| Name | Saint Mary Parish |
| State | Louisiana |
| FIPS Code | 22101 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 54,285 |
| Population Growth Rate(2000-2022) | -9.6% |
| Majority Ethnicity | White 59.57% |
| Public School Majority Ethnicity | White 43% |
| Partisan Voting Index | Republican:+14 |
| Unemployment Rate | 5.1% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 59.57% |
| African American | 30.88% |
| Hispanic | 6.85% |
| Asian | 1.44% |
| Native American | 1.23% |
| Hawaiin/Pacific Islander | 0.02% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 43.07% |
| African American | 38.29% |
| Hispanic | 10.37% |
| Asian | 1.36% |
| Native American | 1.83% |
| Hawaiin/Pacific Islander | 0.03% |