DeKalb County Map, Tennessee

Written and Fact-checked by | Updated On: April 28, 2026 | 15:21 ET

Map of DeKalb County - DeKalb County is a county located in the U.S. state of Tennessee. DeKalb County Map showing cities, highways, important places and water bodies. Get Where is DeKalb County located in the map, major cities in DeKalb county, population, areas, and places of interest.

Map of DeKalb County, Tennessee

Map of DeKalb County, Tennessee

About DeKalb County Map, Tennessee: The map showing the county boundary, county seat, major cities, highways and neighbouring counties.

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About DeKalb County, Tennessee

DeKalb County is a county located in the U.S. state of Tennessee. It's county seat is Smithville. As per 2020 census, the population of DeKalb County is 20478 people and population density is square miles. According to the United States Census Bureau, the county has a total area of 304 sq mi (787 km2). DeKalb County was established on 1837.

DeKalb County Facts

ContinentNorth America
CountryUnited States
StateTennessee
County SeatSmithville
Largest City/TownSmithville
Established1837
Total Area329 sq mi (852 sq km)
Land Area305 sq mi (790 sq km)
Water Area24 sq mi (62 sq km)
Population20,080 (Census 2020)
Population Density66 people per sq mi
Time ZoneCentral Time Zone (CT)
Major HighwaysUS-70, TN-56, TN-83
Neighboring CountiesPutnam County, White County, Warren County, Cannon County, Wilson County
Famous ForCenter Hill Lake, outdoor recreation, Smithville Fiddlers' Jamboree
Top AttractionsCenter Hill Lake, Edgar Evins State Park, Hurricane Bridge
Official Websitehttps://www.dekalbtennessee.com

Cities and Towns in DeKalb County, Tennessee

  • Smithville (county seat) – 4,804 (Census 2020)
  • Alexandria – 1,073 (Census 2020)
  • Liberty (partly) – 310 (Census 2020)
  • Dowelltown – 320 (Census 2020)

Roads and Highways in DeKalb County

DeKalb County is served by major highways that connect it to nearby cities and recreational areas.

  • U.S. Route 70 – runs east–west, connecting Smithville to Cookeville and Lebanon
  • State Route 56 – runs north–south, linking to Putnam and Warren counties
  • State Route 83 – provides access across the county and to rural communities

Neighboring Counties of DeKalb County

  • Putnam County (north)
  • White County (east)
  • Warren County (south)
  • Cannon County (west)
  • Wilson County (northwest)

Top Attractions in DeKalb County

DeKalb County is known for its lakes, scenic parks, and local festivals.

  • Center Hill Lake – a popular destination for boating, fishing, and camping
  • Edgar Evins State Park – offers hiking trails, cabins, and lake views
  • Hurricane Bridge – a scenic overlook of Center Hill Lake
  • Smithville Fiddlers' Jamboree – a well-known annual music festival
  • Dry Creek Recreation Area – a great spot for camping and water activities
  • DeKalb County Complex – hosts local events and fairs
  • Dowelltown Historic Area – features small-town charm and history

Distance from DeKalb County to Nearby Cities

  • DeKalb County to Nashville – 60 mi (97 km)
  • DeKalb County to Cookeville – 20 mi (32 km)
  • DeKalb County to Chattanooga – 90 mi (145 km)
  • DeKalb County to Knoxville – 120 mi (193 km)
  • DeKalb County to Murfreesboro – 50 mi (80 km)

FAQs about DeKalb County

Where is DeKalb County located?

DeKalb County is located in Middle Tennessee in the United States.

What is the county seat of DeKalb County?

The county seat is Smithville.

What is DeKalb County known for?

It is known for Center Hill Lake, outdoor recreation, and the Smithville Fiddlers' Jamboree.

What are the main attractions in DeKalb County?

Main attractions include Center Hill Lake, Edgar Evins State Park, and Hurricane Bridge.

How can I get to DeKalb County?

You can reach DeKalb County via U.S. Route 70 and State Routes 56 and 83.

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