17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 95076 | Watsonville | 83,716 |
| 95060 | Santa Cruz | 46,527 |
| 95062 | Santa Cruz | 36,369 |
| 95003 | Aptos | 24,977 |
| 95066 | Scotts Valley | 15,233 |
| 95073 | Soquel | 11,408 |
| 95033 | Los Gatos | 9,853 |
| 95064 | Santa Cruz | 9,832 |
| 95010 | Capitola | 9,243 |
| 95006 | Boulder Creek | 8,802 |
| 95065 | Santa Cruz | 8,125 |
| 95005 | Ben Lomond | 7,552 |
| 95018 | Felton | 6,055 |
| 95019 | Freedom | 5,891 |
| 95017 | Davenport | 907 |
| 95041 | Mount Hermon | 803 |
| 95007 | Brookdale | 359 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Santa Cruz County, California (US Census).