Waterboro is a town in York County, Maine, United States. The population was 7,936 at the 2020 census. It is part of the Portland-South Portland-Biddeford metropolitan area.

East Waterboro is an unincorporated village in the town of Waterboro, York County, Maine, United States. The community is located at the junction of U.S. Route 202, Maine State Route 4, and Maine Stat