The district was incorporated as the Town of Pepperellborough in 1775. Inhabitants found the name to be cumbersome, so in 1805 it was renamed Saco. It would be incorporated as a city in 1867. Saco became a center for lumbering, with log drives down the river from Little Falls Plantation (now Dayton, Lyman, Hollis and part of Limington). At Saco Falls, the timber was cut by 17 sawmills. In 1827, the community produced of sawn lumber, some of which was used for shipbuilding.