Southbridge is a cdp located in Worcester 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 20.4 square miles (53.0 km²) and sits at an elevation of 489 ft. With a population of approximately 12,878 residents, Southbridge offers a vibrant community life.
The town's population is composed of about 64.35% males and 35.65% females, and it has a population density of 631.27 people per square mile (243.74/km²). Southbridge lies at a latitude of 42.07 and a longitude of -72.04, operating in the UTC-5.
Locals reflect a blend of American ancestry, with roots primarily in United States (0%), followed by English (6.9%), German (0%), and Scotch-Irish (0%) heritage. The town is identified by the ZIP code 01550.