Vélizy-Villacoublay Population and Area (Yvelines)
Largest city in France 2026: up-to-date figures for Vélizy-Villacoublay (Yvelines)
Vélizy-Villacoublay: Population and Area
With 23,206 inhabitants (INSEE total population in force on January 1, 2026), Vélizy-Villacoublay is the 400th most populous town in France in 2026 and the 18th most populous in the Yvelines department, out of 259 communes. It covers 8.93 km² (21,071st largest area in France, 99th largest in the department), with a population density of 2,599 inhabitants per km², or 24 times the national average (110 inhabitants/km²), which ranks it 347th in France for density.
Vélizy-Villacoublay is located in the Yvelines department (78), in the Île-de-France region, where it ranks 147th 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: Rambouillet (pop. 28,364), Élancourt (pop. 26,611), Maisons-Laffitte (pop. 23,549), Mantes-la-Ville (pop. 22,504), Achères (pop. 22,367), Saint-Cyr-l'École (pop. 21,838).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 78640. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.