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General information on the provincial electoral divisions

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Westmount-Saint-Louis

Description of the electoral division

(Explanatory note)

The division of Westmount–Saint-Louis comprises the town of Westmount.

It also comprises the part of the Ville de Montréal situated in the borough of Ville-Marie and bounded as follows: the voie Camillien-Houde, the boundary of the borough of Ville-Marie, the boulevard Saint-Laurent and the boulevard René-Lévesque Est, the rue Sanguinet and its extension, the rue Saint-Antoine Est and the rue Saint-Antoine Ouest and the boundary of the borough of Ville-Marie.

Lastly, it comprises the part of the Ville de Montréal situated in the borough of Le Plateau-Mont-Royal and bounded as follows: the avenue du Mont-Royal Ouest and the avenue de l’Esplanade, the rue Rachel Ouest, the boulevard Saint-Laurent and the boundary of the borough of Le Plateau-Mont-Royal.



List of abbreviations

Total area

11,1 km2

Electoral population
(General Election of September 4, 2012)

38 775 electors

History of the electoral division

(Explanatory notes)

1912 The electoral division of WESTMOUNT is created.

The electoral division of MONTRÉAL–SAINT-LOUIS is created.
1965 The electoral division of SAINT-LOUIS is created.
1972 The new electoral division of WESTMOUNT is made up of:
  • a part of the previous electoral division of D'Arcy-McGee;
  • a part of the previous electoral division of Notre-Dame-de-Grâce;
  • a part of the previous electoral division of Sainte-Anne;
  • a part of the previous electoral division of Westmount.


The new electoral division of SAINT-LOUIS is made up of:
  • a part of the previous electoral division of Mercier;
  • a part of the previous electoral division of Sainte-Anne;
  • a part of the previous electoral division of Saint-Jacques;
  • a part of the previous electoral division of Saint-Louis;
  • a part of the previous electoral division of Westmount.
1980 The new electoral division of WESTMOUNT is identical to the previous one.

The new electoral division of SAINT-LOUIS is made up of:
  • a part of the previous electoral division of Sainte-Anne
    (5 827 electors);
  • a part of the previous electoral division of Saint-Louis
    (26 139 electors).
1985 The new electoral division of WESTMOUNT is identical to the previous one.

The new electoral division of SAINT-LOUIS is identical to the previous one.
1988 The new electoral division of WESTMOUNT is made up of:

a part of the previous electoral division of Westmount
(33 076 electors).

The new electoral division of SAINT-LOUIS is made up of:
  • a part of the previous electoral division of Saint-Jacques
    (7 848 electors);
  • the previous electoral division of Saint-Louis
    (31 548 electors).
1992 The electoral division of WESTMOUNT–SAINT-LOUIS is created. It is made up of:
  • a part of the previous electoral division of Sainte-Anne
    (5 634 electors);
  • a part of the previous electoral division of Saint-Louis
    (20 636 electors);
  • a part of the previous electoral division of Westmount
    (14 677 electors).
2001 The new electoral division of WESTMOUNT–SAINT-LOUIS is made up of:

  • a part of the previous electoral division of Westmount–Saint-Louis
    (43 515 electors).
2011 The new electoral division of WESTMOUNT-SAINT-LOUIS comprises
  • Part of the former electoral division of Westmount-Saint-Louis (39,611 electors). 

Socioeconomic files

(Update May 2006)

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Socioeconomic files for Westmount-Saint-Louis (in French)
(PDF: 275 Kb)