| Place Name | Madisonville |
| Place Type | Town |
| ZIP Code(s) | 70447 |
| GEOID | 2247560 |
| County | Saint Tammany Parish |
| Area Code(s) | 985 |
| Timezone | Central Daylight Time (CDT) |
| Population (2021) | 1,158 |
| Population Growth Rate (2010-19) | 13.64% |
| Majority Ethnicity | White 91.92% |
| Metro/Micro Stats Area | New Orleans-Metairie, LA |
| US Congressional District(s) | Louisiana 1st |
| State House Districts | 77 |
| State Senate Districts | 11 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.92% |
| African American | 5.85% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 2.24% |