Pembroke is an historic town in Plymouth County, Massachusetts, United States. Pembroke is a South Shore suburb of the Boston metropolitan area. The town is located approximately halfway between Boston and Cape Cod. The town is considered rural in character, with pockets of suburban neighborhoods. The population was 18,361 at the 2020 census, with a median household income of $119,827.

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.