Saint-Mathieu, Quebec
| Saint-Mathieu | |
|---|---|
| Rue Principale in Saint-Mathieu | |
| Location within Roussillon RCM | |
| Coordinates: 45°19′00″N 073°30′59″W / 45.31667°N 73.51639°W | |
| Country | Canada | 
| Province | Quebec | 
| Region | Montérégie | 
| RCM | Roussillon | 
| Constituted | August 1, 1917 | 
| Government | |
| • Mayor | Lise Poissant | 
| • Federal riding | La Prairie | 
| • Prov. riding | Sanguinet | 
| Area | |
|  • Total | 31.50 km2 (12.16 sq mi) | 
| • Land | 31.41 km2 (12.13 sq mi) | 
| Population  (2021) | |
|  • Total | 2,339 | 
| • Density | 74.5/km2 (193/sq mi) | 
| • Pop 2016-2021 | 8.5% | 
| • Dwellings | 951 | 
| Time zone | UTC−5 (EST) | 
| • Summer (DST) | UTC−4 (EDT) | 
| Postal code(s) | |
| Area code(s) | 450 and 579 | 
| Highways | A-15 | 
| Website | saint-mathieu | 
Saint-Mathieu (French pronunciation: [sɛ̃ matjø]) is a municipality situated in the Montérégie administrative region in Quebec, Canada. The population as of the Canada 2021 Census was 2,339. It is part of the Roussillon Regional County Municipality.