Cities and Towns in DeKalb County, Tennessee
Founded in 1837, DeKalb County is one of 95 counties in the state of Tennessee. Historically, DeKalb County was formed from Franklin, Cannon, Jackson and White counties. The city of Smithville is the county seat. With FIPS code of 41, DeKalb County has a population of 20,478 and area of 304 square miles (787 km²).
List of all cities in DeKalb County, TN alphabetically
| City/Town | Postal Code | Area Code |
| Alexandria, TN | 37012 | 615 |
| Dowelltown, TN | 37059 | 615 |
| Gassaway, TN | 37095 | 615 |
| Liberty, TN | 37095 | 615 |
| Smithville, TN | 37166 | 615 |
Major Cities and Towns in DeKalb County, Tennessee
Smithville
Overview
- Area: Approximately 5.9 square miles
- Population: 4,530 (2020 census)
- ZIP Codes: 37166
- Coordinates: 35.9584° N, 85.8175° W
Location and History
Smithville, the county seat of DeKalb County, is located in the central part of the county, near Center Hill Lake. Established in 1838, the town was named after Samuel Granville Smith, one of the region’s first settlers. Smithville’s economy initially revolved around agriculture, with tobacco, livestock, and corn being the primary products. Over time, it grew as a commercial and administrative hub for the surrounding rural communities. In the mid-20th century, the construction of Center Hill Dam and Lake brought a surge in tourism, which continues to play a significant role in the town’s economy. The annual Smithville Fiddlers’ Jamboree and Crafts Festival, which began in 1972, has since become a hallmark event, celebrating traditional Appalachian music and arts.
Major Schools and Landmarks
Smithville is served by DeKalb County Schools, with institutions such as Smithville Elementary and DeKalb County High School providing education to local students. Notable landmarks include the historic DeKalb County Courthouse, an architectural gem that serves as the centerpiece of the town square. Center Hill Lake, located just outside the city, is a prime destination for boating, fishing, and camping, attracting visitors from across the region. The Appalachian Center for Craft, a satellite campus of Tennessee Tech University, showcases fine arts and crafts and offers educational programs.
Alexandria
Overview
- Area: Approximately 1.5 square miles
- Population: 966 (2020 census)
- ZIP Codes: 37012
- Coordinates: 36.0762° N, 86.0339° W
Location and History
Alexandria is a small town located in the southwestern part of DeKalb County. It was founded in 1820 by Dr. Daniel Alexander, who named it after himself. Alexandria developed as a trading post and agricultural hub, with its fertile lands supporting crops like corn and wheat. The arrival of the Nashville and Knoxville Railroad in the late 19th century spurred economic growth and enhanced the town’s role as a regional center for trade. Despite its small size, Alexandria has maintained its historical character and strong sense of community.
Major Schools and Landmarks
Alexandria is home to DeKalb West School, which provides educational services for kindergarten through eighth grade. The town’s landmarks include the Alexandria Town Hall and the historic Alexandria United Methodist Church, which dates back to the early 20th century. Nearby, the scenic landscapes of DeKalb County provide opportunities for outdoor activities, including hiking and fishing. Alexandria also hosts community events like the annual DeKalb County Fair, which highlights local agriculture, crafts, and traditions, fostering a sense of unity and pride among residents.
