RANKING · 2010 CENSUS · 67 SHOWN OF 67

Highest Slovak population share, Pennsylvania counties · 2010

Pennsylvania counties ranked by the share of all residents who are Slovak ancestry (2010 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 1.0%.

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 SHAREVS –

01Cambria County, PAPA128,9687.5%–

02Fayette County, PAPA123,0216.8%–

03Westmoreland County, PAPA349,3246.7%–

04Carbon County, PAPA65,8686.7%–

05Luzerne County, PAPA332,1265.8%–

06Indiana County, PAPA82,8784.6%–

07Washington County, PAPA210,8024.4%–

08Armstrong County, PAPA63,6984.4%–

09Allegheny County, PAPA1,225,0354.2%–

10Mercer County, PAPA107,8604.1%–

11Schuylkill County, PAPA145,0853.5%–

12Beaver County, PAPA166,0323.4%–

13Clearfield County, PAPA78,1003.4%–

14Lackawanna County, PAPA216,5023.4%–

15Greene County, PAPA33,8853.2%–

16Butler County, PAPA200,1693.2%–

17Lehigh County, PAPA384,3832.7%–

18Somerset County, PAPA72,0042.5%–

19Wyoming County, PAPA25,7902.5%–

20Northampton County, PAPA324,4112.4%–

21Susquehanna County, PAPA38,2372.2%–

22Lawrence County, PAPA83,9112.1%–

23Erie County, PAPA265,8321.9%–

24Centre County, PAPA157,3931.9%–

25Forest County, PAPA6,6141.8%–

26Jefferson County, PAPA43,2551.6%–

27Wayne County, PAPA51,7031.6%–

28Montour County, PAPA17,8681.4%–

29Crawford County, PAPA81,7921.3%–

30Columbia County, PAPA66,1931.3%–

31Lebanon County, PAPA146,3801.2%–

32Northumberland County, PAPA89,9201.2%–

33Cameron County, PAPA4,2111.1%–

34Warren County, PAPA37,0381.0%–

35Berks County, PAPA440,0721.0%–

36Chester County, PAPA557,1160.9%–

37Blair County, PAPA119,5410.9%–

38Dauphin County, PAPA293,3510.9%–

39Clinton County, PAPA37,8700.8%–

40Cumberland County, PAPA277,2700.8%–

41Elk County, PAPA29,9260.8%–

42Montgomery County, PAPA877,6430.8%–

43Venango County, PAPA49,3460.8%–

44Monroe County, PAPA167,1790.8%–

45Bucks County, PAPA647,8280.7%–

46Sullivan County, PAPA5,8560.7%–

47Potter County, PAPA15,8970.7%–

48Bedford County, PAPA47,4800.7%–

49McKean County, PAPA38,9840.6%–

50Huntingdon County, PAPA43,0010.6%–

51Pike County, PAPA62,8080.6%–

52Juniata County, PAPA23,4030.5%–

53Perry County, PAPA46,8060.5%–

54Adams County, PAPA107,5940.4%–

55Delaware County, PAPA580,9370.4%–

56Lancaster County, PAPA563,1590.4%–

57York County, PAPA473,1970.4%–

58Clarion County, PAPA36,6800.4%–

59Lycoming County, PAPA112,5870.4%–

60Bradford County, PAPA59,6000.4%–

61Franklin County, PAPA160,6520.3%–

62Snyder County, PAPA39,6550.3%–

63Union County, PAPA42,3130.3%–

64Tioga County, PAPA40,5020.3%–

65Mifflin County, PAPA46,1270.2%–

66Philadelphia County, PAPA1,574,2810.2%–

67Fulton County, PAPA14,4830.1%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS