Hadley is a town located in Hampshire County, in the state of Massachusetts (MA), United States. Nestled in the New England division of the North-east region, it covers an area of 23.3 square miles (60.0 km²) and sits at an elevation of 129 ft. With a population of approximately 4,793 residents, Hadley offers a peaceful, rural atmosphere.
The town's population is composed of about 46.94% males and 53.06% females, and it has a population density of 205.71 people per square mile (79.42/km²). Hadley lies at a latitude of 42.36 and a longitude of -72.57, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (13.4%), German (6.3%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 01035.