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Where am ILOCATED

Sumner County, Tennessee

Sumner County, Tennessee, has 215,538 residents (July 2025 estimate). Its county seat is Gallatin. It uses Central Time and covers 529 sq mi (1,371 km²) of land.

Nashville-DavidsonMemphisKnoxville
Sumner County in Tennessee
Robertson CountyTrousdale CountyHendersonvilleGallatinGoodlettsvilleWhite HousePortland
Sumner County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
215,538
Land area
529 sq mi (1,371 km²)
County seat or government
Gallatin
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$90,301 ± $2,629
Median home value
$393,100 ± $6,143
Median rent, with utilities
$1,424 ± $36
Homes lived in by their owners
72% ± 1.2 points
County type
County
Metro or micro area
Nashville-Davidson--Murfreesboro--Franklin, TN metro areaCentral county
Water area
13.8 sq mi (35.6 km²)
State
Tennessee
County code (FIPS)
47165
Coordinates (central point)
36.472423, -86.458405
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 Sumner County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 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. 3707573,522 people
  2. 3706664,650 people
  3. 3707232,208 people
  4. 3714826,274 people
  5. 3718818,241 people
  6. 3718610,709 people
  7. 370486,380 people
  8. 370225,728 people
  9. 370494,160 people
  10. 370313,926 people

10 ZIP Code areas overlap Sumner 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 Sumner County, largest first

  1. Sumner County School District204,424 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. Hendersonville, Tennessee (city)63,091 people
  2. Gallatin, Tennessee (city)48,532 people
  3. Goodlettsville, Tennessee (city)17,597 people
  4. White House, Tennessee (city)14,631 people
  5. Portland, Tennessee (city)13,449 people
  6. Millersville, Tennessee (city)5,836 people
  7. Shackle Island, Tennessee (CDP)4,404 people
  8. Westmoreland, Tennessee (town)2,845 people
  9. Castalian Springs, Tennessee (CDP)678 people
  10. Walnut Grove, Sumner County, Tennessee (CDP)575 people
  11. Cottontown, Tennessee (CDP)374 people
  12. Fairfield, Tennessee (CDP)351 people
All 18
  1. Bethpage, Tennessee (CDP)289 people
  2. Graball, Tennessee (CDP)288 people
  3. Oak Grove, Sumner County, Tennessee (CDP)248 people
  4. New Deal, Tennessee (CDP)226 people
  5. Mitchellville, Tennessee (city)176 people
  6. Bransford, Tennessee (CDP)0 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Trousdale County, Tennessee18 mi east
  2. Simpson County, Kentucky20 mi north
  3. Robertson County, Tennessee23 mi west
  4. Wilson County, Tennessee24 mi southeast
  5. Allen County, Kentucky24 mi northeast
  6. Macon County, Tennessee26 mi east
  7. Davidson County, Tennessee28 mi southwest

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.