
Roissy-en-Brie Population and Area (Seine-et-Marne)
Largest city in France 2026: up-to-date figures for Roissy-en-Brie (Seine-et-Marne)
Roissy-en-Brie Density
1,712 inhabitants/km²TOP #539
Roissy-en-Brie: Population and Area
With 23,370 inhabitants (INSEE total population in force on January 1, 2026), Roissy-en-Brie is the 395th most populous town in France in 2026 and the 11th most populous in the Seine-et-Marne department, out of 507 communes. It covers 14 km² (13,635th largest area in France, 146th largest in the department), with a population density of 1,712 inhabitants per km², or 16 times the national average (110 inhabitants/km²), which ranks it 539th in France for density.
Roissy-en-Brie is located in the Seine-et-Marne department (77), in the Île-de-France region, where it ranks 145th by population out of 1,266 communes. The most populous town in the Seine-et-Marne department is Meaux (57,360 inhabitants); the department is home to 1,484,180 people over 5,915 km².
See the full ranking of communes in the Seine-et-Marne department and the regional ranking: largest city in Île-de-France.
Towns of similar size in the Seine-et-Marne department: Villeparisis (pop. 27,070), Dammarie-les-Lys (pop. 23,673), Combs-la-Ville (pop. 23,522), Torcy (pop. 22,941), Montereau-Fault-Yonne (pop. 22,467), Lagny-sur-Marne (pop. 21,673).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 77390. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.