RANKING · 2024 ACS · 67 SHOWN OF 67

Largest Czech population, Pennsylvania counties

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

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 POPULATIONVS 2010

01Allegheny County, PAPA1,225,0356,327−29%

02Westmoreland County, PAPA349,3242,585−28%

03Philadelphia County, PAPA1,574,2812,344+6%

04Montgomery County, PAPA877,6432,222−33%

05Chester County, PAPA557,1161,902−6%

06Bucks County, PAPA647,8281,751−19%

07Erie County, PAPA265,8321,395−20%

08Butler County, PAPA200,1691,356−3%

09Washington County, PAPA210,8021,174−35%

10Delaware County, PAPA580,9371,096−22%

11Lancaster County, PAPA563,1591,084−25%

12Lehigh County, PAPA384,3831,071−34%

13Fayette County, PAPA123,0211,029−17%

14Beaver County, PAPA166,0321,025−27%

15Luzerne County, PAPA332,1261,000−38%

16York County, PAPA473,197933−36%

17Cambria County, PAPA128,968889−28%

18Northampton County, PAPA324,411744−54%

19Berks County, PAPA440,072664−44%

20Lackawanna County, PAPA216,502650−16%

21Cumberland County, PAPA277,270599−32%

22Monroe County, PAPA167,179557−31%

23Centre County, PAPA157,393529−44%

24Dauphin County, PAPA293,351463−68%

25Mercer County, PAPA107,860451−56%

26Lebanon County, PAPA146,380406−17%

27Greene County, PAPA33,885395+4%

28Blair County, PAPA119,541359+42%

29Somerset County, PAPA72,004334−28%

30Schuylkill County, PAPA145,085330−53%

31Pike County, PAPA62,808304−8%

32Crawford County, PAPA81,792285−54%

33Indiana County, PAPA82,878284−66%

34Adams County, PAPA107,594278+32%

35Clearfield County, PAPA78,100272−47%

36Lawrence County, PAPA83,911239−45%

37Carbon County, PAPA65,868238−47%

38Franklin County, PAPA160,652228−11%

39Armstrong County, PAPA63,698189−70%

40Wayne County, PAPA51,703172−22%

41Northumberland County, PAPA89,920167−18%

42Wyoming County, PAPA25,790119+20%

43Columbia County, PAPA66,193117−65%

44Lycoming County, PAPA112,587115−56%

45McKean County, PAPA38,984114−63%

46Huntingdon County, PAPA43,00194−15%

47Bradford County, PAPA59,60090−56%

48Perry County, PAPA46,80676−27%

49Susquehanna County, PAPA38,23770−47%

50Tioga County, PAPA40,50270−47%

51Snyder County, PAPA39,65564−50%

52Venango County, PAPA49,34664−69%

53Warren County, PAPA37,03864−78%

54Jefferson County, PAPA43,25561−62%

55Clarion County, PAPA36,68051−59%

56Elk County, PAPA29,92651−34%

57Montour County, PAPA17,86848+118%

58Union County, PAPA42,31347−53%

59Potter County, PAPA15,89744−15%

60Forest County, PAPA6,61439−24%

61Bedford County, PAPA47,48034−76%

62Sullivan County, PAPA5,85634+62%

63Mifflin County, PAPA46,12717+31%

64Clinton County, PAPA37,8709−93%

65Fulton County, PAPA14,4839−65%

66Cameron County, PAPA4,2114−89%

67Juniata County, PAPA23,4034−81%

SHOWING 1–67 OF 67

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