Hendersonville is the largest city in Sumner County, Tennessee, on Old Hickory Lake. The population was 51,372 at the 2010 census and 54,068 according 2013 estimates. Hendersonville is the fourth-largest city in the Nashville metropolitan area after Nashville, Murfreesboro, and Franklin and the 11th largest in Tennessee. Hendersonville is located 18 miles northeast of downtown Nashville. The city was settled around 1784 by Daniel Smith, and is named for William Henderson.