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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
Wisconsin
37.1
Rankings
Full list

Top and bottom zip codes in Wisconsin

Zip codes with 1,000+ residents

Most diverse zip codes

See all
  1. 153208Milwaukee70.2
  2. 253404Racine68.9
  3. 353403Racine68.7
  4. 453233Milwaukee68.4
  5. 553713Madison65.7
  6. 653212Milwaukee64.3
  7. 753221Milwaukee64
  8. 853224Milwaukee63.7
  9. 953222Milwaukee62.1
  10. 1054302Green Bay61.6

Least diverse zip codes

See all
  1. 154423Custer1.8
  2. 253926Dalton3.3
  3. 354745Holcombe3.6
  4. 454437Greenwood3.7
  5. 554979Van Dyne4.1
  6. 653806Cassville4.6
  7. 754175Townsend4.8
  8. 854947Larsen4.8
  9. 954626Eastman5.2
  10. 1054159Porterfield5.4

Diversity index by county in Wisconsin

  1. 1Milwaukee County67.2
  2. 2Racine County49.5
  3. 3Kenosha County46
  4. 4Dane County41.1
  5. 5Brown County38.8
  6. 6Sawyer County38.7
  7. 7Forest County37.8
  8. 8Menominee County35.7
  9. 9Rock County35.2
  10. 10Sheboygan County33.6
  11. 11Ashland County32.8
  12. 12Walworth County29.5
  13. 13Bayfield County29
  14. 14Trempealeau County27.9
  15. 15Shawano County27.7
  16. 16Outagamie County27.4
  17. 17Winnebago County27.3
  18. 18Vilas County27.2
  19. 19Waukesha County27.1
  20. 20Jackson County26.8
  21. 21Fond du Lac County25.5
  22. 22Marathon County25.1
  23. 23Sauk County24.9
  24. 24Jefferson County23.6
  25. 25Eau Claire County23.5
  26. 26Manitowoc County23.3
  27. 27Waushara County23.3
  28. 28Dodge County23.2
  29. 29Juneau County23.2
  30. 30La Crosse County23.2
  31. 31Calumet County23
  32. 32Adams County22.8
  33. 33Monroe County22
  34. 34Portage County20.4
  35. 35Ozaukee County20.2
  36. 36Burnett County19.4
  37. 37Douglas County19.1
  38. 38Lafayette County19
  39. 39Washington County18.4
  40. 40Columbia County18.3
  41. 41Wood County18.3
  42. 42Dunn County17.9
  43. 43Clark County17.7
  44. 44Green Lake County17.7
  45. 45Barron County17.3
  46. 46Pierce County16.4
  47. 47St. Croix County16.2
  48. 48Door County16
  49. 49Langlade County16
  50. 50Green County15.2
  51. 51Kewaunee County15.1
  52. 52Richland County15.1
  53. 53Chippewa County14.6
  54. 54Marquette County14.6
  55. 55Iowa County14.5
  56. 56Washburn County14.4
  57. 57Waupaca County14.4
  58. 58Crawford County14
  59. 59Grant County13.4
  60. 60Iron County13.4
  61. 61Polk County13.4
  62. 62Lincoln County13.3
  63. 63Rusk County13.3
  64. 64Price County13.1
  65. 65Oconto County12.9
  66. 66Oneida County12.7
  67. 67Marinette County12.5
  68. 68Buffalo County12.2
  69. 69Taylor County11.8
  70. 70Pepin County11.3
  71. 71Vernon County11
  72. 72Florence County9.9

Questions about this map

Which zip code has the highest diversity index in Wisconsin?

Among zip codes with at least 1,000 residents, 53208 (Milwaukee, WI) has the highest: 70.2.

Which zip code has the lowest diversity index in Wisconsin?

54423 (Custer, WI) has the lowest: 1.8.

What is the diversity index for the United States?

61.4; in Wisconsin it is 37.1.

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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