Sharon is a town in Litchfield County, Connecticut, United States, in the northwest corner of the state. At the time of the 2020 census, the town had a total population of 2,680. The town is part of the Northwest Hills Planning Region. The ZIP code for Sharon is 06069. The urban center of the town is the Sharon census-designated place, with a population of 729 at the …Sharon is a town in Litchfield County, Connecticut, United States, in the northwest corner of the state. At the time of the 2020 census, the town had a total population of 2,680. The town is part of the Northwest Hills Planning Region. The ZIP code for Sharon is 06069. The urban center of the town is the Sharon census-designated place, with a population of 729 at the 2010 census.