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Église Saint-Joachim (5).jpg
Coat of arms of Châteauguay
Official logo of Châteauguay
Unita Fortior
(Latin: "Stronger when United")
Location within Roussillon RCM
Location within Roussillon RCM
Châteauguay is located in Southern Quebec
Location in southern Quebec
Coordinates: 45°23′N 73°45′W / 45.38°N 73.75°W / 45.38; -73.75Coordinates: 45°23′N 73°45′W / 45.38°N 73.75°W / 45.38; -73.75[1]
Country Canada
Province Quebec
ConstitutedNovember 3, 1975
 • MayorÉric Allard
 • Federal ridingChâteauguay—Lacolle
 • Prov. ridingChâteauguay
 • City46.50 km2 (17.95 sq mi)
 • Land35.89 km2 (13.86 sq mi)
 • Urban91.44 km2 (35.31 sq mi)
 • City46,264
 • Density1,278.9/km2 (3,312/sq mi)
 • Urban70,812
 • Urban density774.4/km2 (2,006/sq mi)
 • Pop 2006-2011
Increase 7.3%
 • Dwellings
Time zoneUTC−5 (EST)
 • Summer (DST)UTC−4 (EDT)
Postal code(s)
Area code(s)450 and 579

Route 132
Route 138 Edit this at Wikidata

Châteauguay (English: /ˈʃætɡ/ SHAT-oh-gay,[6] French: [ʃɑtoɡɛ], locally [-ɡe]) is an off-island suburb of Montreal, in southwestern Quebec, located both on the Chateauguay River and Lac St-Louis, which is a section of the St. Lawrence River. The population of the city of Châteauguay at the 2011 Census was 45,904, and the population centre was 70,812.[4][5]


Church of Saint-Joachim, a National Historic Site of Canada

The land was first given to Charles Lemoyne by the governor of New France at the time, the Comte de Frontenac with the intention of setting up a seigneurie in the area. Afterwards the seigneurie was assumed by Zacharie Robutel de la Noue in 1706. In 1763 France relinquished its claims in Canada and Châteauguay was now under British mandate. The seigneurie was bought by Marguerite d'Youville, a founder of the Quebec religious society the Grey Nuns in 1765 and 10 years later construction began on the Church of Saint-Joachim.

Châteauguay played an important part in the colonial history of North America. With the United States having declared war on Britain in 1812, Châteauguay was seen as little more than a good vantage point to post troops to defend Montreal against an invasion. This prong of the American advance on Montreal ended with the Battle of the Châteauguay, where on October 26, 1813, Lieutenant Colonel Charles de Salaberry succeeded in halting the American force of 4,000 advancing on Montreal with only some 400 troops, mostly French-Canadian and 170 Kahnawake Mohawk warriors. The second American incursion towards Montreal was defeated shortly after at Crysler's Farm on November 11.

During the Lower Canada Rebellion, Châteauguay was the scene of a notable action involving Les Patriotes. In November 1838, members of the French-Canadian rebel group, including the leaders of the rebels were arrested: François-Maurice Lepailleur, who was later exiled to Australia, and two natives of Châteauguay, Joseph Duquet and Joseph-Narcisse Cardinal, both of whom were later hanged at the prison at Au-pied-du-courant and subsequently interred beneath a monument to les Patriotes at Notre Dame des Neiges cemetery in Montreal.

The actual village of Châteauguay was created in 1855, after the abolition of the seigneurie system in Quebec by the United Province of Canada.[1] #Later on the city annexed two neighboring districts, Châteauguay-Heights (1968) and Châteauguay-Centre (1975). In 1982, with the passage of the Loi sur l'aménagement et l'urbanisme, Québec, the city became part of the Roussillon Regional County Municipality.



