East Haddam, Connecticut | |
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 View of the Goodspeed Opera House (left) and Gelston House (right) from the Connecticut River | |
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| Coordinates: 41°28′47″N 72°23′40″W / 41.47972°N 72.39444°W | |
| Country | United States |
| U.S. state | Connecticut |
| County | Middlesex |
| Region | Lower CT River Valley |
| Incorporated | 1734 |
| Government | |
| • Type | Selectman–town meeting |
| • First selectman | Irene M. Haines (R) |
| Area | |
• Total | 56.6 sq mi (146.6 km2) |
| • Land | 54.3 sq mi (140.7 km2) |
| • Water | 2.2 sq mi (5.8 km2) |
| Elevation | 535 ft (163 m) |
| Population (2020) | |
• Total | 8,875 |
| • Density | 163.4/sq mi (63.1/km2) |
| Demonym | East Haddamite |
| Time zone | UTC-5 (Eastern) |
| • Summer (DST) | UTC-4 (Eastern) |
| ZIP code | 06423, 06469 |
| Area code(s) | 860/959 |
| FIPS code | 09-22280 |
| GNIS feature ID | 0213422[1] |
| Website | www |
East Haddam is a town in Middlesex County, Connecticut, United States. The town is part of the Lower Connecticut River Valley Planning Region. The population was 8,875 at the time of the 2020 census.[2]