RANKING · 2024 ACS · 67 SHOWN OF 67

Largest Slovak population, Pennsylvania counties

Pennsylvania counties ranked by the number of residents who are Slovak 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.

Slovak 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

RANKPLACESTATEPOPSLOVAK POPULATIONVS 2010

01Allegheny County, PAPA1,225,03533,901−33%

02Westmoreland County, PAPA349,32414,698−40%

03Luzerne County, PAPA332,12610,629−43%

04Cambria County, PAPA128,9686,274−42%

05Lehigh County, PAPA384,3836,144−35%

06Washington County, PAPA210,8025,610−39%

07Fayette County, PAPA123,0215,219−45%

08Northampton County, PAPA324,4115,200−26%

09Butler County, PAPA200,1695,008−13%

10Montgomery County, PAPA877,6434,264−31%

11Lackawanna County, PAPA216,5023,669−49%

12Beaver County, PAPA166,0323,555−39%

13Bucks County, PAPA647,8283,189−30%

14Chester County, PAPA557,1163,075−32%

15Schuylkill County, PAPA145,0852,724−48%

16Mercer County, PAPA107,8602,659−44%

17Erie County, PAPA265,8322,604−52%

18Philadelphia County, PAPA1,574,2812,588+4%

19Indiana County, PAPA82,8782,360−42%

20Berks County, PAPA440,0722,257−46%

21Carbon County, PAPA65,8682,114−51%

22Lancaster County, PAPA563,1592,012−2%

23Armstrong County, PAPA63,6981,835−40%

24Centre County, PAPA157,3931,657−41%

25Delaware County, PAPA580,9371,538−32%

26Cumberland County, PAPA277,2701,497−21%

27Clearfield County, PAPA78,1001,464−48%

28Dauphin County, PAPA293,3511,415−38%

29York County, PAPA473,1971,411−16%

30Somerset County, PAPA72,0041,165−41%

31Lawrence County, PAPA83,9111,050−44%

32Monroe County, PAPA167,179986−23%

33Blair County, PAPA119,541883−19%

34Northumberland County, PAPA89,920880−23%

35Greene County, PAPA33,885778−38%

36Crawford County, PAPA81,792667−42%

37Lebanon County, PAPA146,380650−60%

38Jefferson County, PAPA43,255572−19%

39Wayne County, PAPA51,703489−40%

40Columbia County, PAPA66,193466−44%

41Susquehanna County, PAPA38,237426−56%

42Franklin County, PAPA160,652403−21%

43Lycoming County, PAPA112,587381−12%

44Adams County, PAPA107,594365−15%

45Bradford County, PAPA59,600322+39%

46Wyoming County, PAPA25,790288−59%

47Venango County, PAPA49,346237−44%

48McKean County, PAPA38,984236−11%

49Perry County, PAPA46,806190−23%

50Bedford County, PAPA47,480183−46%

51Warren County, PAPA37,038169−62%

52Clinton County, PAPA37,870166−50%

53Clarion County, PAPA36,680152−1%

54Union County, PAPA42,313151+25%

55Elk County, PAPA29,926144−44%

56Pike County, PAPA62,808125−63%

57Huntingdon County, PAPA43,001118−57%

58Montour County, PAPA17,868111−55%

59Tioga County, PAPA40,50252−50%

60Forest County, PAPA6,61451−62%

61Snyder County, PAPA39,65546−64%

62Mifflin County, PAPA46,12742−62%

63Potter County, PAPA15,89735−71%

64Juniata County, PAPA23,40332−76%

65Sullivan County, PAPA5,85618−62%

66Fulton County, PAPA14,48316+0%

67Cameron County, PAPA4,2117−88%

SHOWING 1–67 OF 67

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