Harts is a census-designated place at the mouth of Big Harts Creek in Lincoln County, West Virginia, United States, situated along the Guyandotte River. As of the 2010 census, its population was 656. Harts is a part of the Huntington-Ashland, WV-KY-OH, Metropolitan Statistical Area. The Harts CDP includes the unincorporated communities of Harts, Atenville, Ferrellsburg, and Sand Creek.