| Place Name | Lemay |
| Place Type | Census Designated Place |
| ZIP Code(s) | 62240 63123 63125 |
| County | Saint Louis County |
| Area Code(s) | 314 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 16,616 |
| Population Growth Rate (2010-19) | 2.84% |
| Majority Ethnicity | White 91.98% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 2ndMissouri 1st |
| State House Districts | 93 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.98% |
| African American | 3.57% |
| Hispanic | 0.19% |
| Asian | 2.09% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.17% |