| County Name | Johnson County |
| FIPS Code | 47091 |
| Population | 18244 |
| Unemployment Rate | 2.9% |
| Time Zone: | Eastern Standard Time |
| List of Counties that Border Johnson County, Tennessee |
|---|
| Ashe, NC |
| Avery, NC |
| Carter, TN |
| Grayson, VA |
| Johnson, TN |
| Sullivan, TN |
| Washington, VA |
| Watauga, NC |
| List of Cities/Towns in Johnson County, Tennessee |
|---|
| Mountain City, TN |