New Hartford is a town in Litchfield County, Connecticut, United States. The population was 6,658 at the 2020 census. The town is part of the Northwest Hills Planning Region. The town center is defined by the U.S. Census Bureau as the New Hartford Center census-designated place. The town is mainly a rural community consisting of farms, homes, and parks. Brodie Park and Ski Sundown are located in New Hartford.