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.

Farmington is a town in and the county seat of Franklin County, Maine, United States. As of the 2020 census, its population was 7,592. Farmington is home to the University of Maine at Farmington, Nordica Memorial Auditorium, the Nordica Homestead, and the annual Farmington Fair.