| Place Name | Oakville |
| Place Type | Census Designated Place |
| ZIP Code(s) | 62236 63010 63129 |
| County | Saint Louis County |
| Area Code(s) | 314 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 36,148 |
| Population Growth Rate (2010-19) | 0.44% |
| Majority Ethnicity | White 94.57% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2nd |
| State House Districts | 95 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.57% |
| African American | 1.61% |
| Hispanic | 0.04% |
| Asian | 1.07% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.71% |