Hartland is a town in Hartford County, Connecticut, United States. The population was 1,901 at the 2020 census. The rural town is part of the Northwest Hills Planning Region and forms the northwestern border of Hartford County. Currently, the town consists of two unincorporated areas, East and West Hartland, entirely separated by the northern portion of the Barkhamsted Reservoir. A third area, Hartland Hollow, was flooded when the reservoir was completed in 1940.