| Place Name | Spencer Creek Township |
| Place Type | Township |
| ZIP Code(s) | 63303 63304 63376 |
| County | Saint Charles County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 19,962 |
| Majority Ethnicity | White 91.25% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 3rd |
| State House Districts | 64,105 |
| State Senate Districts | 23 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.25% |
| African American | 4.94% |
| Hispanic | 0.01% |
| Asian | 2.05% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 1.76% |