| Place Name | Cosby |
| Place Type | Census Designated Place |
| ZIP Code(s) | 37722 |
| County | Cocke County |
| Area Code(s) | 423 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 723 |
| Majority Ethnicity | White 93.13% |
| Metro/Micro Stats Area | Newport, TN |
| US Congressional District(s) | Tennessee 1st |
| State House Districts | 11 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.13% |
| African American | 0% |
| Hispanic | 6.87% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |