Saint-Mathias-sur-Richelieu
Saint-Mathias-sur-Richelieu is a municipality in the Canadian province of Quebec. It is located within the Rouville Regional County Municipality in the Montérégie region on the Richelieu River. The population as of the Canada 2011 Census was 4,618. Demographics Population Population trend: CensusPopulationChange (%)20114,618 2.5%20064,506 8.6%20014,149 3.4%19964,014 13.0%19913,553N/ALanguage Mother tongue language (2006) LanguagePopulationPct (%)French only4,17593.40%English only2104.70%Both Eng…