Odenville is a city in St. Clair County, Alabama, United States. It incorporated in 1914. At the 2010 census the population was 3,585, up from 1,131 in 2000. It annexed the former town of Branchville in 2007. Odenville annexed a portion of Springville in 2015 due to Springville not running water to some of its residences.