Harts is a census-designated place (CDP) at the mouth of Big Harts Creek in Lincoln County, West Virginia, United States, situated along the Guyandotte River. As of the 2020 census, its population was 573 (down from 656 at the 2010 census). Harts is a part of the Huntington-Ashland, WV-KY-OH, Metropolitan Statistical Area (MSA). The Harts CDP includes the unincorporated communities of Harts, Atenville, Ferrellsburg, and Sand Creek.