| Place Name | Mandeville |
| Place Type | City |
| ZIP Code(s) | 70448 70471 |
| GEOID | 2248225 |
| County | Saint Tammany Parish |
| Area Code(s) | 985 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 12,985 |
| Population Growth Rate (2010-19) | 14.12% |
| Majority Ethnicity | White 93.56% |
| Metro/Micro Stats Area | New Orleans-Metairie, LA |
| US Congressional District(s) | Louisiana 1st |
| State House Districts | 89 |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.56% |
| African American | 0.77% |
| Hispanic | 0.16% |
| Asian | 2.29% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.22% |