ZipCodeLook
Loading 33,000 zip codes…

About this map

Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

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

U.S.
38.9
California
37.9
Rankings
Full list

Top and bottom zip codes in California

Zip codes with 1,000+ residents

Oldest zip codes (highest median age)

See all
  1. 192637Laguna Woods74.9
  2. 294956Point Reyes Station71.5
  3. 395497The Sea Ranch70.3
  4. 494595Walnut Creek69.2
  5. 593921Carmel By The Sea69.2
  6. 690073Los Angeles68.7
  7. 792210Indian Wells67.9
  8. 896103Blairsden Graeagle67.1
  9. 995460Mendocino66.6
  10. 1092270Rancho Mirage66.1

Youngest zip codes (lowest median age)

See all
  1. 195387Westley19
  2. 293410San Luis Obispo19.2
  3. 390089Los Angeles19.5
  4. 492093La Jolla19.5
  5. 595064Santa Cruz19.6
  6. 695053Santa Clara19.7
  7. 793740Fresno19.8
  8. 890263Malibu19.9
  9. 994720Berkeley19.9
  10. 1090639La Mirada20.3

Median age by county in California

  1. 1Trinity County54.9
  2. 2Sierra County54.7
  3. 3Calaveras County52
  4. 4Plumas County52
  5. 5Mariposa County51.2
  6. 6Nevada County50.1
  7. 7Amador County49.7
  8. 8Tuolumne County48.4
  9. 9Modoc County47.5
  10. 10Marin County47.4
  11. 11Siskiyou County47.2
  12. 12El Dorado County46.1
  13. 13Inyo County45.5
  14. 14Lake County44.1
  15. 15Mendocino County44.1
  16. 16Napa County42.9
  17. 17Sonoma County42.9
  18. 18Placer County42.5
  19. 19Shasta County41.7
  20. 20Mono County41.5
  21. 21San Mateo County40.9
  22. 22Contra Costa County40.5
  23. 23San Luis Obispo County40.4
  24. 24San Francisco County40
  25. 25Tehama County40
  26. 26Del Norte County39.9
  27. 27Humboldt County39.9
  28. 28Alpine County39.8
  29. 29Santa Cruz County39.8
  30. 30Ventura County39.6
  31. 31Orange County39.4
  32. 32Solano County39.2
  33. 33Alameda County39
  34. 34Lassen County38.3
  35. 35Los Angeles County38.2
  36. 36Santa Clara County38.1
  37. 37Sacramento County37.5
  38. 38San Diego County37.3
  39. 39Riverside County37
  40. 40Sutter County36.5
  41. 41Butte County36.2
  42. 42Glenn County36.2
  43. 43San Benito County36.1
  44. 44Colusa County35.9
  45. 45Monterey County35.5
  46. 46San Joaquin County35.4
  47. 47Stanislaus County34.9
  48. 48San Bernardino County34.7
  49. 49Madera County34.6
  50. 50Santa Barbara County34.6
  51. 51Yuba County34.2
  52. 52Fresno County33.5
  53. 53Imperial County33.2
  54. 54Kern County32.7
  55. 55Kings County32.5
  56. 56Tulare County32.1
  57. 57Yolo County32.1
  58. 58Merced County31.8

Questions about this map

Which zip code has the highest median age in California?

Among zip codes with at least 1,000 residents, 92637 (Laguna Woods, CA) has the highest: 74.9.

Which zip code has the lowest median age in California?

95387 (Westley, CA) has the lowest: 19.

What is the median age for the United States?

38.9; in California it is 37.9.

Where does this data come from?

U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024). Half of residents are older than this, half younger. Retirement areas run 50+, college towns can be in the low 20s.

More maps