17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 95076 | Watsonville | 82,409 |
| 95060 | Santa Cruz | 46,024 |
| 95062 | Santa Cruz | 36,047 |
| 95003 | Aptos | 24,708 |
| 95066 | Scotts Valley | 15,369 |
| 95073 | Soquel | 11,487 |
| 95033 | Los Gatos | 9,884 |
| 95064 | Santa Cruz | 9,883 |
| 95010 | Capitola | 8,697 |
| 95006 | Boulder Creek | 8,433 |
| 95065 | Santa Cruz | 8,031 |
| 95005 | Ben Lomond | 7,150 |
| 95018 | Felton | 6,377 |
| 95019 | Freedom | 6,235 |
| 95041 | Mount Hermon | 846 |
| 95017 | Davenport | 738 |
| 95007 | Brookdale | 335 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Santa Cruz County, California (US Census).