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About this map

The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024).

U.S.
61.4
Pennsylvania
44.6
Rankings
Full list

Top and bottom zip codes in Pennsylvania

Zip codes with 1,000+ residents

Most diverse zip codes

See all
  1. 119149Philadelphia78.5
  2. 219111Philadelphia74.5
  3. 319136Philadelphia72.5
  4. 419401Norristown72.2
  5. 518466Tobyhanna72.2
  6. 619122Philadelphia72.1
  7. 719135Philadelphia71.8
  8. 819082Upper Darby71.3
  9. 917109Harrisburg70.8
  10. 1017101Harrisburg70.8

Least diverse zip codes

See all
  1. 115935Hollsopple0.9
  2. 215936Hooversville1
  3. 317260Shirleysburg1.1
  4. 415445Hopwood1.1
  5. 515686Spring Church1.4
  6. 615673North Apollo1.4
  7. 716256Smicksburg1.4
  8. 815747Home1.5
  9. 915554New Paris1.5
  10. 1017352New Park1.7

Diversity index by county in Pennsylvania

  1. 1Philadelphia County71.1
  2. 2Dauphin County58.6
  3. 3Monroe County58.3
  4. 4Lehigh County56.7
  5. 5Delaware County55.5
  6. 6Berks County49.2
  7. 7Montgomery County46.8
  8. 8Northampton County45.3
  9. 9Luzerne County41.7
  10. 10Chester County41.6
  11. 11Allegheny County41
  12. 12Pike County38.8
  13. 13Forest County36.5
  14. 14York County36.3
  15. 15Lebanon County36.2
  16. 16Lancaster County35.8
  17. 17Lackawanna County35.3
  18. 18Bucks County35.1
  19. 19Cumberland County34
  20. 20Erie County32.3
  21. 21Centre County30.8
  22. 22Franklin County28.1
  23. 23Union County25.5
  24. 24Beaver County24.9
  25. 25Schuylkill County24.9
  26. 26Adams County23.9
  27. 27Wayne County23.1
  28. 28Mercer County22.3
  29. 29Carbon County22.1
  30. 30Lycoming County22
  31. 31Lawrence County20.9
  32. 32Northumberland County20.8
  33. 33Montour County20.5
  34. 34Fayette County20.2
  35. 35Huntingdon County19.9
  36. 36Washington County19.3
  37. 37Cambria County18.4
  38. 38Columbia County17.8
  39. 39Greene County16.7
  40. 40Westmoreland County16.3
  41. 41Blair County15.9
  42. 42Indiana County15.8
  43. 43McKean County15.7
  44. 44Clearfield County15.3
  45. 45Juniata County15.2
  46. 46Butler County14.8
  47. 47Cameron County14.3
  48. 48Crawford County13.6
  49. 49Wyoming County13.1
  50. 50Fulton County13
  51. 51Sullivan County13
  52. 52Mifflin County12.8
  53. 53Somerset County12.8
  54. 54Venango County12.8
  55. 55Perry County12.5
  56. 56Clinton County12.3
  57. 57Snyder County11.9
  58. 58Susquehanna County11.9
  59. 59Clarion County11.4
  60. 60Bradford County11.3
  61. 61Warren County11.2
  62. 62Elk County10.5
  63. 63Potter County10.5
  64. 64Armstrong County9.8
  65. 65Tioga County9.8
  66. 66Bedford County8.9
  67. 67Jefferson County8.8

Questions about this map

Which zip code has the highest diversity index in Pennsylvania?

Among zip codes with at least 1,000 residents, 19149 (Philadelphia, PA) has the highest: 78.5.

Which zip code has the lowest diversity index in Pennsylvania?

15935 (Hollsopple, PA) has the lowest: 0.9.

What is the diversity index for the United States?

61.4; in Pennsylvania it is 44.6.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). The chance that two residents picked at random belong to different racial or ethnic groups. 0 means everyone is in the same group; 50+ is very mixed. The U.S. overall scores about 61.

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