115 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 91911 | Chula Vista | 84,619 |
| 92154 | San Diego | 82,832 |
| 91910 | Chula Vista | 77,957 |
| 92126 | San Diego | 77,239 |
| 92105 | San Diego | 71,284 |
| 92021 | El Cajon | 69,306 |
| 92114 | San Diego | 64,820 |
| 92115 | San Diego | 64,011 |
| 91977 | Spring Valley | 62,957 |
| 92130 | San Diego | 59,768 |
| 92071 | Santee | 59,739 |
| 92020 | El Cajon | 58,490 |
| 92057 | Oceanside | 57,994 |
| 91950 | National City | 57,173 |
| 91913 | Chula Vista | 57,067 |
| 92027 | Escondido | 55,232 |
| 92078 | San Marcos | 53,542 |
| 92056 | Oceanside | 53,265 |
| 92129 | San Diego | 53,080 |
| 92026 | Escondido | 53,041 |
| 92117 | San Diego | 52,645 |
| 92028 | Fallbrook | 50,905 |
| 92127 | San Diego | 50,711 |
| 92025 | Escondido | 50,046 |
| 92024 | Encinitas | 50,030 |
| 92084 | Vista | 49,533 |
| 92058 | Oceanside | 49,189 |
| 92113 | San Diego | 49,047 |
| 92064 | Poway | 48,555 |
| 92128 | San Diego | 48,492 |
| 92101 | San Diego | 48,163 |
| 92104 | San Diego | 46,912 |
| 92069 | San Marcos | 46,825 |
| 92040 | Lakeside | 45,978 |
| 92111 | San Diego | 45,888 |
| 92019 | El Cajon | 45,801 |
| 92009 | Carlsbad | 45,778 |
| 92122 | San Diego | 45,437 |
| 92109 | San Diego | 44,456 |
| 91942 | La Mesa | 40,920 |
| 92037 | La Jolla | 39,284 |
| 92102 | San Diego | 39,001 |
| 92083 | Vista | 37,957 |
| 92054 | Oceanside | 37,546 |
| 92672 | San Clemente | 37,470 |
| 92065 | Ramona | 37,397 |
| 92131 | San Diego | 35,831 |
| 91915 | Chula Vista | 35,385 |
| 92103 | San Diego | 34,817 |
| 92139 | San Diego | 34,780 |
| 91941 | La Mesa | 33,706 |
| 92123 | San Diego | 32,999 |
| 92120 | San Diego | 31,797 |
| 92116 | San Diego | 31,484 |
| 92110 | San Diego | 31,186 |
| 92124 | San Diego | 31,032 |
| 92107 | San Diego | 29,789 |
| 92081 | Vista | 29,596 |
| 92008 | Carlsbad | 27,707 |
| 91945 | Lemon Grove | 27,531 |
| 92173 | San Ysidro | 26,507 |
| 91932 | Imperial Beach | 25,897 |
| 92119 | San Diego | 24,868 |
| 92108 | San Diego | 24,401 |
| 92011 | Carlsbad | 23,715 |
| 92106 | San Diego | 20,863 |
| 92082 | Valley Center | 20,596 |
| 92029 | Escondido | 20,296 |
| 92118 | Coronado | 18,495 |
| 91901 | Alpine | 18,300 |
| 91902 | Bonita | 17,445 |
| 92010 | Carlsbad | 17,300 |
| 91914 | Chula Vista | 17,036 |
| 92014 | Del Mar | 13,260 |
| 92075 | Solana Beach | 11,996 |
| 92007 | Cardiff By The Sea | 11,764 |
| 92055 | Camp Pendleton | 11,181 |
| 91978 | Spring Valley | 10,511 |
| 91935 | Jamul | 9,466 |
| 92136 | San Diego | 8,774 |
| 92067 | Rancho Santa Fe | 8,245 |
| 92003 | Bonsall | 4,978 |
| 92121 | San Diego | 4,157 |
| 92093 | La Jolla | 4,090 |
| 91906 | Campo | 3,375 |
| 92036 | Julian | 3,128 |
| 92179 | San Diego | 3,034 |
| 92004 | Borrego Springs | 3,030 |
| 92145 | San Diego | 2,583 |
| 92140 | San Diego | 2,490 |
| 91962 | Pine Valley | 2,457 |
| 91916 | Descanso | 1,757 |
| 92061 | Pauma Valley | 1,693 |
| 91905 | Boulevard | 1,466 |
| 92059 | Pala | 1,449 |
| 92086 | Warner Springs | 1,410 |
| 91934 | Jacumba | 1,265 |
| 92091 | Rancho Santa Fe | 1,215 |
| 92135 | San Diego | 1,013 |
| 92092 | La Jolla | 985 |
| 91917 | Dulzura | 889 |
| 92070 | Santa Ysabel | 749 |
| 91931 | Guatay | 735 |
| 91963 | Potrero | 617 |
| 92060 | Palomar Mountain | 591 |
| 92066 | Ranchita | 314 |
| 92134 | San Diego | 295 |
| 92147 | San Diego | 172 |
| 91980 | Tecate | 157 |
| 92155 | San Diego | 141 |
| 91948 | Mount Laguna | 123 |
| 92161 | San Diego | 24 |
| 92096 | San Marcos | 0 |
| 92132 | San Diego | 0 |
| 92182 | San Diego | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 115 ZCTAs in San Diego County, California (US Census).