Saint-Roch-de-l'Achigan

Saint-Roch-de-l'Achigan
Location within Montcalm RCM
St-Roch-de-l'Achigan
Location in central Quebec
Coordinates: 45°51′N 73°36′W / 45.850°N 73.600°W / 45.850; -73.600
Country Canada
Province Quebec
RegionLanaudière
RCMMontcalm
Settled1770
ConstitutedJuly 1, 1855
Government
 • MayorSébastien Marcil
 • Federal ridingMontcalm
 • Prov. ridingRousseau
Area
79.94 km2 (30.87 sq mi)
 • Land80.06 km2 (30.91 sq mi)
 • Urban
1.41 km2 (0.54 sq mi)
 There is an apparent discrepancy between 2 authoritative sources.
Population
 (2021)
5,453
 • Density68.1/km2 (176/sq mi)
 • Urban
2,136
 • Urban density1,515.1/km2 (3,924/sq mi)
 • Pop (2016–21)
5.9%
 • Dwellings
2,226
Time zoneUTC−5 (EST)
 • Summer (DST)UTC−4 (EDT)
Postal code(s)
Area codes450, 579
Highways
A-25
R-125
R-339
R-341
Websitesra.quebec

Saint-Roch-de-l'Achigan is a municipality located in the Montcalm Regional County Municipality, in the Lanaudière region of Quebec, Canada. It is on the banks of the Achigan River, a tributary of the L'Assomption River. According to the town's website, the population is approximately 5,400 and growing steadily as a result of the suburban sprawl in the North Shore of Greater Montreal.