Perry is a town in Washington County, Maine, United States, on the Canada–United States border. At the 2020 census, the town had a population of 802. Once part of Plantation T1 TS, the area was settled in 1758 by John Frost, who built a trading post beside the St. Croix River. Situated on Passamaquoddy Bay, the town was incorporated on Feb…Perry is a town in Washington County, Maine, United States, on the Canada–United States border. At the 2020 census, the town had a population of 802. Once part of Plantation T1 TS, the area was settled in 1758 by John Frost, who built a trading post beside the St. Croix River. Situated on Passamaquoddy Bay, the town was incorporated on February 12, 1818, even as the British held Eastport 6 miles away. It was named after Commodore Oliver Hazard Perry, hero of the War of 1812. Part of the community lies within the Pleasant Point Passamaquoddy Indian Reservation.