| Name | Johnson County |
| State | Tennessee |
| FIPS Code | 47091 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 18,199 |
| Population Growth Rate(2000-2022) | -1.62% |
| Majority Ethnicity | White 93.24% |
| Public School Majority Ethnicity | White 94% |
| Partisan Voting Index | Strongly Republican:+33 |
| Unemployment Rate | 3.0% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 93.24% |
| African American | 3.72% |
| Hispanic | 0% |
| Asian | 0.16% |
| Native American | 2.29% |
| Hawaiin/Pacific Islander | 0.58% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 93.93% |
| African American | 0.19% |
| Hispanic | 5.07% |
| Asian | 0.14% |
| Native American | 0.19% |
| Hawaiin/Pacific Islander | 0.05% |