Chattanooga Metro Area Counties

6 counties · 594,530 people (2025) · 2,089 sq mi

The Chattanooga metro area (officially the Chattanooga, TN-GA Metropolitan Statistical Area) has 6 counties in Georgia and Tennessee, with 594,530 people in 2025. Hamilton County is the most populous.

Map of the 6 counties of the Chattanooga metro area with county names and major cities
The 6 counties of the Chattanooga metro area (yellow) with the largest cities. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
PDF (Letter) 171 KBPNG (2400 px) 134 KB

The 6 counties of the Chattanooga metro area

Sorted by population. 3 are central counties (the urban core); the others are outlying counties tied to it by commuting.

CountyStateCounty seatPopulation 2025Change since 2020Land area (sq mi)Type
Hamilton CountyTennesseeChattanooga390,833+6.5%542Central
Walker CountyGeorgiaLaFayette70,250+3.8%446Central
Catoosa CountyGeorgiaRinggold69,628+2.6%162Central
Marion CountyTennesseeJasper29,804+3.3%498Outlying
Sequatchie CountyTennesseeDunlap17,861+12.9%266Outlying
Dade CountyGeorgiaTrenton16,154−0.5%174Outlying

The metro area is part of the larger Chattanooga-Cleveland-Dalton, TN-GA-AL Combined Statistical Area.

Printable map

The PDF is a vector file for Letter paper; the PNG is 2400 pixels wide. Both are free to use with a credit to WhichCounty.

County maps of Georgia and Tennessee

Other metro areas

All 97 metro area county maps

Sources