Saint-Antoine-sur-Richelieu
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 one of the Fathers of Confederation, George-Étienne Cartier.
Demographics
Population
Population trend:| Census | Population | Change |
| 2021 | 1,738 | 2.6% |
| 2016 | 1,694 | 2.1% |
| 2011 | 1,659 | 4.1% |
| 2006 | 1,594 | 4.9% |
| 2001 | 1,519 | 0.9% |
| 1996 | 1,533 | 2.7% |
| 1991 | 1,576 | 5.1% |
| 1986 | 1,500 | 66.1% |
| 1981 | 903 | 18.2% |
| 1976 | 764 | 9.3% |
| 1971 | 699 | 4.1% |
| 1966 | 729 | 0.1% |
| 1961 | 730 | 1.4% |
| 1956 | 720 | 2.8% |
| 1951 | 741 | 10.9% |
| 1941 | 832 | 3.9% |
| 1931 | 801 | N/A |
Language
Mother tongue language| Language | Population | Pct |
| French only | 1,670 | 97.1% |
| English only | 30 | 1.7% |
| Both English and French | 10 | 0.6% |
| Other languages | 15 | 0.9% |