RANKING · 2024 ACS · 67 SHOWN OF 67

Least racially diverse, Pennsylvania counties

Pennsylvania counties with the lowest CensusEasy Diversity Score, where most residents share the same race or ethnicity (2023 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPDIVERSITY SCOREVS 2000

01Jefferson County, PAPA43,25511+509%

02Bedford County, PAPA47,48011+291%

03Armstrong County, PAPA63,69812+266%

04Tioga County, PAPA40,50212+248%

05Potter County, PAPA15,89713+287%

06Elk County, PAPA29,92613+500%

07Warren County, PAPA37,03814+584%

08Bradford County, PAPA59,60014+281%

09Clarion County, PAPA36,68014+274%

10Snyder County, PAPA39,65515+178%

11Susquehanna County, PAPA38,23715+412%

12Clinton County, PAPA37,87015+330%

13Perry County, PAPA46,80616+397%

14Venango County, PAPA49,34616+253%

15Somerset County, PAPA72,00416+163%

16Mifflin County, PAPA46,12716+387%

17Fulton County, PAPA14,48316+497%

18Sullivan County, PAPA5,85616+95%

19Wyoming County, PAPA25,79016+359%

20Crawford County, PAPA81,79217+179%

21Cameron County, PAPA4,21118+585%

22Butler County, PAPA200,16918+287%

23Juniata County, PAPA23,40319+256%

24Clearfield County, PAPA78,10019+234%

25McKean County, PAPA38,98420+152%

26Indiana County, PAPA82,87820+185%

27Blair County, PAPA119,54120+294%

28Westmoreland County, PAPA349,32420+174%

29Greene County, PAPA33,88521+74%

30Columbia County, PAPA66,19322+304%

31Cambria County, PAPA128,96823+134%

32Washington County, PAPA210,80224+138%

33Huntingdon County, PAPA43,00125+61%

34Fayette County, PAPA123,02125+154%

35Montour County, PAPA17,86826+226%

36Lawrence County, PAPA83,91126+143%

37Northumberland County, PAPA89,92026+278%

38Lycoming County, PAPA112,58728+112%

39Carbon County, PAPA65,86828+377%

40Mercer County, PAPA107,86028+85%

41Wayne County, PAPA51,70329+226%

42Adams County, PAPA107,59430+134%

43Schuylkill County, PAPA145,08531+257%

44Beaver County, PAPA166,03231+90%

45Union County, PAPA42,31332+22%

46Franklin County, PAPA160,65235+217%

47Centre County, PAPA157,39338+97%

48Erie County, PAPA265,83240+93%

49Cumberland County, PAPA277,27042+226%

50Bucks County, PAPA647,82844+135%

51Lackawanna County, PAPA216,50244+430%

52Lancaster County, PAPA563,15945+98%

53Lebanon County, PAPA146,38045+174%

54York County, PAPA473,19745+158%

55Forest County, PAPA6,61446+421%

56Pike County, PAPA62,80849+135%

57Allegheny County, PAPA1,225,03551+56%

58Chester County, PAPA557,11652+91%

59Luzerne County, PAPA332,12652+529%

60Northampton County, PAPA324,41157+129%

61Montgomery County, PAPA877,64358+90%

62Berks County, PAPA440,07261+94%

63Delaware County, PAPA580,93769+69%

64Lehigh County, PAPA384,38371+105%

65Monroe County, PAPA167,17973+136%

66Dauphin County, PAPA293,35173+55%

67Philadelphia County, PAPA1,574,28189+16%

SHOWING 1–67 OF 67

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES