Saint-Hyacinthe

Saint-Hyacinthe
Ville de Saint-Hyacinthe
Saint-Hyacinthe in 2025
Location within Les Maskoutains RCM
Saint-Hyacinthe
Location in southern Quebec
Coordinates: 45°37′N 72°57′W / 45.617°N 72.950°W / 45.617; -72.950
CountryCanada
ProvinceQuebec
RegionMontérégie
RCMLes Maskoutains
Founded1849
Constituted27 December 2001
Government
 • MayorAndré Beauregard
 • Federal ridingSaint-Hyacinthe—Bagot
 • Prov. ridingSaint-Hyacinthe
Area
 • City
191.60 km2 (73.98 sq mi)
 • Land188.97 km2 (72.96 sq mi)
 • Urban
30.8 km2 (11.9 sq mi)
 • Metro
328.53 km2 (126.85 sq mi)
Population
 (2016)
 • City
59,614
 • Density294.5/km2 (763/sq mi)
 • Urban
50,616
 • Urban density1,643.4/km2 (4,256/sq mi)
 • Metro
56,794
 • Metro density181.5/km2 (470/sq mi)
 • Pop 2011-2016
4.5%
 • Dwellings
25,483
Time zoneUTC−05:00 (EST)
 • Summer (DST)UTC−04:00 (EDT)
Postal code(s)
Area codes450 and 579
Highways
A-20 (TCH)

R-116
R-137
R-224
R-231
R-235
WebsiteOfficial website

Saint-Hyacinthe (/ ...ˈh.əsɪnθ/ ... HY-ə-sinth, French: [sɛ̃t‿ijasɛ̃t]) is a city in southwestern Quebec east of Montreal on the Yamaska River. The population as of the 2021 Canadian census was 57,239. The city is located in Les Maskoutains Regional County Municipality of the Montérégie region, and is traversed by the Yamaska River. Quebec Autoroute 20 runs perpendicular to the river. Saint-Hyacinthe is the seat of the judicial district of the same name.