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Where am ILOCATED

DeKalb County, Tennessee

DeKalb County, Tennessee, has 21,873 residents (July 2025 estimate). Its county seat is Smithville. It uses Central Time and covers 304 sq mi (788 km²) of land.

Nashville-DavidsonMemphisKnoxville
DeKalb County in Tennessee
SmithvilleAlexandriaDowelltownLiberty
DeKalb County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
21,873
Land area
304 sq mi (788 km²)
County seat or government
Smithville
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$53,153 ± $7,562
Median home value
$235,500 ± $16,790
Median rent, with utilities
$839 ± $151
Homes lived in by their owners
72.6% ± 3.9 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: McMinnville, TN micro area, Cookeville, TN micro area, and Nashville-Davidson--Murfreesboro--Franklin, TN metro area
Water area
24.6 sq mi (63.6 km²)
State
Tennessee
County code (FIPS)
47041
Coordinates (central point)
35.982219, -85.833596
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 DeKalb 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. 3858325,584 people
  2. 3716615,731 people
  3. 385448,175 people
  4. 385814,079 people
  5. 370122,118 people
  6. 385821,729 people
  7. 370951,697 people
  8. 370591,590 people
  9. 385481,154 people
  10. 385671,065 people
  11. 38569390 people

11 ZIP Code areas overlap DeKalb 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 DeKalb County, largest first

  1. DeKalb County School District20,959 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. Smithville, Tennessee (city)5,288 people
  2. Alexandria, Tennessee (town)1,136 people
  3. Dowelltown, Tennessee (town)434 people
  4. Liberty, Tennessee (town)406 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Cannon County, Tennessee18 mi southwest
  2. Smith County, Tennessee21 mi north
  3. Warren County, Tennessee21 mi south
  4. White County, Tennessee21 mi east
  5. Putnam County, Tennessee22 mi northeast
  6. Wilson County, Tennessee28 mi northwest

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.