| Name | Saint Martin Parish |
| State | Louisiana |
| FIPS Code | 22099 |
| County Seat | St. Martinville |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 51,122 |
| Population Growth Rate(2020-2024) | -1.22% |
| Majority Ethnicity | White 66.16% |
| Public School Majority Ethnicity | White 44% |
| Partisan Voting Index | Republican:+20 |
| Unemployment Rate (May 2026) | 4.3% |
| Area Code(s) | 337 / 225 / 985 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 66.16% |
| African American | 29.16% |
| Hispanic | 3.46% |
| Asian | 0.94% |
| Native American | 0.18% |
| Hawaiin/Pacific Islander | 0.1% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 44.22% |
| African American | 39.29% |
| Hispanic | 10.88% |
| Asian | 1.07% |
| Native American | 0.31% |
| Hawaiin/Pacific Islander | 0% |