115 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 91911 | Chula Vista | 85,542 |
| 92154 | San Diego | 80,445 |
| 91910 | Chula Vista | 77,123 |
| 92126 | San Diego | 76,059 |
| 92105 | San Diego | 71,411 |
| 92021 | El Cajon | 70,501 |
| 92115 | San Diego | 66,264 |
| 92114 | San Diego | 65,745 |
| 91977 | Spring Valley | 61,064 |
| 92130 | San Diego | 60,768 |
| 91950 | National City | 59,891 |
| 92071 | Santee | 59,590 |
| 92020 | El Cajon | 57,842 |
| 91913 | Chula Vista | 57,721 |
| 92057 | Oceanside | 56,835 |
| 92027 | Escondido | 54,113 |
| 92056 | Oceanside | 53,616 |
| 92078 | San Marcos | 53,605 |
| 92026 | Escondido | 53,075 |
| 92129 | San Diego | 52,965 |
| 92117 | San Diego | 52,275 |
| 92028 | Fallbrook | 52,227 |
| 92101 | San Diego | 51,805 |
| 92024 | Encinitas | 50,617 |
| 92127 | San Diego | 50,555 |
| 92025 | Escondido | 49,989 |
| 92058 | Oceanside | 49,834 |
| 92084 | Vista | 49,727 |
| 92128 | San Diego | 48,992 |
| 92064 | Poway | 48,683 |
| 92113 | San Diego | 48,215 |
| 92104 | San Diego | 47,410 |
| 92069 | San Marcos | 47,335 |
| 92040 | Lakeside | 46,216 |
| 92122 | San Diego | 45,411 |
| 92019 | El Cajon | 45,351 |
| 92111 | San Diego | 45,249 |
| 92109 | San Diego | 44,820 |
| 92009 | Carlsbad | 44,739 |
| 91942 | La Mesa | 41,424 |
| 92037 | La Jolla | 40,717 |
| 92102 | San Diego | 38,901 |
| 92054 | Oceanside | 38,417 |
| 92083 | Vista | 38,375 |
| 92672 | San Clemente | 36,939 |
| 92065 | Ramona | 36,752 |
| 92131 | San Diego | 35,503 |
| 91915 | Chula Vista | 35,322 |
| 92103 | San Diego | 34,836 |
| 92139 | San Diego | 34,703 |
| 91941 | La Mesa | 33,218 |
| 92123 | San Diego | 33,041 |
| 92120 | San Diego | 31,915 |
| 92116 | San Diego | 31,843 |
| 92110 | San Diego | 30,902 |
| 92124 | San Diego | 30,474 |
| 92081 | Vista | 29,002 |
| 92107 | San Diego | 28,827 |
| 92008 | Carlsbad | 27,955 |
| 91945 | Lemon Grove | 27,745 |
| 92173 | San Ysidro | 27,585 |
| 92108 | San Diego | 26,790 |
| 91932 | Imperial Beach | 25,741 |
| 92119 | San Diego | 24,456 |
| 92011 | Carlsbad | 23,190 |
| 92082 | Valley Center | 21,727 |
| 92106 | San Diego | 21,651 |
| 92029 | Escondido | 20,726 |
| 92118 | Coronado | 18,929 |
| 92010 | Carlsbad | 18,489 |
| 91901 | Alpine | 18,197 |
| 91902 | Bonita | 17,698 |
| 91914 | Chula Vista | 16,877 |
| 92014 | Del Mar | 13,105 |
| 92075 | Solana Beach | 11,944 |
| 92007 | Cardiff By The Sea | 11,100 |
| 92055 | Camp Pendleton | 10,831 |
| 91978 | Spring Valley | 10,014 |
| 91935 | Jamul | 9,114 |
| 92067 | Rancho Santa Fe | 7,938 |
| 92093 | La Jolla | 7,167 |
| 92003 | Bonsall | 5,061 |
| 92136 | San Diego | 4,573 |
| 92121 | San Diego | 3,974 |
| 91906 | Campo | 3,325 |
| 92036 | Julian | 3,218 |
| 92179 | San Diego | 3,150 |
| 92004 | Borrego Springs | 3,007 |
| 91962 | Pine Valley | 2,574 |
| 92145 | San Diego | 2,349 |
| 92140 | San Diego | 2,038 |
| 91916 | Descanso | 1,710 |
| 91905 | Boulevard | 1,683 |
| 92061 | Pauma Valley | 1,543 |
| 92086 | Warner Springs | 1,406 |
| 92059 | Pala | 1,362 |
| 91934 | Jacumba | 1,200 |
| 92091 | Rancho Santa Fe | 972 |
| 92135 | San Diego | 849 |
| 91917 | Dulzura | 749 |
| 91963 | Potrero | 689 |
| 92060 | Palomar Mountain | 619 |
| 92070 | Santa Ysabel | 607 |
| 92092 | La Jolla | 528 |
| 91931 | Guatay | 494 |
| 92066 | Ranchita | 290 |
| 92134 | San Diego | 290 |
| 91980 | Tecate | 176 |
| 92147 | San Diego | 148 |
| 92155 | San Diego | 101 |
| 91948 | Mount Laguna | 93 |
| 92161 | San Diego | 29 |
| 92096 | San Marcos | 0 |
| 92132 | San Diego | 0 |
| 92182 | San Diego | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 115 ZCTAs in San Diego County, California (US Census).