Chattanooga metropolitan area

Metropolitan area in Tennessee and Georgia, United States Metropolitan Statistical Area in the United StatesChattanooga AreaMetropolitan Statistical AreaChattanooga, TN-GA Metropolitan Statistical AreaChattanooga Skyline in 2023Chattanooga–Cleveland–Dalton, TN–GA–AL CSA City of Chattanooga Chattanooga, TN–GA MSA Dalton, GA MSA Cleveland, TN MSA Athens, TN µSA Scottsboro, AL µSA Summerville, GA µSA Country United StatesState Tennessee Georgia AlabamaLargest cityChattanoogaArea • Total2,089 sq mi (5,410 km2)Population (2022) • Total574,507 • Rank99th (2020) in the U.S.GDP • Total$40.042 billion (2022)Time zoneUTC−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. Counties County State Seat 2025 estimate 2020 census Chang