May we count your visit with Google Analytics? It uses cookies and sends visit data to Google. You can change this any time under Cookie choices. Privacy

Where am ILOCATED

San Diego County, California

San Diego County, California, has 3,282,248 residents (July 2025 estimate). Its county seat is San Diego. It uses Pacific Time and covers 4,211 sq mi (10,906 km²) of land.

Los AngelesSan DiegoSan Jose
San Diego County in California
San DiegoChula VistaOceansideEscondidoCarlsbad
San Diego County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
3,282,248
Land area
4,211 sq mi (10,906 km²)
County seat or government
San Diego
Time zone
Pacific TimeUTC-08:00 in January; UTC-07:00 in July
Median household income
$106,268 ± $949
Median home value
$854,700 ± $3,996
Median rent, with utilities
$2,246 ± $11
Homes lived in by their owners
54.6% ± 0.4 points
County type
County
Metro or micro area
San Diego-Chula Vista-Carlsbad, CA metro areaCentral county
Water area
315 sq mi (816 km²)
State
California
County code (FIPS)
06073
Coordinates (central point)
33.023604, -116.776117
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in San Diego County

Time zoneLocal time and UTC offsetNext clock change
Pacific TimeAmerica/Los_AngelesUTC-08:00 in January; UTC-07:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 9191185,542 people
  2. 9215480,445 people
  3. 9191077,123 people
  4. 9212676,059 people
  5. 9210571,411 people
  6. 9202170,501 people
  7. 9211566,264 people
  8. 9211465,745 people
  9. 9256264,781 people
  10. 9197761,064 people
  11. 9213060,768 people
  12. 9195059,891 people
All 116
  1. 9207159,590 people
  2. 9202057,842 people
  3. 9191357,721 people
  4. 9205756,835 people
  5. 9202754,113 people
  6. 9205653,616 people
  7. 9207853,605 people
  8. 9202653,075 people
  9. 9212952,965 people
  10. 9211752,275 people
  11. 9202852,227 people
  12. 9210151,805 people
  13. 9202450,617 people
  14. 9212750,555 people
  15. 9202549,989 people
  16. 9205849,834 people
  17. 9208449,727 people
  18. 9212848,992 people
  19. 9206448,683 people
  20. 9211348,215 people
  21. 9210447,410 people
  22. 9206947,335 people
  23. 9204046,216 people
  24. 9212245,411 people
  25. 9201945,351 people
  26. 9211145,249 people
  27. 9210944,820 people
  28. 9200944,739 people
  29. 9194241,424 people
  30. 9203740,717 people
  31. 9210238,901 people
  32. 9205438,417 people
  33. 9208338,375 people
  34. 9267236,939 people
  35. 9206536,752 people
  36. 9213135,503 people
  37. 9191535,322 people
  38. 9210334,836 people
  39. 9213934,703 people
  40. 9194133,218 people
  41. 9212333,041 people
  42. 9212031,915 people
  43. 9211631,843 people
  44. 9211030,902 people
  45. 9212430,474 people
  46. 9208129,002 people
  47. 9210728,827 people
  48. 9200827,955 people
  49. 9194527,745 people
  50. 9217327,585 people
  51. 9210826,790 people
  52. 9193225,741 people
  53. 9211924,456 people
  54. 9201123,190 people
  55. 9208221,727 people
  56. 9210621,651 people
  57. 9202920,726 people
  58. 9211818,929 people
  59. 9201018,489 people
  60. 9190118,197 people
  61. 9190217,698 people
  62. 9191416,877 people
  63. 9201413,105 people
  64. 9207511,944 people
  65. 9200711,100 people
  66. 9205510,831 people
  67. 9197810,014 people
  68. 919359,114 people
  69. 920677,938 people
  70. 920937,167 people
  71. 920035,061 people
  72. 921364,573 people
  73. 921213,974 people
  74. 919063,325 people
  75. 920363,218 people
  76. 921793,150 people
  77. 920043,007 people
  78. 919622,574 people
  79. 921452,349 people
  80. 921402,038 people
  81. 919161,710 people
  82. 919051,683 people
  83. 920611,543 people
  84. 920861,406 people
  85. 920591,362 people
  86. 919341,200 people
  87. 92091972 people
  88. 92135849 people
  89. 91917749 people
  90. 91963689 people
  91. 92060619 people
  92. 92070607 people
  93. 92092528 people
  94. 91931494 people
  95. 92066290 people
  96. 92134290 people
  97. 91980176 people
  98. 92147148 people
  99. 92155101 people
  100. 9194893 people
  101. 9216129 people
  102. 920960 people
  103. 921320 people
  104. 921820 people

116 ZIP Code areas overlap San Diego County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

San Diego County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in San Diego County, largest first

