| Name | Saint Tammany Parish |
| State | Louisiana |
| FIPS Code | 22103 |
| County Seat | Covington |
| Timezone | Central Daylight Time (CDT) |
| Population (2024) | 275,801 |
| Population Growth Rate(2020-2024) | 4.07% |
| Majority Ethnicity | White 76.88% |
| Public School Majority Ethnicity | White 63% |
| Partisan Voting Index | Strongly Republican:+23 |
| Unemployment Rate (May 2026) | 4.1% |
| Area Code(s) | 985 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 76.88% |
| African American | 12.53% |
| Hispanic | 8.14% |
| Asian | 1.34% |
| Native American | 0.77% |
| Hawaiin/Pacific Islander | 0.34% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 62.71% |
| African American | 21.26% |
| Hispanic | 10.21% |
| Asian | 1.35% |
| Native American | 0.29% |
| Hawaiin/Pacific Islander | 0.1% |