L'Assomption, Quebec

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Lassomption-vue air.jpg
Location within L'Assomption RCM.
Location within L'Assomption RCM.
L'Assomption is located in Central Quebec
Location in central Quebec.
Coordinates: 45°50′N 73°25′W / 45.833°N 73.417°W / 45.833; -73.417Coordinates: 45°50′N 73°25′W / 45.833°N 73.417°W / 45.833; -73.417[1]
Country  Canada
Province  Quebec
Region Lanaudière
RCM L'Assomption
Settled 1670s
Constituted July 1, 2000
 • Mayor Jean-Claude Gingras
 • Federal riding Repentigny
 • Prov. riding L'Assomption
 • Total 100.80 km2 (38.92 sq mi)
 • Land 98.90 km2 (38.19 sq mi)
Population (2011)[3]
 • Total 20,065
 • Density 202.9/km2 (526/sq mi)
 • Pop 2006–2011 Increase 20.0%
Time zone EST (UTC−5)
 • Summer (DST) EDT (UTC−4)
Postal code(s) J5W
Area code(s) 450 and 579

Route 339
Route 341
Route 343
Route 344
Website www.ville.lassomption.qc.ca

L'Assomption is an off-island suburb of Montreal, in southwestern Quebec, Canada on the L'Assomption River. It is the seat of the Regional County Municipality of L'Assomption. It is located on the outer fringes of the Montreal urban area.

Most of the economy depends on the agricultural industries of the surrounding plains. It is also the cultural center of the region.



In 1647, the L'Assomption Seignory was granted to Pierre Legardeur de Repentigny, named after the river already named such since the seventeenth century. Between 1640 and 1700, a settlement formed inside a large horseshoe-shaped meander of the L'Assomption River. Amerindians had already been visiting this site since ancient times and called it Outaragasipi meaning widening river, in reference to the river's course. They would drag their canoes across the peninsula as a short-cut for the meander, and therefore the settlement was first called Le Portage.[1]

In 1717, the parish was formed, known thereafter as Saint-Pierre-du-Portage-de-l'Assomption and also as Saint-Pierre-et-Saint-Paul-du-Portage. In 1766, the village saw an influx of Acadian settlers. Between 1774 and 1888, L'Assomption was the most prosperous and important town between Montreal and Trois-Rivieres.[1]

In 1845, the L'Assomption Municipality was established, abolished in 1847, but reestablished as a parish municipality in 1855. In 1846, the village itself became a separate Village Municipality and obtained town status in 1888.[1]

In 1992, the town and parish municipality were merged again, and on July 1, 2000, the neighbouring Parish Municipality of Saint-Gérard-Majella was amalgamated with Ville de L'Assomption.[1]

In December 2010, the 1,300-worker Electrolux factory announced that it would close, relocating to Memphis, Tennessee.[4]


Population trend:[5]

  • Population in 2011: 20,065 (2006 to 2011 population change: 20.0%)
  • Population in 2006: 16,738
  • Population in 2001: 15,615
  • Population in 1996:
    • L'Assomption: 11,366
    • Saint-Gérard-Majella: 4,207
  • Population in 1991:
    • L'Assomption: 10,817
    • Saint-Gérard-Majella: 3,239

Private dwellings occupied by usual residents: 7938 (total dwellings: 8189)


See also[edit]