| Official Zip Code Name | East Haddam |
| Zip Code State | Connecticut |
| Primary County: | Middlesex |
| Area Code | 860/959 |
| Current Population: | 37081 |
| Racial Majority: | White 62.49% |
| Median Household Income | $55618 |
| Average Adjusted Gross Income | $89060 |
| Time Zone: | 5 |
| Elevation Range | 472 ft. |
| Area | 36.567 Sqm. |
| Coordinates(Y,X) | 41.475914, -72.391838 |