Montigny-le-Bretonneux Population and Area (Yvelines)
Largest city in France 2026: up-to-date figures for Montigny-le-Bretonneux (Yvelines)
Montigny-le-Bretonneux Population
32,969 inhabitantsTOP #256
Montigny-le-Bretonneux: Population and Area
With 32,969 inhabitants (INSEE total population in force on January 1, 2026), Montigny-le-Bretonneux is the 256th most populous town in France in 2026 and the 10th most populous in the Yvelines department, out of 259 communes. It covers 12 km² (16,328th largest area in France, 55th largest in the department), with a population density of 2,830 inhabitants per km², or 26 times the national average (110 inhabitants/km²), which ranks it 317th in France for density.
Montigny-le-Bretonneux is located in the Yvelines department (78), in the Île-de-France region, where it ranks 87th 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: Les Mureaux (pop. 34,793), Trappes (pop. 34,788), Houilles (pop. 34,268), Plaisir (pop. 32,147), Le Chesnay-Rocquencourt (pop. 31,339), Chatou (pop. 31,112).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 78423. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.