Maisons-Laffitte Population and Area (Yvelines)
Largest city in France 2026: up-to-date figures for Maisons-Laffitte (Yvelines)
Maisons-Laffitte: Population and Area
With 23,549 inhabitants (INSEE total population in force on January 1, 2026), Maisons-Laffitte is the 391st most populous town in France in 2026 and the 17th most populous in the Yvelines department, out of 259 communes. It covers 6.75 km² (25,574th largest area in France, 140th largest in the department), with a population density of 3,489 inhabitants per km², or 32 times the national average (110 inhabitants/km²), which ranks it 236th in France for density.
Maisons-Laffitte is located in the Yvelines department (78), in the Île-de-France region, where it ranks 143rd by population out of 1,266 communes. The most populous town in the Yvelines department is Versailles (85,750 inhabitants); the department is home to 1,508,510 people over 2,284 km².
See the full ranking of communes in the Yvelines department and the regional ranking: largest city in Île-de-France.
Towns of similar size in the Yvelines department: Guyancourt (pop. 30,226), Rambouillet (pop. 28,364), Élancourt (pop. 26,611), Vélizy-Villacoublay (pop. 23,206), Mantes-la-Ville (pop. 22,504), Achères (pop. 22,367).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 78358. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.