| Place Name | Greenfield |
| Place Type | City |
| ZIP Code(s) | 38230 |
| County | Weakley County |
| Area Code(s) | 731 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 2,363 |
| Population Growth Rate (2010-19) | -6.92% |
| Majority Ethnicity | White 89.69% |
| Metro/Micro Stats Area | Martin, TN |
| US Congressional District(s) | Tennessee 8th |
| State House Districts | 76 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 89.69% |
| African American | 7.3% |
| Hispanic | 0.26% |
| Asian | 0.82% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.93% |