Urban agglomeration of Longueuil

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Urban agglomeration of Longueuil
Urban agglomeration
Quebec MRC Longueuil location map.svg
Agglomeration Longueuil.PNG
Country  Canada
Province  Quebec
Region Montérégie
Incorporated January 01, 2002
County seat Longueuil
 • Type Prefecture
 • Regional conference of elected officers Monique Bastien (President)
 • Land 282.43 km2 (109.05 sq mi)
Population (2011)[2]
 • Total 399,097
 • Density 1,413.1/km2 (3,660/sq mi)
 • Pop 2006-2011 Increase 3.5%
 • Dwellings 175,704
Time zone Eastern (UTC-5)
 • Summer (DST) EDT (UTC-4)
Website www.longueuil.ca

The urban agglomeration of Longueuil was created on January 1, 2006 as a result of the de-amalgamation process brought upon by the Charest government. It encompasses all the boroughs that were merged into the previous city of Longueuil and still retains the same area as that mega-city.

The urban agglomeration of Longueuil is coextensive with the territory equivalent to a regional county municipality (TE) and census division (CD) of Longueuil, whose geographical code is 58.

In 2012, Longueuil mayor Caroline St-Hilaire proposed that the Urban agglomeration of Longueuil leave the Montérégie and become its own administrative region.[3]


Longueuil merged on January 1, 2002 with the communities of Boucherville, Brossard, Greenfield Park, LeMoyne, Saint-Bruno-de-Montarville, Saint-Hubert, and Saint-Lambert. These cities became boroughs of the Longueuil megacity. Saint-Lambert and LeMoyne combined to become one borough called Saint-Lambert/LeMoyne. The former city of Longueuil was renamed Le Vieux-Longueuil borough.

The former city hall of Brossard, became the city hall for the new city of Longueuil.

On June 20, 2004, the former boroughs of Boucherville, Brossard, Saint-Bruno-de-Montarville and Saint-Lambert voted to demerge from Longueuil to reconstitute themselves as municipalities on January 1, 2006. The rest of the city stayed intact.

The departure of Saint-Lambert from the city Longueuil resulted in the immediate disbanding of the Saint-Lambert/LeMoyne borough. LeMoyne's small population and territory did not allow it to become a borough of its own. In 2005, the population of LeMoyne was given the choice to pick a new borough between Le Vieux-Longueuil, Saint-Hubert and Greenfield Park. Le Vieux-Longueuil ended up being the winner and amalgamated LeMoyne into its borough on January 1, 2006.

Following the demergers, Longueuil relocated its city hall from Brossard to Saint-Hubert, where it is still located.


According to the Act respecting the exercise of certain municipal powers in certain urban agglomerations, the cities and boroughs of the urban agglomeration of Longueuil are structured as follows:

Central municipality[edit]

Related municipalities[edit]

Population and Reprensentation by district[edit]

2011 Canadian Census / Longueuil

City Population (2011) Pct (%) # of Representatives # of council votes
Blason Ville Ca Boucherville Quebec.svg Boucherville 40,753 10.21% 1 1.76
Blason ville ca Brossard (Québec).svg Brossard 79,273 19.86% 1 3.21
Blason ville ca Longueuil (Québec).svg Longueuil 231,409 57.98% 6 10.63
Blason ville ca Saint-Bruno-de-Montarville.svg Saint-Bruno 26,107 6.54% 1 1.13
Blason ville qc Saint-Lambert sans ornements.svg Saint-Lambert 21,555 5.40% 1 1
Total 399,097 100% 10 17.73

Agglomeration powers[edit]

Under this new system of municipal organization, the agglomeration city and the reconstituted cities (in this case, Boucherville, Brossard, Saint-Bruno-de-Montarville and Saint-Lambert) share powers and responsibilities. The urban agglomeration is headed by an agglomeration council which exercises these agglomeration powers.


Population trend
Year Population Change (%)
2011 399,097 Increase3.5%[2]
2006 385,533 Increase3.7%[4]
2001 371,934 -[4]

Mother tongue from Canada 2006 Census

Language Population Pct (%)
French only 289,215 75.85%
English only 30,695 8.05%
Both English and French 3,020 0.79%
Other languages 58,350 15.3%


Access Routes[edit]

Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:[5]

See also[edit]


  1. ^ Ministère des Affaires Municipales et Régions: Urban agglomeration of Longueuil[dead link]
  2. ^ a b c "2011 Statistics Canada Community Profile: Urban agglomeration of Longueuil, Quebec". 2.statcan.gc.ca. Retrieved 2013-08-01. 
  3. ^ Normandin, Pierre-André (2012-01-31). "Longueuil veut quitter... la Montérégie" (in French). La Presse. Retrieved 3 February 2012. 
  4. ^ a b "2006 Community Profile: Longueuil (Territoire équivalent)". Canada 2006 Census. Statistics Canada. 2010-06-12. Retrieved 9 February 2012. 
  5. ^ Gouvernement du Québec, Ministère des Transports. "Official Transport Quebec Road Map". Quebec511.gouv.qc.ca. Retrieved 2013-08-01. 

External links[edit]

Coordinates: 45°32′N 73°31′W / 45.533°N 73.517°W / 45.533; -73.517