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. The median across all 67 is 278. Biggest climber in the top 100 since 2020: Wyoming County, PA, up 15 places to #42.

Czech Americans: full group profile →

PennsylvaniaAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

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

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

03▲2Philadelphia County, PAPA1,574,2812,344+6%

04▼1Montgomery County, PAPA877,6432,222−33%

05▼1Chester County, PAPA557,1161,902−6%

06Bucks County, PAPA647,8281,751−19%

07Erie County, PAPA265,8321,395−20%

08▲2Butler County, PAPA200,1691,356−3%

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

10▲3Delaware County, PAPA580,9371,096−22%

11▲5Lancaster County, PAPA563,1591,084−25%

12▼1Lehigh County, PAPA384,3831,071−34%

13▼5Fayette County, PAPA123,0211,029−17%

14▼2Beaver County, PAPA166,0321,025−27%

15▲2Luzerne County, PAPA332,1261,000−38%

16▲4York County, PAPA473,197933−36%

17▼3Cambria County, PAPA128,968889−28%

18▲1Northampton County, PAPA324,411744−54%

19▼4Berks County, PAPA440,072664−44%

20▲8Lackawanna County, PAPA216,502650−16%

21▼3Cumberland County, PAPA277,270599−32%

22▲4Monroe County, PAPA167,179557−31%

23▲2Centre County, PAPA157,393529−44%

24Dauphin County, PAPA293,351463−68%

25▼2Mercer County, PAPA107,860451−56%

26▲4Lebanon County, PAPA146,380406−17%

27▲10Greene County, PAPA33,885395+4%

28▲7Blair County, PAPA119,541359+42%

29▼2Somerset County, PAPA72,004334−28%

30▼8Schuylkill County, PAPA145,085330−53%

31▼2Pike County, PAPA62,808304−8%

32▲4Crawford County, PAPA81,792285−54%

33▼12Indiana County, PAPA82,878284−66%

34▲6Adams County, PAPA107,594278+32%

35▼1Clearfield County, PAPA78,100272−47%

36▼5Lawrence County, PAPA83,911239−45%

37▼5Carbon County, PAPA65,868238−47%

38▲4Franklin County, PAPA160,652228−11%

39▼6Armstrong County, PAPA63,698189−70%

40▲13Wayne County, PAPA51,703172−22%

41▼2Northumberland County, PAPA89,920167−18%

42▲15Wyoming County, PAPA25,790119+20%

43▼2Columbia County, PAPA66,193117−65%

44▲10Lycoming County, PAPA112,587115−56%

45▲4McKean County, PAPA38,984114−63%

46▲2Huntingdon County, PAPA43,00194−15%

47Bradford County, PAPA59,60090−56%

48▼3Perry County, PAPA46,80676−27%

49▼11Susquehanna County, PAPA38,23770−47%

50Tioga County, PAPA40,50270−47%

51▼7Snyder County, PAPA39,65564−50%

52▲8Venango County, PAPA49,34664−69%

53▲2Warren County, PAPA37,03864−78%

54▼8Jefferson County, PAPA43,25561−62%

55▼12Clarion County, PAPA36,68051−59%

56▼5Elk County, PAPA29,92651−34%

57▲8Montour County, PAPA17,86848+118%

58▼6Union County, PAPA42,31347−53%

59▼1Potter County, PAPA15,89744−15%

60▲6Forest County, PAPA6,61439−24%

61▼5Bedford County, PAPA47,48034−76%

62▼3Sullivan County, PAPA5,85634+62%

63▼1Mifflin County, PAPA46,12717+31%

64▼3Clinton County, PAPA37,8709−93%

65▼2Fulton County, PAPA14,4839−65%

66▲1Cameron County, PAPA4,2114−89%

67▼3Juniata County, PAPA23,4034−81%

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES