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.

[2] This metropolitan area traverses two time zones.

As of the census[4] of 2010, there were 528,143 people, 189,607 households, and 132,326 families residing within the MSA.

The racial makeup of the MSA was 83.14% White, 13.90% African American, 0.30% Native American, 0.97% Asian, 0.05% Pacific Islander, 0.61% from other races, and 1.03% from two or more races.