| Place Name | Sappington |
| Place Type | Census Designated Place |
| ZIP Code(s) | 63123 63126 63128 |
| County | Saint Louis County |
| Area Code(s) | 314 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 7,493 |
| Population Growth Rate (2010-19) | 5.47% |
| Majority Ethnicity | White 94.2% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2nd |
| State House Districts | 96 |
| State Senate Districts | 15 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.2% |
| African American | 0.72% |
| Hispanic | 0% |
| Asian | 1.95% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.13% |