Carthage is a town in Franklin County, Maine, United States. The population was 509 at the 2020 census.
Carthage Historical Society building
Franklin County is a county located in the state of Maine, United States. As of the 2020 census, the population was 29,456, making it the second-least populous county in Maine. Its county seat is Farmington. The county was established on May 9, 1838, and named for Benjamin Franklin.
Franklin County Courthouse
Smalls Falls Rest Area on Route 4 just south of Rangeley, Maine