Canada census – Châteauguay community profile
2011 2006
Population: 45,904 (+7.3% from 2006) 42,786 (+4.3% from 2001)
Land area: 35.89 km2 (13.86 sq mi) 35.89 km2 (13.86 sq mi)
Population density: 1,278.9/km2 (3,312/sq mi) 1,192.1/km2 (3,088/sq mi)
Median age: 42.2 (M: 40.9, F: 43.6) 41.4 (M: 40.1, F: 42.6)
Total private dwellings: 18,429 16,594
Median household income: $58,008 $54,184
References: 2011[7] 2006[8] earlier[9]
Historical Census Data - Châteauguay, Quebec[10]
1991 39,833—    
1996 41,423+4.0%
2001 41,003−1.0%
2006 42,786+4.3%
2011 45,904+7.3%


Châteauguay has traditionally had one of the highest proportions of English speakers in the Montérégie region. As according to the 2011 census, The prominent languages primarily spoken at home by their relative share of the population are French (60%), English (30%) and Spanish (2%).[11]

Canada Census Mother Tongue - Châteauguay, Quebec[10]
Census Total
French & English
Year Responses Count Trend Pop % Count Trend Pop % Count Trend Pop % Count Trend Pop %
27,405 Increase 0.0007% 57.59% 12,195 Decrease 0.45% 25.62% 855 Increase 11.7% 1.78% 6,355 Increase 34.35% 13.35%
27,385 Increase 0.4% 60.68% 12,250 Increase 14.4% 27.14% 765 Increase 93.7% 1.70% 4,730 Increase 32.1% 10.48%
27,285 Increase 1.5% 65.01% 10,710 Decrease 1.9% 25.52% 395 Decrease 21.8% 0.94% 3,580 Increase 55.7% 8.53%
26,875 Increase 2.2% 66.19% 10,920 Decrease 9.3% 26.90% 505 Increase 11.0% 1.24% 2,300 Increase 8.5% 5.67%
26,285 n/a 64.26% 12,045 n/a 29.45% 455 n/a 1.11% 2,120 n/a 5.18%


Twelve different ethnic groups represent at least 1% of the population in Chateauguay. The most prominent of them according to the 2006 census and their relative share are Canadian (56%), French (29%), Irish (12%), English (10%), and Scottish (9%)

Châteauguay holds the highest percentage, outside of the Island of Montreal, of Black population in Quebec, which is mostly concentrated in the easternmost part of the city.


Town hall of Châteauguay

The current mayor of Châteauguay is Pierre-Paul Routhier.


Public security[edit]

The Châteauguay Police have more than 130 police officers. Their duties include investigations, crime prevention and routine city patrols. The force also participates in many community efforts. The majority of these outreach programs are aimed at Châteauguay youth and focus on the prevention of drug and alcohol use which is widespread among the youth (up to 78% of the teens have used a drug on the course of last month according to a survey). The force, originally having only jurisdiction within the city limits expanded its jurisdiction over the nearby cities of Léry, Mercier, Beauharnois and Saint-Isidore between 2002 and 2007 through agreements between the municipalities. However, Mercier set up an independent policing system in 2019.

Public transit[edit]

Public transportation is assured by CITSO (Conseil Intermunicipal de Transport du Sud-Ouest). They run two Châteauguay-Angrignon loop bus routes circulating in opposite directions. A city minibus transfers commuters from the western part of the suburb to the downtown, where the other off-peak routes pass. During rush hours, more bus routes connect the various neighbourhoods with the Angrignon bus terminal and metro station. A special express bus route connects western Châteauguay and the Châteauguay Park-and-ride with downtown Montreal, only during rush hours. A reserved lane on Highway 138 eastbound makes the connection significantly faster when the Mercier Bridge is congested. The Châteauguay public transit system also offers a Taxi-Bus service which allows those people who live outside of the normal bus routes to, by way of transfer, use a taxi funded by CITSO to drop them off at specific points in the city usually within walking distance of their residence.


Since 1984, Châteauguay has been home to one of the largest HVDC-back-to-back stations in the world with an operating voltage of 140 kV and a maximum transmission rate of 1000 MW.


The majority of the education institutions within Châteauguay are public, with the exception of Collège Héritage. A small list of Châteauguay schools includes:

