| Place Name | Mill Spring |
| Place Type | Village |
| ZIP Code(s) | 63952 |
| County | Wayne County |
| Area Code(s) | 573 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 168 |
| Population Growth Rate (2010-19) | -15.87% |
| Majority Ethnicity | White 90.91% |
| US Congressional District(s) | Missouri 8th |
| State House Districts | 144 |
| State Senate Districts | 27 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 90.91% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 9.09% |