Zip Code | City | Population |
|---|---|---|
| 93458 | Santa Maria | 59,789 |
| 93436 | Lompoc | 55,591 |
| 93117 | Goleta | 53,345 |
| 93455 | Santa Maria | 44,186 |
| 93454 | Santa Maria | 41,110 |
| 93101 | Santa Barbara | 29,870 |
| 93105 | Santa Barbara | 26,482 |
| 93103 | Santa Barbara | 19,653 |
| 93111 | Santa Barbara | 18,165 |
| 93013 | Carpinteria | 16,459 |
| 93110 | Santa Barbara | 16,403 |
| 93109 | Santa Barbara | 11,626 |
| 93108 | Santa Barbara | 11,209 |
| 93434 | Guadalupe | 8,272 |
| 93463 | Solvang | 8,059 |
| 93460 | Santa Ynez | 6,280 |
| 93427 | Buellton | 5,980 |
| 93106 | Santa Barbara | 5,369 |
| 93437 | Lompoc | 3,681 |
| 93441 | Los Olivos | 1,085 |
| 93067 | Summerland | 999 |
| 93254 | New Cuyama | 869 |
| 93440 | Los Alamos | 846 |
| 93429 | Casmalia | 64 |