Hanson is a town in Plymouth County, Massachusetts, United States. The population was 10,209 at the 2010 census.According to the United States Census Bureau, the town has a total area of 15.7 square miles (40.6 km2), of which 15.0 square miles (38.9 km2) is land and 0.66 square miles (1.7 km2), or 4.21%, is water.
Hanson was first settled in 1632 as the western parish of Pembroke. The town was officially incorporated in 1820, and was named for Maryland newspaper publisher and U.S. Senator Alexander Contee Hanson. The town's early industry revolved around farming, as well as bog iron and quarrying. Mills also popped up along the rivers during the nineteenth century. Today the town is mostly residential, with some farming and cranberry farming. Ocean Spray was first started by several bogs in Hanson, and remained headquartered in Hanson before moving to Plymouth in the 1970s.