Pleasant Valley is a census-designated place (CDP) in the town of Barkhamsted, Litchfield County, Connecticut, United States. As of the 2020 census, Pleasant Valley had a population of 161. It is in the southern part of the town, on the west side of the West Branch of the Farmington River.
Pleasant Valley was first listed as a CDP prior to the 2020 census.
It is in the Barkhamsted School District.