RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest Czech population, Pennsylvania counties · 2010

Pennsylvania counties ranked by the number of residents who are Czech 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

RANKPLACESTATEPOPCZECH POPULATIONVS 2000

01Allegheny County, PAPA1,225,0358,967–

02Westmoreland County, PAPA349,3243,594–

03Montgomery County, PAPA877,6433,333–

04Philadelphia County, PAPA1,574,2812,209–

05Bucks County, PAPA647,8282,165–

06Chester County, PAPA557,1162,013–

07Washington County, PAPA210,8021,818–

08Erie County, PAPA265,8321,754–

09Lehigh County, PAPA384,3831,630–

10Northampton County, PAPA324,4111,619–

11Luzerne County, PAPA332,1261,604–

12York County, PAPA473,1971,467–

13Dauphin County, PAPA293,3511,436–

14Lancaster County, PAPA563,1591,436–

15Delaware County, PAPA580,9371,410–

16Butler County, PAPA200,1691,400–

17Beaver County, PAPA166,0321,395–

18Fayette County, PAPA123,0211,240–

19Cambria County, PAPA128,9681,233–

20Berks County, PAPA440,0721,191–

21Mercer County, PAPA107,8601,019–

22Centre County, PAPA157,393943–

23Cumberland County, PAPA277,270883–

24Indiana County, PAPA82,878830–

25Monroe County, PAPA167,179813–

26Lackawanna County, PAPA216,502770–

27Schuylkill County, PAPA145,085701–

28Armstrong County, PAPA63,698639–

29Crawford County, PAPA81,792618–

30Clearfield County, PAPA78,100516–

31Lebanon County, PAPA146,380492–

32Somerset County, PAPA72,004462–

33Carbon County, PAPA65,868453–

34Lawrence County, PAPA83,911438–

35Greene County, PAPA33,885381–

36Columbia County, PAPA66,193338–

37Pike County, PAPA62,808332–

38McKean County, PAPA38,984308–

39Warren County, PAPA37,038294–

40Lycoming County, PAPA112,587260–

41Franklin County, PAPA160,652255–

42Blair County, PAPA119,541252–

43Wayne County, PAPA51,703221–

44Adams County, PAPA107,594211–

45Venango County, PAPA49,346207–

46Bradford County, PAPA59,600203–

47Northumberland County, PAPA89,920203–

48Jefferson County, PAPA43,255161–

49Bedford County, PAPA47,480143–

50Clinton County, PAPA37,870131–

51Susquehanna County, PAPA38,237131–

52Tioga County, PAPA40,502131–

53Snyder County, PAPA39,655129–

54Clarion County, PAPA36,680125–

55Huntingdon County, PAPA43,001110–

56Perry County, PAPA46,806104–

57Union County, PAPA42,313100–

58Wyoming County, PAPA25,79099–

59Elk County, PAPA29,92677–

60Potter County, PAPA15,89752–

61Forest County, PAPA6,61451–

62Cameron County, PAPA4,21137–

63Fulton County, PAPA14,48326–

64Montour County, PAPA17,86822–

65Juniata County, PAPA23,40321–

66Sullivan County, PAPA5,85621–

67Mifflin County, PAPA46,12713–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

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