RANKING · 2020 CENSUS · 67 SHOWN OF 67

Largest Welsh population, Pennsylvania counties · 2020

Pennsylvania counties ranked by the number of residents who are Welsh ancestry, from the 2020 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, PAPA1,225,03513,434−14%

02Luzerne County, PAPA332,12612,266−23%

03Lackawanna County, PAPA216,5029,879−27%

04Chester County, PAPA557,1168,147−5%

05Montgomery County, PAPA877,6438,011−17%

06Bucks County, PAPA647,8286,191−27%

07Lancaster County, PAPA563,1595,882−2%

08Philadelphia County, PAPA1,574,2815,373+24%

09Delaware County, PAPA580,9375,275−16%

10Berks County, PAPA440,0725,267−13%

11Lehigh County, PAPA384,3834,810−30%

12Northampton County, PAPA324,4114,808−20%

13York County, PAPA473,1974,407−15%

14Cumberland County, PAPA277,2703,751−11%

15Schuylkill County, PAPA145,0853,489−23%

16Westmoreland County, PAPA349,3243,466−29%

17Washington County, PAPA210,8022,776+12%

18Dauphin County, PAPA293,3512,557−38%

19Beaver County, PAPA166,0322,457+15%

20Mercer County, PAPA107,8602,195+12%

21Monroe County, PAPA167,1792,002−16%

22Erie County, PAPA265,8321,975−20%

23Cambria County, PAPA128,9681,869−31%

24Butler County, PAPA200,1691,868−38%

25Centre County, PAPA157,3931,796−19%

26Franklin County, PAPA160,6521,742+32%

27Susquehanna County, PAPA38,2371,603−31%

28Lawrence County, PAPA83,9111,518−26%

29Wyoming County, PAPA25,7901,413−20%

30Columbia County, PAPA66,1931,333−29%

31Northumberland County, PAPA89,9201,197−31%

32Indiana County, PAPA82,8781,192−18%

33Lycoming County, PAPA112,5871,190−27%

34Carbon County, PAPA65,8681,177−19%

35Somerset County, PAPA72,0041,154+0%

36Blair County, PAPA119,5411,142−24%

37Bradford County, PAPA59,6001,058−32%

38Lebanon County, PAPA146,3801,058−1%

39Tioga County, PAPA40,5021,044−1%

40Wayne County, PAPA51,7031,028−25%

41Clearfield County, PAPA78,100960−6%

42Crawford County, PAPA81,792923−31%

43Fayette County, PAPA123,021880−44%

44Adams County, PAPA107,594740−24%

45Union County, PAPA42,313655−8%

46Venango County, PAPA49,346631−20%

47Montour County, PAPA17,868550+4%

48Warren County, PAPA37,038538+16%

49Bedford County, PAPA47,480491−28%

50Armstrong County, PAPA63,698484−28%

51Mifflin County, PAPA46,127468−2%

52Jefferson County, PAPA43,255437−26%

53Pike County, PAPA62,808437−39%

54Perry County, PAPA46,806422−30%

55Snyder County, PAPA39,655397−22%

56Huntingdon County, PAPA43,001390−41%

57McKean County, PAPA38,984373−11%

58Clinton County, PAPA37,870340−9%

59Greene County, PAPA33,885334+7%

60Clarion County, PAPA36,680280−19%

61Potter County, PAPA15,897197−6%

62Juniata County, PAPA23,403161−18%

63Sullivan County, PAPA5,856109+21%

64Elk County, PAPA29,926102−32%

65Fulton County, PAPA14,48399+16%

66Forest County, PAPA6,61461+91%

67Cameron County, PAPA4,21130−59%

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

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