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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
California
69.7
Rankings
Full list

Top and bottom zip codes in California

Zip codes with 1,000+ residents

Most diverse zip codes

See all
  1. 190014Los Angeles78.5
  2. 294531Antioch78.3
  3. 390013Los Angeles78.3
  4. 494591Vallejo78.2
  5. 594585Suisun City78.2
  6. 694607Oakland77.8
  7. 794590Vallejo77.6
  8. 895834Sacramento77.6
  9. 994572Rodeo77.5
  10. 1095758Elk Grove77.4

Least diverse zip codes

See all
  1. 193249Lost Hills1.4
  2. 293234Huron1.4
  3. 395560Redway3.9
  4. 495365Planada4
  5. 593239Kettleman City4.7
  6. 692254Mecca4.9
  7. 792231Calexico5.2
  8. 890270Maywood5.4
  9. 992236Coachella5.6
  10. 1090022Los Angeles6.2

Diversity index by county in California

  1. 1Solano County75.6
  2. 2Alameda County75.1
  3. 3Contra Costa County73.3
  4. 4Sacramento County73.3
  5. 5San Mateo County71.8
  6. 6San Francisco County71
  7. 7San Joaquin County70.8
  8. 8Santa Clara County69.9
  9. 9Orange County69.6
  10. 10Sutter County69.3
  11. 11Yolo County68.7
  12. 12San Diego County68.1
  13. 13Los Angeles County67.5
  14. 14Yuba County65.3
  15. 15Riverside County63.2
  16. 16Napa County62.3
  17. 17San Bernardino County62.1
  18. 18Ventura County62
  19. 19Fresno County61.9
  20. 20Stanislaus County61.2
  21. 21Santa Barbara County59.8
  22. 22Inyo County59.3
  23. 23Alpine County59.2
  24. 24Del Norte County59.2
  25. 25Kern County58.8
  26. 26Santa Cruz County58.1
  27. 27Kings County57.7
  28. 28Glenn County57
  29. 29Sonoma County57
  30. 30Lassen County56.7
  31. 31Mendocino County54.6
  32. 32Monterey County54.4
  33. 33Merced County53.8
  34. 34Madera County53.7
  35. 35Tehama County53.6
  36. 36Placer County53.3
  37. 37Marin County53.1
  38. 38Butte County52.9
  39. 39Lake County52.5
  40. 40San Benito County52.3
  41. 41San Luis Obispo County51.8
  42. 42Colusa County51.4
  43. 43Mono County50.3
  44. 44Tulare County48.9
  45. 45Humboldt County48.8
  46. 46Amador County44.3
  47. 47El Dorado County43.9
  48. 48Siskiyou County43.9
  49. 49Mariposa County42.6
  50. 50Modoc County41.3
  51. 51Shasta County41.3
  52. 52Calaveras County39.2
  53. 53Trinity County39
  54. 54Tuolumne County37.2
  55. 55Nevada County33.4
  56. 56Plumas County33.3
  57. 57Imperial County25.2
  58. 58Sierra County24.8

Questions about this map

Which zip code has the highest diversity index in California?

Among zip codes with at least 1,000 residents, 90014 (Los Angeles, CA) has the highest: 78.5.

Which zip code has the lowest diversity index in California?

93249 (Lost Hills, CA) has the lowest: 1.4.

What is the diversity index for the United States?

61.4; in California it is 69.7.

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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