Montaigu-Vendée Population and Area (Vendée)

Montaigu-Vendée: Population and Area

With 21,789 inhabitants (INSEE total population in force on January 1, 2026), Montaigu-Vendée is the 438^th most populous town in France in 2026 and the 4^th most populous in the Vendée department, out of 253 communes. It covers 117 km² (171^st largest area in France, largest in the department), with a population density of 187 inhabitants per km², or 1.7 times the national average (110 inhabitants/km²), which ranks it 4,819^th in France for density.

Montaigu-Vendée is located in the Vendée department (85), in the Pays de la Loire region, where it ranks 20^th by population out of 1,228 communes. The most populous town in the Vendée department is La Roche-sur-Yon (57,683 inhabitants); the department is home to 732,903 people over 6,714 km².

See the full ranking of communes in the Vendée department and the regional ranking: largest city in Pays de la Loire.

Towns of similar size in the Vendée department: La Roche-sur-Yon (pop. 57,683), Les Sables-d'Olonne (pop. 50,924), Challans (pop. 23,627), Les Herbiers (pop. 17,053), Fontenay-le-Comte (pop. 14,668), Saint-Hilaire-de-Riez (pop. 13,344).

Sources: INSEE, official population figures in force on January 1, 2026 (total population); areas: IGN / Observatoire des territoires; INSEE code 85146. Rankings are calculated across the 34,858 communes of metropolitan and overseas France in our database.