Whitinsville is an unincorporated village within the town of Northbridge in Worcester County, Massachusetts,United States. Whitinsville is a census-designated place (CDP) and its population was 6,704 at the 2010 census.
This village was originally Nipmuc Indian lands, and was first settled as part of Mendon in 1662. From 1662 to 1727 it was part of Mendon, then later it became part of Uxbridge from 1727 to 1772. In 1772 Northbridge finally became a separate town. The village's early name was "South Northbridge", before the Whitin family's rise to prominence. Col. John Spring led a militia training company from Uxbridge which fought in the American Revolution. Col. Spring was from the section that became South Northbridge.Today a visitor can see much of the original village, including the housing for workers and their families, churches, and the Whitin Community Center. The textile machine company and industrial village were written up as one of the Harvard studies of history in business.A 1936 Berlin Olympics champion backstroke swimmer, Alice Bridges, then of Uxbridge, trained in the local gym pool (Whitin Community Center) in Whitinsville. The Whitinsville Savings Bank was involved in a precedent-setting case in the U.S., involving tort and contract law, known as "Swinton vs. Whitinsville Savings Bank (1942)". A real estate transaction two years earlier had failed to disclose termites in a building.