RANKING · 1990 CENSUS · 67 SHOWN OF 67

Most racially diverse, Pennsylvania counties · 1990

Pennsylvania counties ranked by the CensusEasy Diversity Score (0 to 100), the chance two random residents are of a different race or ethnicity (1990 ACS). This list covers the 67 counties in Pennsylvania that qualify, ranked against each other statewide. The median across all 67 is 6.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

RANKPLACESTATEPOPDIVERSITY SCOREVS –

01Philadelphia County, PAPA1,574,28171–

02Dauphin County, PAPA293,35139–

03Delaware County, PAPA580,93731–

04Allegheny County, PAPA1,225,03528–

05Chester County, PAPA557,11622–

06Montgomery County, PAPA877,64322–

07Lehigh County, PAPA384,38321–

08Berks County, PAPA440,07220–

09Northampton County, PAPA324,41118–

10Erie County, PAPA265,83216–

11Lancaster County, PAPA563,15916–

12Centre County, PAPA157,39315–

13Beaver County, PAPA166,03215–

14Bucks County, PAPA647,82814–

15Mercer County, PAPA107,86013–

16Huntingdon County, PAPA43,00113–

17York County, PAPA473,19713–

18Monroe County, PAPA167,17912–

19Union County, PAPA42,31312–

20Pike County, PAPA62,80811–

21Washington County, PAPA210,80210–

22Fayette County, PAPA123,02110–

23Lawrence County, PAPA83,9119–

24Franklin County, PAPA160,6529–

25Lebanon County, PAPA146,3809–

26Cumberland County, PAPA277,2709–

27Lycoming County, PAPA112,5878–

28Adams County, PAPA107,5948–

29Cambria County, PAPA128,9687–

30McKean County, PAPA38,9847–

31Westmoreland County, PAPA349,3247–

32Indiana County, PAPA82,8786–

33Montour County, PAPA17,8686–

34Luzerne County, PAPA332,1266–

35Crawford County, PAPA81,7925–

36Wayne County, PAPA51,7035–

37Forest County, PAPA6,6145–

38Greene County, PAPA33,8854–

39Lackawanna County, PAPA216,5024–

40Venango County, PAPA49,3464–

41Tioga County, PAPA40,5024–

42Blair County, PAPA119,5414–

43Butler County, PAPA200,1694–

44Clarion County, PAPA36,6803–

45Snyder County, PAPA39,6553–

46Fulton County, PAPA14,4833–

47Carbon County, PAPA65,8683–

48Sullivan County, PAPA5,8563–

49Columbia County, PAPA66,1933–

50Schuylkill County, PAPA145,0853–

51Bradford County, PAPA59,6003–

52Armstrong County, PAPA63,6983–

53Northumberland County, PAPA89,9203–

54Wyoming County, PAPA25,7903–

55Cameron County, PAPA4,2113–

56Clinton County, PAPA37,8703–

57Perry County, PAPA46,8063–

58Susquehanna County, PAPA38,2373–

59Potter County, PAPA15,8972–

60Warren County, PAPA37,0382–

61Bedford County, PAPA47,4802–

62Elk County, PAPA29,9262–

63Mifflin County, PAPA46,1272–

64Juniata County, PAPA23,4032–

65Clearfield County, PAPA78,1002–

66Somerset County, PAPA72,0042–

67Jefferson County, PAPA43,2551–

SHOWING 1–67 OF 67

Download CSV (full list, 67 rows)How this score is calculated

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS