Union County, Tennessee
Union County | |
|---|---|
Union County Courthouse in Maynardville | |
Location within the U.S. state of Tennessee | |
Tennessee's location within the U.S. | |
| Coordinates: 36°17′N 83°50′W / 36.28°N 83.84°W | |
| 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 |
| Government | |
| • Mayor | Jason Bailey |
| Area | |
• Total | 247 sq mi (640 km2) |
| • Land | 224 sq mi (580 km2) |
| • Water | 24 sq mi (60 km2) 9.5% |
| Population (2020) | |
• Total | 19,802 |
| • Density | 85/sq mi (33/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| ZIP Codes | 37721, 37779, 37807, 37866, 37705 |
| Area code | 865 |
| Congressional district | 3rd |
| Website | www |
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 statistical area.