Saint-Constant, Quebec

Saint-Constant
⁨St-Constant⁩ in 2025
Location within Roussillon RCM
Saint-Constant
Location in southern Quebec
Coordinates: 45°22′N 73°34′W / 45.37°N 73.57°W / 45.37; -73.57
CountryCanada
ProvinceQuebec
RegionMontérégie
RCMRoussillon
ConstitutedJuly 1, 1855
Government
 • MayorJean-Claude Boyer
 • Federal ridingLa Prairie
 • Prov. ridingSanguinet
Area
 • Total
57.12 km2 (22.05 sq mi)
 • Land57.06 km2 (22.03 sq mi)
Population
 (2021)
 • Total
29,954
 • Density524.9/km2 (1,359/sq mi)
 • Pop (2016-21)
9.5%
 • Dwellings
11,502
Time zoneUTC−5 (EST)
 • Summer (DST)UTC−4 (EDT)
Postal code(s)
Area codes450 and 579
Highways A-30 A-730
R-132 R-209
Websitewww.ville.saint-constant.qc.ca

Saint-Constant (French pronunciation: [sɛ̃ kɔ̃stɑ̃]) is a city in southwestern Quebec, Canada. It is located on the south shore of Montreal in the Roussillon Regional County Municipality of the Montérégie region. The population as of the Canada 2016 Census was 27,359.