Millau Population and Area (Aveyron)
Largest city in France 2026: up-to-date figures for Millau (Aveyron)
Millau: Population and Area
With 22,678 inhabitants (INSEE total population in force on January 1, 2026), Millau is the 410th most populous town in France in 2026 and the 2nd most populous in the Aveyron department, out of 285 communes. It covers 168 km² (65th largest area in France, 2nd largest in the department), with a population density of 135 inhabitants per km², close to the national average (110 inhabitants/km²), which ranks it 6,602nd in France for density.
Millau is located in the Aveyron department (12), in the Occitanie region (formerly Midi-Pyrénées), where it ranks 24th by population out of 4,446 communes. The most populous town in the Aveyron department is Rodez (25,685 inhabitants); the department is home to 289,413 people over 8,735 km².
See the full ranking of communes in the Aveyron department and the regional ranking: largest city in Occitanie.
Towns of similar size in the Aveyron department: Rodez (pop. 25,685), Onet-le-Château (pop. 12,679), Villefranche-de-Rouergue (pop. 11,734), Saint-Affrique (pop. 8,485).
Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 12145. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.