Soddy-Daisy is a city in Hamilton County, Tennessee, United States. The population was 12,714 at the 2010 census and estimated to be 13,217 in 2016. The city was formed in 1969 when the communities of Soddy (to the north) and Daisy (to the south), along with nearby developed areas along U.S. Highway 27, merged to form Soddy-Daisy. It is becoming a bedroom community of nearby Chattanooga and is part of the Chattanooga Metropolitan Statistical Area. Sequoyah Nuclear Generating Station is located in Soddy-Daisy.