24 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 93458 | Santa Maria | 59,126 |
| 93436 | Lompoc | 55,834 |
| 93117 | Goleta | 52,225 |
| 93455 | Santa Maria | 44,350 |
| 93454 | Santa Maria | 41,710 |
| 93101 | Santa Barbara | 30,496 |
| 93105 | Santa Barbara | 25,055 |
| 93103 | Santa Barbara | 19,803 |
| 93111 | Santa Barbara | 18,234 |
| 93110 | Santa Barbara | 16,385 |
| 93013 | Carpinteria | 16,348 |
| 93108 | Santa Barbara | 11,664 |
| 93109 | Santa Barbara | 11,069 |
| 93434 | Guadalupe | 8,451 |
| 93463 | Solvang | 8,099 |
| 93460 | Santa Ynez | 6,425 |
| 93427 | Buellton | 5,866 |
| 93106 | Santa Barbara | 5,613 |
| 93437 | Lompoc | 3,688 |
| 93067 | Summerland | 993 |
| 93441 | Los Olivos | 990 |
| 93440 | Los Alamos | 896 |
| 93254 | New Cuyama | 794 |
| 93429 | Casmalia | 129 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 24 ZCTAs in Santa Barbara County, California (US Census).