| Place Name | McLain |
| Place Type | Town |
| ZIP Code(s) | 39456 |
| County | Greene County |
| Area Code(s) | 601,769 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 865 |
| Population Growth Rate (2010-19) | -29.02% |
| Majority Ethnicity | White 92.9% |
| US Congressional District(s) | Mississippi 4th |
| State House Districts | 105 |
| State Senate Districts | 43 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.9% |
| African American | 6.8% |
| Hispanic | 0% |
| Asian | 0.3% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0% |