About St. Tammany Parish
St. Tammany Parish is a city located in United States, in the Louisiana region. According to the latest available data (2026), the population of St. Tammany Parish is approximately 264,570 residents, making it the #296 most populous city in United States.
Globally, St. Tammany Parish ranks #6,971 among the world's most populated cities.
St. Tammany Parish City Statistics
| City | St. Tammany Parish |
| Country |  United States |
| Population | 264,570 |
| Global Rank | #6,971 |
| Rank in United States | #296 of 867 cities |
| City Category | city |
| Region | Louisiana |
| Latitude | 30.4 |
| Longitude | -89.96 |
| Data Year | 2026 |
Where is St. Tammany Parish Located?
St. Tammany Parish is located in United States, in the Louisiana region, at coordinates 30.4° latitude and -89.96° longitude. St. Tammany Parish sits in the subtropics, typically enjoying warm temperatures year-round.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of St. Tammany Parish?
The population of St. Tammany Parish is approximately 264,570 residents according to the latest available data (2026).
Where is St. Tammany Parish located?
St. Tammany Parish is located in United States at approximately 30.4° latitude and -89.96° longitude.
Is St. Tammany Parish one of the largest cities in United States?
With a population of 264,570, St. Tammany Parish is one of the notable urban areas in United States. It ranks #296 out of 867 cities in the country.
