Chattanooga, Tennessee

city in and county seat of Hamilton County, Tennessee, United States

Chattanooga is the fourth-largest city in Tennessee, a state in the United States of America. Cities larger than it are Nashville - the capital and largest city of the state; Memphis; and Knoxville. Chattanooga is in the southeast of Tennessee.

Chattanooga from Lookout Mountain
Chattanooga from Lookout Mountain
Flag of Chattanooga
Official seal of Chattanooga
Scenic City (official); Chatt, Chattown, Gig City, Nooga, and River City
Location of Chattanooga in Hamilton County, Tennessee
Location of Chattanooga in Hamilton County, Tennessee
Chattanooga is located in Tennessee
Location within Tennessee
Chattanooga is located in the United States
Chattanooga (the United States)
Coordinates: 35°2′44″N 85°16′2″W / 35.04556°N 85.26722°W / 35.04556; -85.26722[2]
CountryUnited States
 • TypeMayor-council
 • City150.08 sq mi (388.70 km2)
 • Land142.35 sq mi (368.69 km2)
 • Water7.73 sq mi (20.01 km2)
Elevation676 ft (206 m)
 • City181,099
 • Rank142nd in the United States
4th in Tennessee
 • Density1,272.19/sq mi (491.20/km2)
 • Urban
398,569 (US: 105th)
 • Urban density1,366.4/sq mi (527.6/km2)
 • Metro562,647 (US: 101st)
Time zoneUTC−5 (EST)
 • Summer (DST)UTC−4 (EDT)
ZIP code(s)
37401-37412, 37414-37416, 37419, 37421-37422, 37424, 37450
Area code423
FIPS code47-14000[8]
GNIS feature ID1307240[5]

The first people to live in the Chattanooga area were Native American Indians with sites dating back to the Upper Paleolithic period. The city became a transport hub, which made it a target in the American Civil War.

Geography and climate


The United States Census Bureau say that the city has a total area of 150.1 square miles (388.7 km²). This is made up of 142.4 square miles (368.7 km²) of land, and 7.7 square miles (20.0 km²) of water (5.15% of the total area).

The most well known natural feature near Chattanooga is the Tennessee River and the surrounding highlands. The city is between the southwestern Ridge-and-valley Appalachians and the foot of Walden's Ridge.


  1. "Chattanooga". Municipal Technical Advisory Service. Retrieved August 2, 2021.
  2. "About Chattanooga, Tennessee". Archived from the original on September 12, 2011. Retrieved May 10, 2011.
  3. Tennessee Blue Book Archived March 6, 2008, at the Wayback Machine, 2005-2006, pp. 618-625.
  4. "ArcGIS REST Services Directory". United States Census Bureau. Retrieved October 15, 2022.
  5. 5.0 5.1 U.S. Geological Survey Geographic Names Information System: Chattanooga, Tennessee
  6. "QuickFacts: Chattanooga city, Tennessee". United States Census Bureau. Retrieved March 17, 2024.
  7. "2020 Population and Housing State Data". United States Census Bureau. Retrieved October 11, 2021.
  8. "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.

Other websites