Chattanooga, TN GIS Map
Chattanooga is a city in Hamilton County, Tennessee, with a population of about 182,799. The map below shows its location, boundary and surrounding roads, with federal GIS layers you can turn on for the area.
- County
- Hamilton County
- Population
- 182,799
- Elevation
- 676 ft
- Coordinates
- 35.0456, -85.3097
- ZIP codes (20)
- 37401, 37402, 37403, 37404, 37405, 37406 …
- Land area
- 142.4 sq mi
- Time zone
- America/New York
About Chattanooga, TN
Chattanooga is a city in Hamilton County, Tennessee, United States, and its county seat. It is located along the Tennessee River and borders Georgia to the south. The population was 181,099 at the 2020 census, and was estimated at 191,496 in 2024. It is Tennessee's fourth-most populous city and one of the two principal cities of East Tennessee, along with Knoxville. It anchors the Chattanooga metropolitan area, Tennessee's fourth-largest metropolitan statistical area, as well as a larger three-state area that includes southeastern Tennessee, northwestern Georgia, and northeastern Alabama.
Source: Wikipedia (CC BY-SA 4.0)
Cities Near Chattanooga
- Soddy-Daisy, TN15 mi
- Cleveland, TN26 mi
- Dalton, GA27 mi
- Fort Payne, AL48 mi
- Athens, TN48 mi
- Scottsboro, AL48 mi
- McMinnville, TN51 mi
- Rome, GA55 mi
Other Cities in Hamilton County
GIS Data for Chattanooga, TN
The Chattanooga map loads live federal GIS layers in your browser, so you can check flood zones, terrain, land cover and district boundaries for any address in Chattanooga without a separate GIS login. Everything below is drawn from public U.S. government data.
Layers you can turn on
FEMA flood zones
National Flood Hazard Layer — flood insurance rate map zones.
Elevation contours and hillshade
USGS 3DEP terrain, so you can read slope and relief.
Land cover
NLCD land cover classes — forest, developed, wetland, water.
School districts
Census TIGER unified and elementary school district boundaries.
ZIP code and county boundaries
Census TIGER ZCTA and county boundary lines.
Map tools
Measure distance and area
Draw a line or polygon to get length in miles or area in acres.
Sketch and annotate
Add points, lines and shapes on top of the map.
Inspect any point
Click the map to read coordinates, elevation and the layers under your cursor.
Download the map
Save the current view as a PNG image.
Chattanooga Demographics
Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.
Population
185,783
Households
79,084
Median household income
$64,523
Median age
36.3 years
Median home value
$283,200
Median gross rent
$1,256/mo
Owner-occupied homes
52.4%
Bachelor's degree or higher
36%
Below poverty level
19.1%
Land area
142.4 sq mi
Population density
1,305 / sq mi
County
Chattanooga Population Growth
Source: U.S. Census Bureau, 2010 Census and Population Estimates Program (Vintage 2024: April 2020 estimates base and July 1, 2024 estimate).
2010 Census
167,674
April 2020 (estimates base)
181,671
July 2024 estimate
191,496
Change 2010-2020
+8.3%
Change 2020-2024
+5.4%
Photos of Chattanooga
Hover over a photo to see it larger. Tap on mobile.
Photos from Wikimedia Commons, taken in or near Chattanooga. Credits and licenses are shown in the larger view.
Federal Buildings & Leases in Chattanooga
GSA-managed federal properties in and around Chattanooga.
| Property | Address | Status | Sq ft | Lease ends |
|---|---|---|---|---|
| Joel W.Solomon Fbct | 900 Georgia Ave, 37402 | Owned | 119,955 | — |
| Osborne Office Center | 5746 Marlin Rd Suite 200, 37411 | Leased | 62,153 | Jan 2037 |
| Old Post Office Custom House | 31 E 11th St, 37402 | Leased | 34,210 | Jul 2033 |
| Warehouse Row, North Building | 1110 Market St, 37402 | Leased | 22,946 | Aug 2032 |
| 1232 Premier Drive | 1232 Premier Dr, 37421 | Leased | 19,965 | Jan 2035 |
| Social Security Bldg, Chattanooga, Tn | 1290 Premier Dr, 37421 | Leased | 17,855 | Feb 2030 |
| 6300 Building | 5740 Uptain Rd, 37411 | Leased | 17,786 | Aug 2026 |
| DEA Turntable Road Bldg. | 4510 Turntable Rd, 37421 | Leased | 9,200 | Jul 2038 |
| One Republic Centre | 633 Chestnut St, 37402 | Leased | 8,390 | Aug 2029 |
| Franklin Building, Chattanooga, Tn | 5726 Marlin Rd, 37411 | Leased | 8,320 | Feb 2034 |
| Franklin Building, Chattanooga, Tn | 5726 Marlin Rd, 37411 | Leased | 8,320 | Jul 2032 |
| Century Oaks | 6045 Century Oaks Dr, 37416 | Leased | 7,000 | Oct 2033 |
| Chattanooga DHS | 2150 Stein Dr, 37421 | Leased | 4,853 | Apr 2028 |
| Tallan Financial Center | 200 W Martin Luther King Blvd, 37402 | Leased | 4,196 | Jun 2028 |
| Chattanooga Airport Terminal | 1001 Airport Rd, 37421 | Leased | 1,882 | Dec 2035 |
| Shallowford Bus Pk 4 | 5959 Shallowford Rd, 37421 | Leased | 1,023 | Feb 2028 |
Source: U.S. GSA Inventory of Owned and Leased Properties (data.gov), September 2026.
