Norwell is a town in Plymouth County, Massachusetts, United States. The population was 11,351 at the 2020 United States census. The town's southeastern border runs along the North River.

Plymouth County is a county in the U.S. state of Massachusetts, south of Boston. As of the 2020 census, the population was 530,819. Its county seats are Plymouth and Brockton. In 1685, the county was created by the Plymouth General Court, the legislature of Plymouth Colony, predating its annexation by the Massachusetts Bay Colony.