Mont-Saint-Hilaire

Mont-Saint-Hilaire
Mont-Saint-Hilaire
Location within La Vallée-du-Richelieu RCM.
Mont-Saint-Hilaire
Location in southern Quebec.
Coordinates: 45°33′44″N 73°11′30″W / 45.56222°N 73.19167°W / 45.56222; -73.19167
Country Canada
Province Quebec
RegionMontérégie
RCMLa Vallée-du-Richelieu
Constituted12 March 1966
Government
  MayorMarc-André Guertin
  Federal ridingBeloeil—Chambly
  Prov. ridingBorduas
Area
  Total
45.50 km2 (17.57 sq mi)
  Land44.08 km2 (17.02 sq mi)
Population
 (2021)
  Total
18,859
  Density427.8/km2 (1,108/sq mi)
  Pop 2016–2021
1.5%
  Dwellings
7,917
Time zoneUTC−5 (EST)
  Summer (DST)UTC−4 (EDT)
Postal code(s)
Area code(s)450 and 579
Highways
A-20 (TCH)

R-116
R-133
Websitewww.villemsh.ca

Mont-Saint-Hilaire (French pronunciation: [mɔ̃ sɛ̃t‿ilɛʁ]) is a suburb of Montreal on the South Shore of southeastern Quebec, Canada, on the Richelieu River in the Regional County Municipality of La Vallée-du-Richelieu. The population as of the Canada 2021 Census was 18,859. The city is named after the Mont Saint-Hilaire.

A significant deposit of the semi-precious mineral sodalite is located near Mont-Saint-Hilaire.