Soils of Chattanooga
General soil map unit at the city center: Talbott-Montevallo-Colbert
Soil Properties
- Drainage class
- Well drained
- Hydrologic soil group
- D (very slow infiltration, high runoff)
- Available water storage (0–150 cm)
- 17.9 cm
- Typical slope
- 9%
- Flooding frequency
- None
- Min. depth to bedrock
- 77 cm
- Min. annual water table depth
- 130 cm
Soil Components
- Colbert23%
Alfisols · Vertic Hapludalfs
- Talbott16%
Alfisols · Typic Hapludalfs
- Montevallo10%
Inceptisols · Typic Dystrudepts
- Talbott6%
Alfisols · Typic Hapludalfs
- Tupelo6%
Alfisols · Aquic Hapludalfs
- Lindside5%
Inceptisols · Fluvaquentic Eutrudepts
Source: USDA NRCS U.S. General Soil Map (STATSGO2). General soil map data (1:250,000 scale) is not suitable for site-specific decisions.
Climate of Chattanooga
30-year averages (1991–2020) from the Lookout Mtn-Point Park, Tn weather station, elevation 2,110 ft, 3.2 miles from the city center.
Warmest month
Jul · avg high 84°F
Coldest month
Jan · avg low 29°F
Annual precipitation
58.6 in
Average Monthly Temperatures (°F)
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 49 | 58 | 68 | 74 | 80 | 84 | 82 | 78 | 67 | 57 | 48 |
| Avg low °F | 29 | 31 | 39 | 47 | 57 | 65 | 67 | 67 | 61 | 51 | 40 | 32 |
| Precip. in | 5.53 | 5.99 | 5.59 | 5.52 | 4.31 | 4.21 | 4.78 | 3.98 | 4.92 | 3.78 | 4.62 | 5.37 |
Source: NOAA NCEI U.S. Climate Normals, 1991–2020. Conditions at the station may differ from other parts of the city.
Natural Hazard Risk in Chattanooga
FEMA National Risk Index ratings for Hamilton County, compared with all U.S. counties.
Overall risk
Score 93.3 of 100
Expected annual loss
Buildings, population & agriculture
Social vulnerability
Susceptibility to hazard impacts
Community resilience
Ability to prepare & recover
Risk by Hazard
- TornadoRelatively High
- Strong WindRelatively High
- EarthquakeRelatively Moderate
- LandslideRelatively Moderate
- Inland FloodingRelatively High
- LightningRelatively High
- Winter WeatherRelatively High
- Ice StormRelatively High
- Cold WaveRelatively Moderate
- HailRelatively Moderate
- Heat WaveRelatively Low
- WildfireRelatively Low
- HurricaneRelatively Low
- DroughtRelatively Low
Source: FEMA National Risk Index (December 2025 release). County-level ratings are relative to other U.S. counties and are not a property-specific assessment.
Chattanooga FAQ
What county is Chattanooga in?
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Chattanooga, Tennessee is located in Hamilton County.
What is the population of Chattanooga?
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Chattanooga has a population of about 182,799, making it the number 4 of the 44 Tennessee cities listed on GIS Map.
What is the elevation of Chattanooga?
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The elevation of Chattanooga is approximately 676 feet (206 meters) above sea level at the city center.
What ZIP codes are in Chattanooga?
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ZIP codes for Chattanooga include 37401, 37402, 37403, 37404, 37405, 37406, 37407, 37408, 37409, 37410, 37411, 37412, 37414, 37415, 37416, 37419, 37421, 37422, 37424, 37450.
What time zone is Chattanooga in?
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Chattanooga is in the Eastern Time zone (America/New York).
How far is Chattanooga from Nashville?
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Chattanooga is about 113 miles from Nashville, the capital of Tennessee, in a straight line.
What cities are near Chattanooga?
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Cities near Chattanooga include Soddy-Daisy, TN (15 miles); Cleveland, TN (26 miles); Dalton, GA (27 miles); Fort Payne, AL (48 miles); Athens, TN (48 miles).
Local notes for Chattanooga, TN
Questions and local knowledge from people who know the area. Every note is read before it appears here.