
Agen Population and Area (Lot-et-Garonne)
Largest city in France 2026: up-to-date figures for Agen (Lot-et-Garonne)
Agen: Population and Area
With 33,656 inhabitants (INSEE total population in force on January 1, 2026), Agen is the 249th most populous town in France in 2026 and the most populous in the Lot-et-Garonne department, out of 319 communes. It covers 11 km² (16,567th largest area in France, 205th largest in the department), with a population density of 2,929 inhabitants per km², or 27 times the national average (110 inhabitants/km²), which ranks it 300th in France for density.
Agen is located in the Lot-et-Garonne department (47), in the Nouvelle-Aquitaine region (formerly Aquitaine), where it ranks 15th by population out of 4,293 communes. It is the most populous town in the Lot-et-Garonne department, which is home to 341,487 people over 5,361 km².
See the full ranking of communes in the Lot-et-Garonne department and the regional ranking: largest city in Nouvelle-Aquitaine.
Towns of similar size in the Lot-et-Garonne department: Villeneuve-sur-Lot (pop. 23,095), Marmande (pop. 17,833), Tonneins (pop. 9,619).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 47001. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.