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About this map

Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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

U.S.
334,922,499
California
39,287,377
Rankings
Full list

Top and bottom zip codes in California

Zip codes with 1,000+ residents

Most populated zip codes

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  1. 192336Fontana105,517
  2. 294565Pittsburg100,488
  3. 390011Los Angeles100,113
  4. 490650Norwalk99,900
  5. 591331Pacoima97,608
  6. 692335Fontana97,511
  7. 790044Los Angeles94,830
  8. 890250Hawthorne93,826
  9. 991342Sylmar93,301
  10. 1090201Bell Gardens92,763

Least populated zip codes

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  1. 191125Pasadena1,000
  2. 294937Inverness1,009
  3. 395548Klamath1,024
  4. 495549Kneeland1,024
  5. 596057McCloud1,025
  6. 693544Llano1,027
  7. 795387Westley1,032
  8. 894933Forest Knolls1,033
  9. 994528Diablo1,049
  10. 1094592Vallejo1,049

Population by county in California

  1. 1Los Angeles County9,808,667
  2. 2San Diego County3,288,774
  3. 3Orange County3,165,820
  4. 4Riverside County2,478,600
  5. 5San Bernardino County2,197,104
  6. 6Santa Clara County1,902,047
  7. 7Alameda County1,649,473
  8. 8Sacramento County1,594,006
  9. 9Contra Costa County1,165,012
  10. 10Fresno County1,016,725
  11. 11Kern County915,075
  12. 12Ventura County837,469
  13. 13San Francisco County830,235
  14. 14San Joaquin County797,334
  15. 15San Mateo County742,340
  16. 16Stanislaus County553,990
  17. 17Sonoma County485,040
  18. 18Tulare County478,693
  19. 19Solano County451,918
  20. 20Santa Barbara County443,701
  21. 21Monterey County437,613
  22. 22Placer County419,156
  23. 23Merced County290,201
  24. 24San Luis Obispo County281,555
  25. 25Santa Cruz County264,926
  26. 26Marin County257,969
  27. 27Yolo County220,564
  28. 28Butte County207,929
  29. 29El Dorado County192,662
  30. 30Shasta County181,436
  31. 31Imperial County180,202
  32. 32Madera County160,940
  33. 33Kings County153,298
  34. 34Napa County134,869
  35. 35Humboldt County134,541
  36. 36Nevada County102,481
  37. 37Sutter County98,857
  38. 38Mendocino County90,244
  39. 39Yuba County84,507
  40. 40Lake County68,152
  41. 41San Benito County67,290
  42. 42Tehama County65,167
  43. 43Tuolumne County54,498
  44. 44Calaveras County46,248
  45. 45Siskiyou County43,466
  46. 46Amador County41,428
  47. 47Lassen County30,356
  48. 48Glenn County28,494
  49. 49Del Norte County27,107
  50. 50Colusa County21,984
  51. 51Plumas County19,423
  52. 52Inyo County18,739
  53. 53Mariposa County17,082
  54. 54Trinity County15,860
  55. 55Mono County13,148
  56. 56Modoc County8,600
  57. 57Sierra County2,746
  58. 58Alpine County1,616

Questions about this map

Which zip code has the highest population in California?

Among zip codes with at least 1,000 residents, 92336 (Fontana, CA) has the highest: 105,517.

Which zip code has the lowest population in California?

91125 (Pasadena, CA) has the lowest: 1,000.

What is the population for the United States?

334,922,499; in California it is 39,287,377.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Everyone who lives in the zip code, from the Census Bureau's American Community Survey (5-year average).

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