| Place Name | Manchester |
| Place Type | City |
| ZIP Code(s) | 63011 63021 63088 63122 |
| County | Saint Louis County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 18,154 |
| Population Growth Rate (2010-19) | 1.32% |
| Majority Ethnicity | White 82.67% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2nd |
| State House Districts | 99 |
| State Senate Districts | 24 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.67% |
| African American | 3.63% |
| Hispanic | 0.22% |
| Asian | 9.59% |
| Native American | 0.07% |
| Hawaiin/Pacific Islander | 3.82% |