Acton is a town in York County, Maine, United States. The population was 2,671 at the 2020 census. It includes the villages of Acton, Miller Corner and South Acton. The town is home to the Acton Fairg

York County is the southernmost county in the U.S. state of Maine, along the state of New Hampshire's eastern border. It is divided from Strafford County, New Hampshire, by the Salmon Falls River and