Saint-Louis Population and Area (Réunion)
Largest city in France 2026: up-to-date figures for Saint-Louis (Réunion)
Saint-Louis: Population and Area
With 55,653 inhabitants (INSEE total population in force on January 1, 2026), Saint-Louis is the 113th most populous town in France in 2026 and the 6th most populous in the Réunion department, out of 24 communes. It covers 99 km² (233rd largest area in France, 11th largest in the department), with a population density of 563 inhabitants per km², or 5.1 times the national average (110 inhabitants/km²), which ranks it 1,666th in France for density.
Saint-Louis is located in the Réunion department (974), in the Réunion region, where it ranks 6th by population out of 24 communes. The most populous town in the Réunion department is Saint-Denis (157,142 inhabitants); the department is home to 899,660 people over 2,504 km².
See the full ranking of communes in the Réunion department and the regional ranking: largest city in Réunion.
Towns of similar size in the Réunion department: Saint-Pierre (pop. 85,927), Le Tampon (pop. 83,518), Saint-André (pop. 59,351), Saint-Joseph (pop. 39,763), Saint-Benoît (pop. 38,967), Sainte-Marie (pop. 37,527).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 97414. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.