Johnson County | |
|---|---|
 Johnson County Courthouse in Mountain City | |
 Flag  Seal | |
 Location within the U.S. state of Tennessee | |
 Tennessee's location within the U.S. | |
| Coordinates: 36°28′N 81°52′W / 36.46°N 81.86°W | |
| Country |  United States |
| State |  Tennessee |
| Founded | 1836 |
| Named for | Thomas Johnson, early settler[1] |
| Seat | Mountain City |
| Largest town | Mountain City |
| Area | |
| • Total | 303 sq mi (780 km2) |
| • Land | 298 sq mi (770 km2) |
| • Water | 4.2 sq mi (11 km2) 1.4% |
| Population (2020) | |
| • Total | 17,948  |
| • Density | 61/sq mi (24/km2) |
| Time zone | UTC−5 (Eastern) |
| • Summer (DST) | UTC−4 (EDT) |
| Congressional district | 1st |
Johnson County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 17,948.[2] Its county seat is Mountain City.[3] It is the state's northeasternmost county, sharing borders with Virginia and North Carolina.
- ^ Jewell Hamm, "Johnson County," Tennessee Encyclopedia of History and Culture. Retrieved: October 18, 2013.
- ^ "Census - Geography Profile: Johnson County, Tennessee". United States Census Bureau. Retrieved January 7, 2023.
- ^ "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.