Gif-sur-Yvette Population and Area (Essonne)
Largest city in France 2026: up-to-date figures for Gif-sur-Yvette (Essonne)
Gif-sur-Yvette: Population and Area
With 23,077 inhabitants (INSEE total population in force on January 1, 2026), Gif-sur-Yvette is the 402nd most populous town in France in 2026 and the 19th most populous in the Essonne department, out of 194 communes. It covers 12 km² (16,418th largest area in France, 43rd largest in the department), with a population density of 1,989 inhabitants per km², or 18 times the national average (110 inhabitants/km²), which ranks it 455th in France for density.
Gif-sur-Yvette is located in the Essonne department (91), in the Île-de-France region, where it ranks 148th 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: Brunoy (pop. 26,090), Les Ulis (pop. 25,986), Montgeron (pop. 24,316), Longjumeau (pop. 22,131), Saint-Michel-sur-Orge (pop. 21,901), Morsang-sur-Orge (pop. 21,850).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 91272. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.