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Where am ILOCATED

Hamilton County, Tennessee

Hamilton County, Tennessee, has 390,833 residents (July 2025 estimate). Its county seat is Chattanooga. It uses Eastern Time and covers 542 sq mi (1,404 km²) of land.

Nashville-DavidsonMemphis
Hamilton County in Tennessee
Bradley CountyMarion CountySequatchie CountyChattanoogaEast RidgeSoddy-DaisyMiddle ValleyRed Bank
Hamilton County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
390,833
Land area
542 sq mi (1,404 km²)
County seat or government
Chattanooga
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$76,183 ± $1,947
Median home value
$312,800 ± $5,741
Median rent, with utilities
$1,253 ± $28
Homes lived in by their owners
63.9% ± 1.1 points
County type
County
Metro or micro area
Chattanooga, TN-GA metro areaCentral county
Water area
33.5 sq mi (86.8 km²)
State
Tennessee
County code (FIPS)
47065
Coordinates (central point)
35.159186, -85.202296
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Hamilton County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 3742152,985 people
  2. 3734345,101 people
  3. 3736342,093 people
  4. 3731130,720 people
  5. 3074130,041 people
  6. 3737929,430 people
  7. 3741524,181 people
  8. 3741221,864 people
  9. 3741118,997 people
  10. 3740518,109 people
  11. 3737717,188 people
  12. 3734115,591 people
All 32
  1. 3740414,737 people
  2. 3741613,919 people
  3. 3740613,364 people
  4. 374079,156 people
  5. 374036,413 people
  6. 374195,980 people
  7. 373535,330 people
  8. 373025,082 people
  9. 373364,483 people
  10. 374104,129 people
  11. 374023,953 people
  12. 374083,502 people
  13. 374093,357 people
  14. 373383,309 people
  15. 373733,273 people
  16. 373083,188 people
  17. 373502,111 people
  18. 373151,825 people
  19. 37351281 people
  20. 374500 people

32 ZIP Code areas overlap Hamilton County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Hamilton County, largest first

  1. Hamilton County School District376,192 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Chattanooga, Tennessee (city)185,783 people
  2. East Ridge, Tennessee (city)22,070 people
  3. Soddy-Daisy, Tennessee (city)13,231 people
  4. Middle Valley, Tennessee (CDP)12,187 people
  5. Red Bank, Tennessee (city)12,010 people
  6. Collegedale, Tennessee (city)11,330 people
  7. Signal Mountain, Tennessee (town)8,860 people
  8. Harrison, Tennessee (CDP)8,011 people
  9. Apison, Tennessee (CDP)4,271 people
  10. Sale Creek, Tennessee (CDP)2,955 people
  11. Falling Water, Tennessee (CDP)2,315 people
  12. Lakesite, Tennessee (city)2,168 people
All 19
  1. Lookout Mountain, Tennessee (town)2,111 people
  2. Fairmount, Tennessee (CDP)2,110 people
  3. Walden, Tennessee (town)1,845 people
  4. Mowbray Mountain, Tennessee (CDP)1,721 people
  5. Flat Top Mountain, Tennessee (CDP)1,004 people
  6. Ridgeside, Tennessee (city)879 people
  7. Ooltewah, Tennessee (CDP)578 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Catoosa County, Georgia18 mi south
  2. Sequatchie County, Tennessee19 mi northwest
  3. Bradley County, Tennessee19 mi east
  4. Marion County, Tennessee24 mi west
  5. Dade County, Georgia27 mi southwest
  6. Walker County, Georgia30 mi south
  7. Bledsoe County, Tennessee30 mi north
  8. Meigs County, Tennessee33 mi northeast
  9. Rhea County, Tennessee34 mi northeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.