30 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 95206 | Stockton | 67,501 |
| 95376 | Tracy | 54,853 |
| 95207 | Stockton | 52,441 |
| 95240 | Lodi | 50,682 |
| 95336 | Manteca | 49,357 |
| 95209 | Stockton | 46,567 |
| 95337 | Manteca | 46,157 |
| 95210 | Stockton | 42,103 |
| 95205 | Stockton | 39,154 |
| 95377 | Tracy | 36,182 |
| 95330 | Lathrop | 33,015 |
| 95219 | Stockton | 31,200 |
| 95204 | Stockton | 31,028 |
| 95212 | Stockton | 28,013 |
| 95242 | Lodi | 27,860 |
| 95215 | Stockton | 26,032 |
| 95366 | Ripon | 18,440 |
| 95203 | Stockton | 16,628 |
| 95304 | Tracy | 14,818 |
| 95320 | Escalon | 13,511 |
| 95220 | Acampo | 7,958 |
| 95202 | Stockton | 6,426 |
| 95236 | Linden | 4,506 |
| 95231 | French Camp | 4,339 |
| 95258 | Woodbridge | 3,868 |
| 95237 | Lockeford | 3,753 |
| 95211 | Stockton | 1,190 |
| 95686 | Thornton | 1,123 |
| 95227 | Clements | 1,036 |
| 95253 | Victor | 526 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 30 ZCTAs in San Joaquin County, California (US Census).