30 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 95206 | Stockton | 68,558 |
| 95376 | Tracy | 54,488 |
| 95207 | Stockton | 52,414 |
| 95240 | Lodi | 50,517 |
| 95336 | Manteca | 50,185 |
| 95337 | Manteca | 48,731 |
| 95209 | Stockton | 47,409 |
| 95210 | Stockton | 41,549 |
| 95205 | Stockton | 39,608 |
| 95377 | Tracy | 37,739 |
| 95330 | Lathrop | 35,395 |
| 95219 | Stockton | 31,713 |
| 95204 | Stockton | 31,035 |
| 95212 | Stockton | 28,437 |
| 95242 | Lodi | 28,427 |
| 95215 | Stockton | 24,847 |
| 95366 | Ripon | 18,954 |
| 95203 | Stockton | 15,930 |
| 95304 | Tracy | 15,841 |
| 95320 | Escalon | 13,500 |
| 95220 | Acampo | 7,931 |
| 95202 | Stockton | 7,066 |
| 95236 | Linden | 4,490 |
| 95258 | Woodbridge | 4,144 |
| 95231 | French Camp | 3,896 |
| 95237 | Lockeford | 3,639 |
| 95686 | Thornton | 1,171 |
| 95227 | Clements | 910 |
| 95211 | Stockton | 765 |
| 95253 | Victor | 609 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 30 ZCTAs in San Joaquin County, California (US Census).