Signal Mountain is a town in Hamilton County,

Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...

, United States. The town is a suburb of

Chattanooga Chattanooga ( ) is a city in and the county seat of Hamilton County, Tennessee, United States. Located along the Tennessee River bordering Georgia, it also extends into Marion County on its western end. With a population of 181,099 in 2020, ...

and is located on Walden Ridge. "Signal Mountain" is used as a colloquial name for the part of Walden Ridge close to the town. The town population was 8,852 as of the 2020 census and estimated to be 8,567 in 2018.

Geography

Signal Mountain is located in southwestern Hamilton County at 35°8′N 85°21′W (35.1291, -85.3424), atop the south end of Walden Ridge. The southern edge of the town overlooks the

Tennessee River The Tennessee River is the largest tributary of the Ohio River. It is approximately long and is located in the southeastern United States in the Tennessee Valley. The river was once popularly known as the Cherokee River, among other names ...

below. The town is bordered to the south by the city of Chattanooga, to the northeast by the town of

Walden ''Walden'' (; first published in 1854 as ''Walden; or, Life in the Woods'') is a book by American transcendentalist writer Henry David Thoreau. The text is a reflection upon the author's simple living in natural surroundings. The work is part ...

, and to the north by the unincorporated community of Fairmount. U.S. Route 127 (Ridgeway Avenue) is the main road through the town, leading south off the mountain to downtown Chattanooga and north over Walden Ridge to Dunlap. According to the

United States Census Bureau The United States Census Bureau (USCB), officially the Bureau of the Census, is a principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy An economy is an area of th ...

, the