Identifiers: city · CDP
| Rank | Community | Population |
|---|---|---|
| 1 | San Jose (city), CA | 1,013,240 |
| 2 | Gilroy (city), CA | 59,520 |
| 3 | Watsonville (city), CA | 52,590 |
| 4 | Morgan Hill (city), CA | 45,483 |
| 5 | Hollister (city), CA | 41,678 |
| 6 | Prunedale (CDP), CA | 18,885 |
| 7 | Castroville (CDP), CA | 7,515 |
| 8 | Interlaken (CDP), CA | 7,368 |
| 9 | San Martin (CDP), CA | 7,008 |
| 10 | Ridgemark (CDP), CA | 3,212 |
| 11 | Las Lomas (CDP), CA | 3,046 |
| 12 | Pajaro (CDP), CA | 2,882 |
| 13 | Aromas (CDP), CA | 2,708 |
| 14 | San Juan Bautista (city), CA | 2,089 |
| 15 | Boronda (CDP), CA | 1,760 |
| 16 | Elkhorn (CDP), CA | 1,588 |
| 17 | Tres Pinos (CDP), CA | 443 |