| Official Zip Code Name | South Plainfield |
| Zip Code State | New Jersey |
| Primary County: | Middlesex |
| Area Code | 732/908 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 77 ft. |
| Area | 8.221 Sqm. |
| Coordinates(Y,X) | 40.572382, -74.413516 |