| Place Name | Marlborough |
| Place Type | Village |
| ZIP Code(s) | 63119 63123 |
| County | Saint Louis County |
| Area Code(s) | 314 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 2,259 |
| Population Growth Rate (2010-19) | 1.93% |
| Majority Ethnicity | White 84.33% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2nd |
| State House Districts | 91 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 84.33% |
| African American | 3.55% |
| Hispanic | 0% |
| Asian | 3.98% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 8.14% |