Saint-Constant, Quebec
| Saint-Constant | |
|---|---|
| Saint-Pierre Street in Saint-Constant | |
| Location within Roussillon RCM | |
| Coordinates: 45°22′N 73°34′W / 45.37°N 73.57°W | |
| Country | Canada | 
| Province | Quebec | 
| Region | Montérégie | 
| RCM | Roussillon | 
| Constituted | July 1, 1855 | 
| Government | |
| • Mayor | Jean-Claude Boyer | 
| • Federal riding | La Prairie | 
| • Prov. riding | Sanguinet | 
| Area | |
|  • Total | 57.12 km2 (22.05 sq mi) | 
| • Land | 57.06 km2 (22.03 sq mi) | 
| Population  (2021) | |
|  • Total | 29,954 | 
| • Density | 524.9/km2 (1,359/sq mi) | 
| • Pop (2016-21) | 9.5% | 
| • Dwellings | 11,502 | 
| Time zone | UTC−5 (EST) | 
| • Summer (DST) | UTC−4 (EDT) | 
| Postal code(s) | |
| Area code(s) | 450 and 579 | 
| Highways | A-30   A-730 R-132 R-209 | 
| Website | www | 
Saint-Constant (French pronunciation: [sɛ̃ kɔ̃stɑ̃]) is a city in southwestern Quebec, Canada. It is located on the south shore of Montreal in the Roussillon Regional County Municipality of the Montérégie region. The population as of the Canada 2016 Census was 27,359.