Saint-IlpizeSaint-Ilpize is a commune in the Haute-Loire department in south-central France.WWW mairiest-ilpize.frPopulationThe population data in the table and graph below refer to the commune of Saint-Ilpize in its geography at the given years. In 1845 the commune of Villeneuve-d'Allier was established from part of the commune of Saint-Ilpize.