| Place Name | Marrero |
| Place Type | Census Designated Place |
| ZIP Code(s) | 70072 |
| County | Jefferson Parish |
| Area Code(s) | 504 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 32,516 |
| Population Growth Rate (2010-19) | -2.29% |
| Majority Ethnicity | African American 48.98% |
| Metro/Micro Stats Area | New Orleans-Metairie, LA |
| US Congressional District(s) | Louisiana 2nd |
| State House Districts | 83,84,87 |
| State Senate Districts | 3,8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 36.74% |
| African American | 48.98% |
| Hispanic | 0.41% |
| Asian | 6.53% |
| Native American | 0.22% |
| Hawaiin/Pacific Islander | 7.13% |