Ardmore is a town in Limestone County, Alabama, United States, and is included in the Huntsville-Decatur Metro Area. It is home to the Saturn 1B Rocket, at the Alabama Welcome Center, just south of the Tennessee border, on Interstate 65. As of the 2010 census, the population of the town is 1,194. According to the 2005 U.S. Census estimates, the town had a population of 1,106.It borders its sister city of Ardmore, Tennessee.
The settlement was originally named Austin, after Alex Austin, who selected the location as a site for a station along the Louisville and Nashville Railroad. The railroad company later renamed the town Ardmore, for the community of Ardmore, Pennsylvania. Ardmore, Alabama was incorporated in 1922.