San Diego County, California Zip Codes
| Chula Vista | 87,799 |
| San Diego | 83,758 |
| San Diego | 78,111 |
| Chula Vista | 76,313 |
| San Diego | 72,688 |
| El Cajon | 69,638 |
| San Diego | 66,487 |
| Spring Valley | 65,497 |
| San Diego | 61,456 |
| Santee | 59,795 |
| El Cajon | 59,775 |
| Oceanside | 58,022 |
| National City | 57,844 |
| San Diego | 57,363 |
| Chula Vista | 56,102 |
| Escondido | 55,750 |
| San Diego | 54,499 |
| Oceanside | 54,190 |
| Escondido | 53,053 |
| San Marcos | 53,019 |
| San Diego | 52,495 |
| Fallbrook | 51,135 |
| San Diego | 51,107 |
| San Diego | 50,983 |
| Escondido | 50,270 |
| Encinitas | 50,222 |
| Vista | 49,971 |
| San Diego | 49,273 |
| Poway | 48,783 |
| Oceanside | 48,272 |
| San Diego | 47,710 |
| San Marcos | 46,648 |
| San Diego | 46,613 |
| Carlsbad | 46,334 |
| San Diego | 46,025 |
| San Diego | 45,988 |
| El Cajon | 45,937 |
| Lakeside | 45,906 |
| San Diego | 44,009 |
| La Mesa | 40,995 |
| San Diego | 40,051 |
| San Clemente | 38,020 |
| Vista | 37,864 |
| La Jolla | 37,665 |
| Oceanside | 37,050 |
| Ramona | 36,836 |
| Chula Vista | 35,608 |
| San Diego | 35,227 |
| San Diego | 34,930 |
| San Diego | 34,296 |
| La Mesa | 33,602 |
| San Diego | 32,951 |
| San Diego | 31,836 |
| San Diego | 31,121 |
| San Diego | 30,773 |
| San Diego | 30,241 |
| Vista | 29,475 |
| San Diego | 29,435 |
| San Ysidro | 28,609 |
| Lemon Grove | 27,541 |
| Carlsbad | 27,373 |
| Imperial Beach | 26,157 |
| Carlsbad | 24,472 |
| San Diego | 24,419 |
| San Diego | 24,201 |
| Valley Center | 20,678 |
| San Diego | 20,483 |
| Escondido | 19,986 |
| Alpine | 18,669 |
| Coronado | 17,602 |
| Chula Vista | 17,373 |
| Bonita | 17,121 |
| Carlsbad | 16,566 |
| Del Mar | 12,532 |
| Solana Beach | 12,072 |
| Cardiff By The Sea | 11,939 |
| Spring Valley | 11,006 |
| Camp Pendleton | 10,618 |
| San Diego | 9,630 |
| Jamul | 9,320 |
| Rancho Santa Fe | 9,186 |
| Bonsall | 4,404 |
| Campo | 4,281 |
| San Diego | 4,150 |
| Borrego Springs | 3,200 |
| Julian | 3,075 |
| San Diego | 3,031 |
| San Diego | 2,810 |
| San Diego | 2,807 |
| Pine Valley | 2,528 |
| La Jolla | 2,044 |
| Descanso | 1,833 |
| Pauma Valley | 1,677 |
| Pala | 1,456 |
| Boulevard | 1,411 |
| Warner Springs | 1,409 |
| Rancho Santa Fe | 1,288 |
| Jacumba | 1,251 |
| San Diego | 1,095 |
| Dulzura | 851 |
| Santa Ysabel | 761 |
| Guatay | 749 |
| Potrero | 624 |
| La Jolla | 521 |
| Palomar Mountain | 506 |
| Ranchita | 319 |
| San Diego | 241 |
| San Diego | 196 |
| San Diego | 180 |
| Mount Laguna | 104 |
| Tecate | 103 |
| San Diego | 12 |
| San Marcos | 0 |
| San Diego | 0 |
| San Diego | 0 |
- Population is the most recent figure from the U.S. Census Bureau's 2022 American Community Survey (ACS) 5-Year Estimates.