RANKING · 2020 CENSUS · 67 SHOWN OF 67

Largest Czech population, Pennsylvania counties · 2020

Pennsylvania counties ranked by the number of residents who are Czech ancestry, from the 2020 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, PAPA1,225,0356,660−26%

02Westmoreland County, PAPA349,3243,743+4%

03Montgomery County, PAPA877,6432,513−25%

04Chester County, PAPA557,1162,258+12%

05Philadelphia County, PAPA1,574,2812,083−6%

06Bucks County, PAPA647,8281,841−15%

07Erie County, PAPA265,8321,471−16%

08Fayette County, PAPA123,0211,343+8%

09Washington County, PAPA210,8021,299−29%

10Butler County, PAPA200,1691,245−11%

11Lehigh County, PAPA384,3831,079−34%

12Beaver County, PAPA166,0321,023−27%

13Delaware County, PAPA580,937993−30%

14Cambria County, PAPA128,968889−28%

15Berks County, PAPA440,072885−26%

16Lancaster County, PAPA563,159804−44%

17Luzerne County, PAPA332,126781−51%

18Cumberland County, PAPA277,270771−13%

19Northampton County, PAPA324,411714−56%

20York County, PAPA473,197700−52%

21Indiana County, PAPA82,878592−29%

22Schuylkill County, PAPA145,085560−20%

23Mercer County, PAPA107,860498−51%

24Dauphin County, PAPA293,351485−66%

25Centre County, PAPA157,393479−49%

26Monroe County, PAPA167,179473−42%

27Somerset County, PAPA72,004407−12%

28Lackawanna County, PAPA216,502386−50%

29Pike County, PAPA62,808373+12%

30Lebanon County, PAPA146,380365−26%

31Lawrence County, PAPA83,911358−18%

32Carbon County, PAPA65,868344−24%

33Armstrong County, PAPA63,698329−49%

34Clearfield County, PAPA78,100318−38%

35Blair County, PAPA119,541315+25%

36Crawford County, PAPA81,792297−52%

37Greene County, PAPA33,885215−44%

38Susquehanna County, PAPA38,237201+53%

39Northumberland County, PAPA89,920181−11%

40Adams County, PAPA107,594159−25%

41Columbia County, PAPA66,193155−54%

42Franklin County, PAPA160,652139−45%

43Clarion County, PAPA36,680136+9%

44Snyder County, PAPA39,655129+0%

45Perry County, PAPA46,806125+20%

46Jefferson County, PAPA43,255122−24%

47Bradford County, PAPA59,600117−42%

48Huntingdon County, PAPA43,001114+4%

49McKean County, PAPA38,984114−63%

50Tioga County, PAPA40,502113−14%

51Elk County, PAPA29,926108+40%

52Union County, PAPA42,313106+6%

53Wayne County, PAPA51,70393−58%

54Lycoming County, PAPA112,58788−66%

55Warren County, PAPA37,03887−70%

56Bedford County, PAPA47,48079−45%

57Wyoming County, PAPA25,79074−25%

58Potter County, PAPA15,89763+21%

59Sullivan County, PAPA5,85656+167%

60Venango County, PAPA49,34655−73%

61Clinton County, PAPA37,87051−61%

62Mifflin County, PAPA46,12737+185%

63Fulton County, PAPA14,48328+8%

64Juniata County, PAPA23,40320−5%

65Montour County, PAPA17,86819−14%

66Forest County, PAPA6,61414−73%

67Cameron County, PAPA4,2115−86%

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS