These maps were created by the Population Reference Bureau for the Appalachian Regional Commission in June 2020. Figure 5.14 was revised in April 2021. The maps are in the public domain and may be reproduced without permission. The following citation is suggested when reproducing the maps: "Created by the Population Reference Bureau for the Appalachian Regional Commission, June 2020.

For more information you may telephone ARC at 202-884-7700, or send email to info@arc.gov.