Hendersonville is the largest city in Sumner County, Tennessee, on Old Hickory Lake. The population was 61,753 at the 2020 census.Hendersonville is the fourth-largest city in the Nashville metropolitan area after Nashville, Murfreesboro, and Franklin and the 10th largest in Tennessee. Hendersonville is located 18 miles northeast of downtown Nashville. The city was settled around 1784 by Daniel Smith, whose house Rock Castle, completed in 1796, is maintained as an historic site.
The city is named for William Henderson, the first postmaster here.Numerous 20th-century musicians in the Nashville area lived in Hendersonville, especially some associated with country music. These include Johnny Cash and his wife June Carter Cash, and Roy Orbison. The city's main road, Johnny Cash Parkway, is named for the late singer.
Other notable past and present residents include Conway Twitty.