Élancourt Population and Area (Yvelines)
Largest city in France 2026: up-to-date figures for Élancourt (Yvelines)
Élancourt: Population and Area
With 26,611 inhabitants (INSEE total population in force on January 1, 2026), Élancourt is the 345th most populous town in France in 2026 and the 16th most populous in the Yvelines department, out of 259 communes. It covers 8.51 km² (21,812th largest area in France, 107th largest in the department), with a population density of 3,127 inhabitants per km², or 29 times the national average (110 inhabitants/km²), which ranks it 274th in France for density.
Élancourt is located in the Yvelines department (78), in the Île-de-France region, where it ranks 130th 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: Chatou (pop. 31,112), Guyancourt (pop. 30,226), Rambouillet (pop. 28,364), Maisons-Laffitte (pop. 23,549), Vélizy-Villacoublay (pop. 23,206), Mantes-la-Ville (pop. 22,504).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 78208. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.