Farmington is a town in Hartford County in the Farmington Valley area of central Connecticut in the United States. The town is part of the Capitol Planning Region. The population was 26,712 at the 2020 census. It sits 10 miles west of Hartford at the hub of major I-84 interchanges, 20 miles south of Bradley International Airport and two hours by car from New …Farmington is a town in Hartford County in the Farmington Valley area of central Connecticut in the United States. The town is part of the Capitol Planning Region. The population was 26,712 at the 2020 census. It sits 10 miles west of Hartford at the hub of major I-84 interchanges, 20 miles south of Bradley International Airport and two hours by car from New York City and Boston. It has been home to the world headquarters of several large corporations including Otis Elevator Company, United Technologies, and Carvel. The northwestern section of Farmington is a suburban neighborhood called Unionville.