Sainte-Catherine is an off-island suburb of Montreal, in southwestern Quebec, Canada on the St. Lawrence River in the Regional County Municipality of Roussillon. The population as of the Canada 2006 Census was 16,211. The land had been occupied for more than three centuries, since the establishment of the Iroquois mission in 1676, it is only in 1937 that the founding of la paroisse de Sainte-Catherine de Laprairie really marks a territorial organization. In 1973, a demographic boom finally granted the status of town to the village. In 2006, according to the city's official site, there were 17,000 inhabitants in Sainte-Catherine.