L'Assomption Regional County Municipality

L'Assomption
Coordinates: 45°48′N 73°26′W / 45.800°N 73.433°W / 45.800; -73.433
Country Canada
Province Quebec
RegionLanaudière
EffectiveJanuary 1, 1983
County seatL'Assomption
Government
  TypePrefecture
  PrefectChantal Deschamps
Area
  Total
285.40 km2 (110.19 sq mi)
  Land255.65 km2 (98.71 sq mi)
Population
 (2016)
  Total
124,759
  Density488.0/km2 (1,264/sq mi)
  Change
2011–2016
4.1%
  Dwellings
50,828
Time zoneUTC−5 (EST)
  Summer (DST)UTC−4 (EDT)
Area code(s)450 and 579
Websitewww.mrclassomption.qc.ca

L'Assomption (French pronunciation: [lasɔ̃psjɔ̃]) is a regional county municipality in the Lanaudière region of Quebec, Canada. The seat is L'Assomption. L'Assomption is located directly north of the city of Montreal.

It is named for the L'Assomption River, which flows through the region from the north before emptying into the Saint Lawrence River in the south of the region at Repentigny.