  1. San Diego City Unified School District1,074,347 people
  2. Sweetwater Union High School District487,561 people
  3. Grossmont Union High School District485,323 people
  4. Chula Vista Elementary School District314,230 people
  5. Poway Unified School District203,500 people
  6. San Dieguito Union High School District178,350 people
  7. Escondido Union High School District171,324 people
  8. Cajon Valley Union Elementary School District169,057 people
  9. Escondido Union Elementary School District167,848 people
  10. Vista Unified School District153,302 people
  11. Oceanside Unified School District138,711 people
  12. La Mesa-Spring Valley School District138,490 people
All 42
  1. San Marcos Unified School District127,375 people
  2. Carlsbad Unified School District78,358 people
  3. South Bay Union School District73,518 people
  4. Encinitas Union Elementary School District72,587 people
  5. Fallbrook Union High School District68,343 people
  6. Fallbrook Union Elementary School District65,746 people
  7. Santee School District63,521 people
  8. National Elementary School District58,378 people
  9. Del Mar Union Elementary School District48,746 people
  10. Lakeside Union Elementary School District (San Diego County)45,019 people
  11. San Ysidro Elementary School District41,435 people
  12. Solana Beach Elementary School District40,154 people
  13. Lemon Grove Elementary School District37,569 people
  14. Ramona City Unified School District36,684 people
  15. Valley Center-Pauma Unified School District27,545 people
  16. Coronado Unified School District19,879 people
  17. Alpine Union Elementary School District19,576 people
  18. Bonsall Unified School District17,430 people
  19. Mountain Empire Unified School District12,148 people
  20. Cardiff Elementary School District11,829 people
  21. Jamul-Dulzura Union Elementary School District9,451 people
  22. Rancho Santa Fe Elementary School District5,034 people
  23. Julian Union High School District3,697 people
  24. San Pasqual Union Elementary School District3,476 people
  25. Julian Union Elementary School District3,048 people
  26. Borrego Springs Unified School District2,983 people
  27. Dehesa Elementary School District2,640 people
  28. Vallecitos Elementary School District2,597 people
  29. Warner Unified School District1,914 people
  30. Spencer Valley Elementary School District649 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Tribal areas in San Diego County, largest first

  1. Pala Reservation914 people
  2. San Pasqual Reservation and Off-Reservation Trust Land833 people
  3. Rincon Reservation and Off-Reservation Trust Land749 people
  4. Barona Reservation and Off-Reservation Trust Land485 people
  5. Campo Indian Reservation455 people
  6. Viejas Reservation and Off-Reservation Trust Land204 people
  7. La Jolla Reservation and Off-Reservation Trust Land178 people
  8. Sycuan Reservation and Off-Reservation Trust Land135 people
  9. Pauma and Yuima Reservation109 people
  10. Santa Ysabel Reservation89 people
  11. Los Coyotes Reservation67 people
  12. Manzanita Reservation and Off-Reservation Trust Land66 people
All 18
  1. Mesa Grande Reservation49 people
  2. La Posta Indian Reservation43 people
  3. Capitan Grande Reservation0 people
  4. Ewiiaapaayp Reservation0 people
  5. Inaja and Cosmit Reservation0 people
  6. Jamul Indian Village0 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. San Diego, California (city)1,389,526 people
  2. Chula Vista, California (city)276,375 people
  3. Oceanside, California (city)172,242 people
  4. Escondido, California (city)149,668 people
  5. Carlsbad, California (city)114,373 people
  6. El Cajon, California (city)104,449 people
  7. Vista, California (city)99,114 people
  8. San Marcos, California (city)94,882 people
  9. Encinitas, California (city)61,480 people
  10. La Mesa, California (city)60,797 people
  11. Santee, California (city)59,332 people
  12. National City, California (city)58,893 people
All 57
  1. Poway, California (city)48,713 people
  2. La Presa, California (CDP)34,962 people
  3. Fallbrook, California (CDP)32,112 people
  4. Spring Valley, San Diego County, California (CDP)31,969 people
  5. Lemon Grove, California (city)27,686 people
  6. Imperial Beach, California (city)25,764 people
  7. Ramona, California (CDP)22,634 people
  8. Lakeside, San Diego County, California (CDP)22,447 people
  9. Winter Gardens, California (CDP)22,131 people
  10. Rancho San Diego, California (CDP)21,272 people
  11. Casa de Oro-Mount Helix, California (CDP)19,765 people
  12. Coronado, California (city)19,015 people
  13. Bostonia, California (CDP)16,765 people
  14. Camp Pendleton South, California (CDP)15,766 people
  15. Alpine, California (CDP)15,180 people
  16. Solana Beach, California (city)12,823 people
  17. Bonita, California (CDP)12,652 people
  18. Valley Center, California (CDP)11,119 people

See all 57 cities, towns and communities in San Diego County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Riverside County, California66 mi northeast
  2. Orange County, California73 mi northwest
  3. Imperial County, California82 mi east

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.