Saint-Antoine-sur-Richelieu is a municipality in southwestern Quebec, Canada, on the Richelieu River in the Regional County Municipality of La Vallée-du-Richelieu. The population as of the Canada 2021 Census was 1,738.

Saint-Antoine-sur-Richelieu was the birthplace of Father of Confederation George-Étienne Cartier.

Demographics

See also

• List of municipalities in Quebec