RANKING · 2010 CENSUS · 67 SHOWN OF 67

Highest Czech population share, Pennsylvania counties · 2010

Pennsylvania counties ranked by the share of all residents who are Czech ancestry (2010 American Community Survey). A concentration measure: Czech 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 0.4%.

Czech 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

RANKPLACESTATEPOPCZECH SHAREVS –

01Westmoreland County, PAPA349,3241.0%–

02Greene County, PAPA33,8851.0%–

03Indiana County, PAPA82,8780.9%–

04Armstrong County, PAPA63,6980.9%–

05Fayette County, PAPA123,0210.9%–

06Washington County, PAPA210,8020.9%–

07Mercer County, PAPA107,8600.9%–

08Cambria County, PAPA128,9680.9%–

09Beaver County, PAPA166,0320.8%–

10Butler County, PAPA200,1690.8%–

11Allegheny County, PAPA1,225,0350.7%–

12Cameron County, PAPA4,2110.7%–

13McKean County, PAPA38,9840.7%–

14Warren County, PAPA37,0380.7%–

15Carbon County, PAPA65,8680.7%–

16Crawford County, PAPA81,7920.7%–

17Forest County, PAPA6,6140.7%–

18Clearfield County, PAPA78,1000.6%–

19Erie County, PAPA265,8320.6%–

20Centre County, PAPA157,3930.6%–

21Somerset County, PAPA72,0040.6%–

22Pike County, PAPA62,8080.6%–

23Northampton County, PAPA324,4110.5%–

24Dauphin County, PAPA293,3510.5%–

25Columbia County, PAPA66,1930.5%–

26Luzerne County, PAPA332,1260.5%–

27Monroe County, PAPA167,1790.5%–

28Lawrence County, PAPA83,9110.5%–

29Lehigh County, PAPA384,3830.5%–

30Schuylkill County, PAPA145,0850.5%–

31Wayne County, PAPA51,7030.4%–

32Montgomery County, PAPA877,6430.4%–

33Chester County, PAPA557,1160.4%–

34Cumberland County, PAPA277,2700.4%–

35Lebanon County, PAPA146,3800.4%–

36Venango County, PAPA49,3460.4%–

37Lackawanna County, PAPA216,5020.4%–

38Jefferson County, PAPA43,2550.4%–

39Wyoming County, PAPA25,7900.4%–

40Bucks County, PAPA647,8280.3%–

41York County, PAPA473,1970.3%–

42Clinton County, PAPA37,8700.3%–

43Snyder County, PAPA39,6550.3%–

44Bradford County, PAPA59,6000.3%–

45Sullivan County, PAPA5,8560.3%–

46Tioga County, PAPA40,5020.3%–

47Clarion County, PAPA36,6800.3%–

48Susquehanna County, PAPA38,2370.3%–

49Potter County, PAPA15,8970.3%–

50Berks County, PAPA440,0720.3%–

51Bedford County, PAPA47,4800.3%–

52Lancaster County, PAPA563,1590.3%–

53Delaware County, PAPA580,9370.3%–

54Huntingdon County, PAPA43,0010.2%–

55Elk County, PAPA29,9260.2%–

56Perry County, PAPA46,8060.2%–

57Lycoming County, PAPA112,5870.2%–

58Union County, PAPA42,3130.2%–

59Northumberland County, PAPA89,9200.2%–

60Adams County, PAPA107,5940.2%–

61Blair County, PAPA119,5410.2%–

62Fulton County, PAPA14,4830.2%–

63Franklin County, PAPA160,6520.2%–

64Philadelphia County, PAPA1,574,2810.1%–

65Montour County, PAPA17,8680.1%–

66Juniata County, PAPA23,4030.1%–

67Mifflin County, PAPA46,1270.0%–

SHOWING 1–67 OF 67

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