County, PAPA66,1931,868–

29Wyoming County, PAPA25,7901,758–

30Northumberland County, PAPA89,9201,738–

31Lycoming County, PAPA112,5871,624–

32Fayette County, PAPA123,0211,565–

33Bradford County, PAPA59,6001,552–

34Blair County, PAPA119,5411,508–

35Indiana County, PAPA82,8781,457–

36Carbon County, PAPA65,8681,447–

37Wayne County, PAPA51,7031,375–

38Crawford County, PAPA81,7921,334–

39Franklin County, PAPA160,6521,318–

40Somerset County, PAPA72,0041,154–

41Lebanon County, PAPA146,3801,069–

42Tioga County, PAPA40,5021,054–

43Clearfield County, PAPA78,1001,022–

44Adams County, PAPA107,594973–

45Venango County, PAPA49,346792–

46Pike County, PAPA62,808711–

47Union County, PAPA42,313709–

48Bedford County, PAPA47,480682–

49Armstrong County, PAPA63,698671–

50Huntingdon County, PAPA43,001657–

51Perry County, PAPA46,806604–

52Jefferson County, PAPA43,255594–

53Montour County, PAPA17,868528–

54Snyder County, PAPA39,655508–

55Mifflin County, PAPA46,127477–

56Warren County, PAPA37,038464–

57McKean County, PAPA38,984417–

58Clinton County, PAPA37,870375–

59Clarion County, PAPA36,680346–

60Greene County, PAPA33,885311–

61Potter County, PAPA15,897210–

62Juniata County, PAPA23,403197–

63Elk County, PAPA29,926151–

64Sullivan County, PAPA5,85690–

65Fulton County, PAPA14,48385–

66Cameron County, PAPA4,21173–

67Forest County, PAPA6,61432–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES