| Place Name | Decaturville |
| Place Type | Town |
| ZIP Code(s) | 38329 |
| GEOID | 4719900 |
| County | Decatur County |
| Area Code(s) | 731 |
| Timezone | Central Standard Time (CST) |
| Population (2021) | 907 |
| Population Growth Rate (2010-19) | -6.92% |
| Majority Ethnicity | White 79.81% |
| US Congressional District(s) | Tennessee 7th |
| State House Districts | 72 |
| State Senate Districts | 26 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 79.81% |
| African American | 13.46% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 6.73% |