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Where am ILOCATED

Chattanooga, TN-GA Metro Area

The Chattanooga, TN-GA metro area is made up of 6 counties in Tennessee and Georgia: Hamilton, Walker, Catoosa, Marion, Sequatchie, and Dade, largest first. About 594,530 people lived there on July 1, 2025 (Census estimate), 5.5% more than in April 2020.

Catoosa County, centralDade County, outlyingWalker County, centralHamilton County, centralMarion County, outlyingSequatchie County, outlyingChattanooga
Central Outlying 6 counties in Tennessee and Georgia
Population, July 2025
594,530 5.5% more than in April 2020
Type
Metropolitan statistical area
Counties
6: 3 central, 3 outlying
Land area
2,089 sq mi (5,410 km²)
Time zone
Eastern Time, Central TimeUTC-05:00 in January; UTC-04:00 in July
States
Tennessee, Georgia
Combined statistical area
Chattanooga-Cleveland-Dalton, TN-GA-AL
CBSA code
16860
Open this area in the metro area finder

Counties in the Chattanooga, TN-GA metro area, largest first

CountyRolePopulation, July 2025Share of the area
Hamilton CountyTennesseeCentral390,83365.7%
Walker CountyGeorgiaCentral70,25011.8%
Catoosa CountyGeorgiaCentral69,62811.7%
Marion CountyTennesseeOutlying29,8045.0%
Sequatchie CountyTennesseeOutlying17,8613.0%
Dade CountyGeorgiaOutlying16,1542.7%

A central county holds the area’s core, an urban area of at least 50,000 people. An outlying county is in the area because of commuting: at least a quarter of its workers have jobs in the central counties, or at least a quarter of the people working there live in them. A county belongs to one metro or micro area at most, and it counts whole, countryside included.

Principal city

  1. Chattanooga185,783 people

OMB names the area after its largest principal cities. A principal city is the area’s largest city, plus any other city that is very large or a big job center, and smaller ones with at least as many jobs as working residents (2020 Census and commuting figures). People counts are American Community Survey 2020–2024 5-year estimates.

Part of the Chattanooga-Cleveland-Dalton, TN-GA-AL combined statistical area

OMB joins neighboring metro and micro areas into a combined statistical area when enough people commute between them. The other 5 areas in this one, largest first:

  1. Dalton, GA Metro Area147,819 people
  2. Cleveland, TN Metro Area134,057 people
  3. Athens, TN Micro Area71,590 people
  4. Scottsboro, AL Micro Area54,281 people
  5. Summerville, GA Micro Area25,300 people

Bordering metro and micro areas, nearest first

Areas with a county on this area’s edge. Distances are straight lines between the areas’ largest cities.

  1. Cleveland, TN Metro Area23 mi east
  2. Dalton, GA Metro Area26 mi southeast
  3. Summerville, GA Micro Area41 mi south
  4. Calhoun, GA Micro Area43 mi southeast
  5. Athens, TN Micro Area45 mi northeast
  6. Fort Payne, AL Micro Area49 mi southwest
  7. Winchester, TN Micro Area49 mi west
  8. McMinnville, TN Micro Area52 mi northwest
  9. Scottsboro, AL Micro Area54 mi southwest
  10. Rome, GA Metro Area55 mi south

Before using this answer on a form

A metro or micro area is a statistical area that OMB draws for federal statistics. It is not a city, a local government or a mailing address, and it is not a measure of urban and rural: whole counties count, rural parts included. Programs that use metro areas, such as housing income limits or wage rates, can use their own version of these lists; check the program’s own list for an address.

Find the metro area where you are now, find your county, or see every metro and micro area by population.

See this area on Census.gov ↗