Morsang-sur-Orge Population and Area (Essonne)
Largest city in France 2026: up-to-date figures for Morsang-sur-Orge (Essonne)
Morsang-sur-Orge: Population and Area
With 21,850 inhabitants (INSEE total population in force on January 1, 2026), Morsang-sur-Orge is the 435th most populous town in France in 2026 and the 22nd most populous in the Essonne department, out of 194 communes. It covers 4.39 km² (30,961st largest area in France, 165th largest in the department), with a population density of 4,977 inhabitants per km², or 45 times the national average (110 inhabitants/km²), which ranks it 141st in France for density.
Morsang-sur-Orge is located in the Essonne department (91), in the Île-de-France region, where it ranks 160th by population out of 1,266 communes. The most populous town in the Essonne department is Évry-Courcouronnes (67,272 inhabitants); the department is home to 1,351,891 people over 1,804 km².
See the full ranking of communes in the Essonne department and the regional ranking: largest city in Île-de-France.
Towns of similar size in the Essonne department: Gif-sur-Yvette (pop. 23,077), Longjumeau (pop. 22,131), Saint-Michel-sur-Orge (pop. 21,901), Chilly-Mazarin (pop. 20,539), Juvisy-sur-Orge (pop. 19,375), Orsay (pop. 16,869).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 91434. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.