24 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 93458 | Santa Maria | 59,148 |
| 93436 | Lompoc | 55,820 |
| 93117 | Goleta | 52,934 |
| 93455 | Santa Maria | 44,611 |
| 93454 | Santa Maria | 41,896 |
| 93101 | Santa Barbara | 31,554 |
| 93105 | Santa Barbara | 24,437 |
| 93103 | Santa Barbara | 19,382 |
| 93111 | Santa Barbara | 18,274 |
| 93013 | Carpinteria | 16,317 |
| 93110 | Santa Barbara | 15,436 |
| 93108 | Santa Barbara | 11,526 |
| 93109 | Santa Barbara | 10,915 |
| 93434 | Guadalupe | 8,603 |
| 93463 | Solvang | 8,130 |
| 93460 | Santa Ynez | 6,039 |
| 93427 | Buellton | 5,737 |
| 93106 | Santa Barbara | 5,418 |
| 93437 | Lompoc | 3,477 |
| 93440 | Los Alamos | 1,185 |
| 93441 | Los Olivos | 1,134 |
| 93067 | Summerland | 1,101 |
| 93254 | New Cuyama | 707 |
| 93429 | Casmalia | 99 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 24 ZCTAs in Santa Barbara County, California (US Census).