RANKING · 2010 CENSUS · 67 SHOWN OF 67

Largest Slovak population, Pennsylvania counties · 2010

Pennsylvania counties ranked by the number of residents who are Slovak 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

RANKPLACESTATEPOPSLOVAK POPULATIONVS 2000

01Allegheny County, PAPA1,225,03550,916–

02Westmoreland County, PAPA349,32424,541–

03Luzerne County, PAPA332,12618,516–

04Cambria County, PAPA128,96810,898–

05Fayette County, PAPA123,0219,498–

06Lehigh County, PAPA384,3839,428–

07Washington County, PAPA210,8029,186–

08Lackawanna County, PAPA216,5027,181–

09Northampton County, PAPA324,4117,016–

10Montgomery County, PAPA877,6436,201–

11Beaver County, PAPA166,0325,863–

12Butler County, PAPA200,1695,770–

13Erie County, PAPA265,8325,402–

14Schuylkill County, PAPA145,0855,222–

15Mercer County, PAPA107,8604,757–

16Bucks County, PAPA647,8284,547–

17Chester County, PAPA557,1164,513–

18Carbon County, PAPA65,8684,301–

19Berks County, PAPA440,0724,149–

20Indiana County, PAPA82,8784,100–

21Armstrong County, PAPA63,6983,077–

22Centre County, PAPA157,3932,805–

23Clearfield County, PAPA78,1002,799–

24Philadelphia County, PAPA1,574,2812,480–

25Dauphin County, PAPA293,3512,279–

26Delaware County, PAPA580,9372,264–

27Lancaster County, PAPA563,1592,057–

28Somerset County, PAPA72,0041,988–

29Cumberland County, PAPA277,2701,907–

30Lawrence County, PAPA83,9111,886–

31York County, PAPA473,1971,688–

32Lebanon County, PAPA146,3801,629–

33Monroe County, PAPA167,1791,285–

34Greene County, PAPA33,8851,261–

35Crawford County, PAPA81,7921,149–

36Northumberland County, PAPA89,9201,148–

37Blair County, PAPA119,5411,096–

38Susquehanna County, PAPA38,237964–

39Columbia County, PAPA66,193838–

40Wayne County, PAPA51,703812–

41Jefferson County, PAPA43,255710–

42Wyoming County, PAPA25,790696–

43Franklin County, PAPA160,652507–

44Warren County, PAPA37,038439–

45Lycoming County, PAPA112,587432–

46Adams County, PAPA107,594428–

47Venango County, PAPA49,346425–

48Bedford County, PAPA47,480339–

49Pike County, PAPA62,808339–

50Clinton County, PAPA37,870330–

51Huntingdon County, PAPA43,001275–

52McKean County, PAPA38,984264–

53Elk County, PAPA29,926255–

54Montour County, PAPA17,868247–

55Perry County, PAPA46,806246–

56Bradford County, PAPA59,600231–

57Clarion County, PAPA36,680154–

58Forest County, PAPA6,614133–

59Juniata County, PAPA23,403132–

60Snyder County, PAPA39,655129–

61Potter County, PAPA15,897121–

62Union County, PAPA42,313121–

63Mifflin County, PAPA46,127111–

64Tioga County, PAPA40,502105–

65Cameron County, PAPA4,21157–

66Sullivan County, PAPA5,85647–

67Fulton County, PAPA14,48316–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)

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