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 2011 Census was 1,659.Demographics
Population
Population trend:
| Census | Population | Change |
| 2011 | 1,659 | 4.1% |
| 2006 | 1,594 | 4.9% |
| 2001 | 1,519 | 0.9% |
| 1996 | 1,533 | 2.7% |
| 1991 | 1,576 | N/A |
Language
Mother tongue language
| Language | Population | Pct |
| French only | 1,505 | 97.41% |
| English only | 15 | 0.97% |
| Both English and French | 0 | 0.00% |
| Other languages | 25 | 1.62% |
