Union County
Also known as Union County, Tennessee, Union County, TN
county in Tennessee, United States
Key facts
- Country
- United States
- State
- Tennessee
- Founded
- January 23, 1856
- Named after
- Either its creation from parts of five other counties or its support for the Union during the Civil War
- Seat
- Maynardville
- Largest city
- Maynardville
- Mayor
- Jason Bailey
- Total
- 247 sq mi (640 km )
- Land
- 224 sq mi (580 km )
- Water
- 24 sq mi (62 km ) 9.5%
- Estimate 2025
- 21,450
- Density
- 85/sq mi (33/km )
- Time zone
Article
Union County is a county located in the U.S. state of Tennessee. As of the 2020 census, its population was 19,802. Its county seat is Maynardville. Union County is included in the Knoxville metropolitan area.
History