Gentilly Population and Area (Val-de-Marne)
Largest city in France 2026: up-to-date figures for Gentilly (Val-de-Marne)
Gentilly: Population and Area
With 20,062 inhabitants (INSEE total population in force on January 1, 2026), Gentilly is the 492nd most populous town in France in 2026 and the 30th most populous in the Val-de-Marne department, out of 47 communes. It covers 1.18 km² (34,756th largest area in France, 45th largest in the department), with a population density of 17,002 inhabitants per km², or 155 times the national average (110 inhabitants/km²), which ranks it 14th in France for density.
Gentilly is located in the Val-de-Marne department (94), in the Île-de-France region, where it ranks 177th by population out of 1,266 communes. The most populous town in the Val-de-Marne department is Vitry-sur-Seine (94,393 inhabitants); the department is home to 1,435,612 people over 245 km².
See the full ranking of communes in the Val-de-Marne department and the regional ranking: largest city in Île-de-France.
Towns of similar size in the Val-de-Marne department: Saint-Mandé (pop. 21,228), Villeneuve-le-Roi (pop. 21,062), Joinville-le-Pont (pop. 20,675), Chevilly-Larue (pop. 19,900), Chennevières-sur-Marne (pop. 18,815), Bry-sur-Marne (pop. 18,807).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 94037. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.