Boone County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 21,809. Its county seat is Madison. Boone County is part of the Charleston, WV Metropolitan Statistical Area. Leading industries and chief agricultural products in Boone County include coal, lumber, natural gas, tobacco, and strawberries.

Kanawha County is a county in the U.S. state of West Virginia. As of the 2020 census, the population was 180,745, making it West Virginia's most populous county. The county seat is Charleston, which is also the state capital and most populous city. Kanawha County is part of the Charleston, WV Metropolitan Statistical Area.