Founded in 1850, San Joaquin County is one of 58 counties in the state of California. The city of Stockton is the county seat. With FIPS code of 77, San Joaquin County has a population of 789,410 and area of 1,399 square miles (3,623 km2).
List of all cities in San Joaquin County, CA alphabetically
| City/Town | Postal Code | Area Code |
| Acampo, CA | 95220 | 209 |
| Banta, CA | 95304 | 209 |
| Clements, CA | 95227 | 209 |
| Defense Dist Region, CA | 95296 | 209 |
| Escalon, CA | 95320 | 209 |
| Farmington, CA | 95230 | 209 |
| French Camp, CA | 95231 | 209 |
| Holt, CA | 95234 | 209 |
| Lathrop, CA | 95330 | 209 |
| Linden, CA | 95236 | 209 |
| Lockeford, CA | 95237 | 209 |
| Lodi, CA | 95240 | 209 |
| 95241 | 209 | |
| 95242 | 209 | |
| Lyoth, CA | 95296 | 209 |
| Manteca, CA | 95336 | 209 |
| 95337 | 209 | |
| Morada, CA | 95212 | 209 |
| Mountain House, CA | 95391 | 209 |
| Ripon, CA | 95366 | 209 |
| Stockton, CA | 95201 | 209 |
| 95202 | 209 | |
| 95203 | 209 | |
| 95204 | 209 | |
| 95205 | 209 | |
| 95206 | 209 | |
| 95207 | 209 | |
| 95208 | 209 | |
| 95209 | 209 | |
| 95210 | 209 | |
| 95211 | 209 | |
| 95212 | 209 | |
| 95213 | 209 | |
| 95215 | 209 | |
| 95219 | 209 | |
| 95267 | 209 | |
| 95269 | 209 | |
| 95296 | 209 | |
| 95297 | 209 | |
| Stockton Brm Zip, CA | 95297 | 209 |
| Thornton, CA | 95686 | 209 |
| Tracy, CA | 95304 | 209 |
| 95376 | 209 | |
| 95377 | 209 | |
| 95378 | 209 | |
| 95385 | 209 | |
| 95391 | 209 | |
| University of the Pacific, CA | 95211 | 209 |
| Vernalis, CA | 95385 | 209 |
| Victor, CA | 95253 | 209 |
| Woodbridge, CA | 95258 | 209 |
Map of Cities in San Joaquin County, CA
