Haddam is a town located in Middlesex County, in the state of Connecticut (CT), United States. Nestled in the New England division of the North-east region, it covers an area of 54.3 square miles (141.0 km²) and sits at an elevation of 35 ft. With a population of approximately 8,333 residents, Haddam offers a peaceful, rural atmosphere.
The town's population is composed of about 50.03% males and 49.97% females, and it has a population density of 153.46 people per square mile (59.25/km²). Haddam lies at a latitude of 41.49 and a longitude of -72.41, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (19.6%), German (14.8%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 06423.