Renfro Valley is a neighborhood located just off Interstate 75 in Mount Vernon, a city in Rockcastle County, Kentucky, United States. The community of Renfro Valley (which has its own United States Post Office, zip code 40473) includes the Renfro Valley Entertainment Center. Since being founded by local area native John Lair and others in 1939, Renfro Valley Entertainment Center has hosted the Renfro Valley Barn Dance, a traditional country music show which gave entertainers such as Hank Snow, Hank Williams, Red Foley, and Homer and Jethro the spotlight early in their careers.