Total Population in St. Tammany Parish, LA
ACS 2024 5-Year Estimates
272,421
Rank #264/3,222 · #4 in LA
92th
St. Tammany 272,421
LA 4,611,961 -94.1%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How St. Tammany Parish's total population of 272,421 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to St. Tammany Parish for total population.
Nearby Rankings
Full ranking →| #261 | Washington County, MN | 276,238 |
| #262 | Buncombe County, NC | 274,360 |
| #263 | St. Joseph County, IN | 273,040 |
| #264 | St. Tammany Parish, LA | 272,421 |
| #265 | Brown County, WI | 270,892 |
| #266 | Weber County, UT | 269,648 |
| #267 | Webb County, TX | 269,294 |
About Total Population
St. Tammany Parish, Louisiana has a total population of 272,421, ranking #264 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Louisiana, it ranks #4 of 64. This places it in the 92th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.