| Official Zip Code Name | Caldwell |
| Zip Code State | New Jersey |
| Primary County: | Essex |
| Area Code | 973/201/862 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 203 ft. |
| Area | 9.343 Sqm. |
| Coordinates(Y,X) | 40.854771, -74.284949 |