Montigny-lès-Cormeilles Population and Area (Val-d'Oise)
Largest city in France 2026: up-to-date figures for Montigny-lès-Cormeilles (Val-d'Oise)
Montigny-lès-Cormeilles: Population and Area
With 22,555 inhabitants (INSEE total population in force on January 1, 2026), Montigny-lès-Cormeilles is the 415th most populous town in France in 2026 and the 19th most populous in the Val-d'Oise department, out of 183 communes. It covers 4.07 km² (31,587th largest area in France, 136th largest in the department), with a population density of 5,542 inhabitants per km², or 51 times the national average (110 inhabitants/km²), which ranks it 118th in France for density.
Montigny-lès-Cormeilles is located in the Val-d'Oise department (95), in the Île-de-France region, where it ranks 151st by population out of 1,266 communes. The most populous town in the Val-d'Oise department is Argenteuil (106,546 inhabitants); the department is home to 1,290,942 people over 1,246 km².
See the full ranking of communes in the Val-d'Oise department and the regional ranking: largest city in Île-de-France.
Towns of similar size in the Val-d'Oise department: Eaubonne (pop. 26,558), Saint-Ouen-l'Aumône (pop. 25,699), Deuil-la-Barre (pop. 23,287), Montmorency (pop. 21,993), Saint-Gratien (pop. 21,427), Éragny-sur-Oise (pop. 18,573).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 95424. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.