100 Smallest ZIP Codes in the United States by Population in San Diego County, California
Explore the 100 smallest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in San Diego County, California.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 92161 | SAN DIEGO | CA | 12 |
| 2 | 91980 | TECATE | CA | 103 |
| 3 | 91948 | MOUNT LAGUNA | CA | 104 |
| 4 | 92147 | SAN DIEGO | CA | 180 |
| 5 | 92155 | SAN DIEGO | CA | 196 |
| 6 | 92134 | SAN DIEGO | CA | 241 |
| 7 | 92066 | RANCHITA | CA | 319 |
| 8 | 92060 | PALOMAR MOUNTAIN | CA | 506 |
| 9 | 92092 | LA JOLLA | CA | 521 |
| 10 | 91963 | POTRERO | CA | 624 |
| 11 | 91931 | GUATAY | CA | 749 |
| 12 | 92070 | SANTA YSABEL | CA | 761 |
| 13 | 91917 | DULZURA | CA | 851 |
| 14 | 92135 | SAN DIEGO | CA | 1,095 |
| 15 | 91934 | JACUMBA | CA | 1,251 |
| 16 | 92091 | RANCHO SANTA FE | CA | 1,288 |
| 17 | 92086 | WARNER SPRINGS | CA | 1,409 |
| 18 | 91905 | BOULEVARD | CA | 1,411 |
| 19 | 92059 | PALA | CA | 1,456 |
| 20 | 92061 | PAUMA VALLEY | CA | 1,677 |
| 21 | 91916 | DESCANSO | CA | 1,833 |
| 22 | 92093 | LA JOLLA | CA | 2,044 |
| 23 | 91962 | PINE VALLEY | CA | 2,528 |
| 24 | 92140 | SAN DIEGO | CA | 2,807 |
| 25 | 92145 | SAN DIEGO | CA | 2,810 |
| 26 | 92179 | SAN DIEGO | CA | 3,031 |
| 27 | 92036 | JULIAN | CA | 3,075 |
| 28 | 92004 | BORREGO SPRINGS | CA | 3,200 |
| 29 | 92121 | SAN DIEGO | CA | 4,150 |
| 30 | 91906 | CAMPO | CA | 4,281 |
| 31 | 92003 | BONSALL | CA | 4,404 |
| 32 | 92067 | RANCHO SANTA FE | CA | 9,186 |
| 33 | 91935 | JAMUL | CA | 9,320 |
| 34 | 92136 | SAN DIEGO | CA | 9,630 |
| 35 | 92055 | CAMP PENDLETON | CA | 10,618 |
| 36 | 91978 | SPRING VALLEY | CA | 11,006 |
| 37 | 92007 | CARDIFF BY THE SEA | CA | 11,939 |
| 38 | 92075 | SOLANA BEACH | CA | 12,072 |
| 39 | 92014 | DEL MAR | CA | 12,532 |
| 40 | 92010 | CARLSBAD | CA | 16,566 |
| 41 | 91902 | BONITA | CA | 17,121 |
| 42 | 91914 | CHULA VISTA | CA | 17,373 |
| 43 | 92118 | CORONADO | CA | 17,602 |
| 44 | 91901 | ALPINE | CA | 18,669 |
| 45 | 92029 | ESCONDIDO | CA | 19,986 |
| 46 | 92106 | SAN DIEGO | CA | 20,483 |
| 47 | 92082 | VALLEY CENTER | CA | 20,678 |
| 48 | 92108 | SAN DIEGO | CA | 24,201 |
| 49 | 92119 | SAN DIEGO | CA | 24,419 |
| 50 | 92011 | CARLSBAD | CA | 24,472 |
| 51 | 91932 | IMPERIAL BEACH | CA | 26,157 |
| 52 | 92008 | CARLSBAD | CA | 27,373 |
| 53 | 91945 | LEMON GROVE | CA | 27,541 |
| 54 | 92173 | SAN YSIDRO | CA | 28,609 |
| 55 | 92107 | SAN DIEGO | CA | 29,435 |
| 56 | 92081 | VISTA | CA | 29,475 |
| 57 | 92120 | SAN DIEGO | CA | 30,241 |
| 58 | 92110 | SAN DIEGO | CA | 30,773 |
| 59 | 92124 | SAN DIEGO | CA | 31,121 |
| 60 | 92116 | SAN DIEGO | CA | 31,836 |
| 61 | 92123 | SAN DIEGO | CA | 32,951 |
| 62 | 91941 | LA MESA | CA | 33,602 |
| 63 | 92103 | SAN DIEGO | CA | 34,296 |
| 64 | 92139 | SAN DIEGO | CA | 34,930 |
| 65 | 92131 | SAN DIEGO | CA | 35,227 |
| 66 | 91915 | CHULA VISTA | CA | 35,608 |
| 67 | 92065 | RAMONA | CA | 36,836 |
| 68 | 92054 | OCEANSIDE | CA | 37,050 |
| 69 | 92037 | LA JOLLA | CA | 37,665 |
| 70 | 92083 | VISTA | CA | 37,864 |
| 71 | 92102 | SAN DIEGO | CA | 40,051 |
| 72 | 91942 | LA MESA | CA | 40,995 |
| 73 | 92109 | SAN DIEGO | CA | 44,009 |
| 74 | 92040 | LAKESIDE | CA | 45,906 |
| 75 | 92019 | EL CAJON | CA | 45,937 |
| 76 | 92122 | SAN DIEGO | CA | 45,988 |
| 77 | 92101 | SAN DIEGO | CA | 46,025 |
| 78 | 92009 | CARLSBAD | CA | 46,334 |
| 79 | 92104 | SAN DIEGO | CA | 46,613 |
| 80 | 92069 | SAN MARCOS | CA | 46,648 |
| 81 | 92111 | SAN DIEGO | CA | 47,710 |
| 82 | 92058 | OCEANSIDE | CA | 48,272 |
| 83 | 92064 | POWAY | CA | 48,783 |
| 84 | 92128 | SAN DIEGO | CA | 49,273 |
| 85 | 92084 | VISTA | CA | 49,971 |
| 86 | 92024 | ENCINITAS | CA | 50,222 |
| 87 | 92025 | ESCONDIDO | CA | 50,270 |
| 88 | 92113 | SAN DIEGO | CA | 50,983 |
| 89 | 92127 | SAN DIEGO | CA | 51,107 |
| 90 | 92028 | FALLBROOK | CA | 51,135 |
| 91 | 92129 | SAN DIEGO | CA | 52,495 |
| 92 | 92078 | SAN MARCOS | CA | 53,019 |
| 93 | 92026 | ESCONDIDO | CA | 53,053 |
| 94 | 92056 | OCEANSIDE | CA | 54,190 |
| 95 | 92117 | SAN DIEGO | CA | 54,499 |
| 96 | 92027 | ESCONDIDO | CA | 55,750 |
| 97 | 91913 | CHULA VISTA | CA | 56,102 |
| 98 | 92130 | SAN DIEGO | CA | 57,363 |
| 99 | 91950 | NATIONAL CITY | CA | 57,844 |
| 100 | 92057 | OCEANSIDE | CA | 58,022 |