Signal Mountain, Tennessee
| Signal Mountain, Tennessee | |
|---|---|
| Signal Mountain Middle/High School | |
| Location of Signal Mountain in Hamilton County, Tennessee | |
| Coordinates: 35°8′N 85°21′W / 35.133°N 85.350°W | |
| Country | United States | 
| State | Tennessee | 
| County | Hamilton | 
| Incorporated | 1919 | 
| Area | |
|  • Total | 8.37 sq mi (21.69 km2) | 
| • Land | 8.37 sq mi (21.68 km2) | 
| • Water | 0.00 sq mi (0.01 km2) | 
| Elevation | 1,703 ft (519 m) | 
| Population  (2020) | |
|  • Total | 8,852 | 
| • Density | 1,057.59/sq mi (408.36/km2) | 
| Time zone | UTC−5 (Eastern (EST)) | 
| • Summer (DST) | UTC−4 (EDT) | 
| ZIP Code | 37377 | 
| Area code | 423 | 
| FIPS code | 47-68540 | 
| GNIS feature ID | 1270254 | 
| Website | signalmountaintn | 
Signal Mountain is a town in Hamilton County, Tennessee, United States. The town is a suburb of Chattanooga 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.