Marlborough is a town located in Hartford 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 23.3 square miles (60.0 km²) and sits at an elevation of 508 ft. With a population of approximately 5,709 residents, Marlborough offers a peaceful, rural atmosphere.
The town's population is composed of about 49.92% males and 50.08% females, and it has a population density of 245.02 people per square mile (94.60/km²). Marlborough lies at a latitude of 41.64 and a longitude of -72.46, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (17.9%), German (11.4%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 06447.