Chattanooga metropolitan area
| Chattanooga Area | ||
|---|---|---|
| Chattanooga, TN-GA Metropolitan Statistical Area | ||
| Chattanooga Skyline in 2023 | ||
| Chattanooga–Cleveland–Dalton, TN–GA–AL CSA
 
 | ||
| Country | United States | |
| State | Tennessee Georgia Alabama | |
| Largest city | Chattanooga | |
| Area | ||
|  • Total | 2,089 sq mi (5,410 km2) | |
| Population  (2022) | ||
|  • Total | 574,507 | |
| • Rank | 99th (2020) in the U.S. | |
| GDP | ||
| • Total | $40.042 billion (2022) | |
| Time zone | UTC−5 (EST) | |
| • Summer (DST) | UTC−4 (EDT) | |
The Chattanooga, TN-GA metropolitan statistical area, as defined by the United States Office of Management and Budget, is an area consisting of six counties – three in southeast Tennessee (Hamilton, Marion, and Sequatchie) and three in northwest Georgia (Catoosa, Dade, and Walker) – anchored by the city of Chattanooga. As of the 2020 census, the Chattanooga metropolitan area had a population of 562,647. This metropolitan area traverses two time zones.