  • Collège Héritage - Semi-private high school for French-speaking students (also houses 5th and 6th grade elementary school students).
  • Howard S. Billings Regional High School - High school for English-speaking students.
  • Louis-Philippe-Paré, more commonly known as L.P.P. - High school for French-speaking students.
  • Gabrielle-Roy - Middle school for French-speaking students.
  • Centennial Park Elementary - Elementary school for English-speaking students (sometimes known as CPS).
  • St-Jude - Elementary school for French-speaking students.
  • Mary Gardner - Elementary school for English-speaking students.
  • École de La Rive - Elementary school for French-speaking students.
  • Laberge - Elementary school for French-speaking students.
  • Harmony School - Elementary school for English-speaking students.
  • St-Jean-Baptiste - Elementary school for French-speaking students.
  • St. Willibrord - Elementary school for English-speaking students.
  • Gérin-Lajoie - Elementary school for French-speaking students.
  • Notre-Dame-de-l'Assomption - Elementary school for French-speaking students.
  • Marguerite-Bourgeoys - Middle school for French-speaking students.
  • Trois-Sources - Elementary school for French-speaking students.
  • Marc-André Fortier - Elementary school for French-speaking students.

NOVA Career Centre for adult students recently established itself in a building adjacent to Howard S. Billings. It was previously located in the school building.

During the 1980s, three English elementary schools became French due to a demographic shift:

  • St-Paul School: The first, an English Catholic elementary school. It remained at the time property of the Commission Scolaire de Châteauguay. It was later renamed École des Trois Sources.
  • Julius Richardson: The oldest of the English elementary schools in Châteauguay. It closed in the early 80s and became the Centre l'Accore d'Abottsford, later becoming an adult education centre. It was a school belonging to the then "Chateauguay Valley School Board" before being ceded to the "Commission Scolaire de Châteauguay".
  • Robert A. Jobber: The final English school to close. It was shuttered at the end of the 1987–88 school year. During its final years, classroom space was leased out to the Catholic school board to house grade 6 students from neighboring École Laberge. Robert A. Jobber, which is architecturally identical to Centennial Park school, became École Gabrielle Roy. To maintain the Robert A. Jobber name, the gymnasium at Centennial Park was named in his honour.


The city's local newspaper is Le Soleil (The Sun). Châteauguay Express was shut down in 2014.

Famous people[edit]

  • Rick Genest (August 7, 1985 – August 1, 2018), also known as Zombie Boy, was a well-known fashion model and entertainer, famous for the corpse tattoos covering his body.
  • Corey Crawford (born 31 December 1984 in Châteauguay) was a hockey goalie, who played for the Chicago Blackhawks. Crawford was the Blackhawks' 2nd round choice (52nd overall) in the 2003 NHL Entry Draft. He was the second goaltender to be drafted that year after Pittsburgh's Marc-Andre Fleury. Crawford became a Stanley Cup champion on June 24, 2013, when the Blackhawks defeated the Bruins 3–2 in game 6 of the Stanley Cup final in Boston. He later won the Stanley Cup again with Chicago against the Lightning posting a 2–0 shutout in game 6 of the 2015 Stanley Cup Finals. He announced his retirement from the NHL on January 9, 2021.
  • Caroline Van Vlaardingen, a reporter and occasional anchor for CTV Montreal, grew up and attended elementary and high school in Châteauguay, QC.
  • Kim St-Pierre, a goaltender for Team Canada's women hockey team, is a three-time gold medalist at the 2002, the 2006 Winter Olympics, and the 2010 Winter Olympics.
  • Pierre Falardeau, creator of the Elvis Gratton series, is a Châteauguay native. The first 30 minutes of Elvis Gratton, Le King des Kings was filmed in Châteauguay.
  • Award-winning cartoonist Chester Brown was raised in Châteauguay and attended Julius Richardson and Howard S. Billings schools. He was the creator of the SuperBee cartoons in the HSB yearbook.
  • Veteran comic book artist Dale Eaglesham spent the first 26 years of his life in Châteauguay. He is currently illustrating Justice Society of America for DC Comics.
  • Astrophysicist Hubert Reeves was born in the town west of Châteauguay, Léry.
  • Annie Jack, (1839 – 1912), the first Canadian professional woman garden writer, lived and gardened in Châteauguay.
  • Matthew Norman (born 20 June 1988) is an offensive lineman drafted by the BC Lions at the 2012 CFL draft.
  • Robyn Flynn, a radio personality that can be heard on both CJAD and TSN 690 (CKGM), grew up in Châteauguay, QC. She was a member of the Howard S. Billings Regional High School class of 2004.
  • Colin Mochrie, a comedian famous for his role on Whose Line is it Anyway?, lived in Chateauguay for five years as a child.[12]
  • Bilal Butt, host of the afternoon drive on CHOM grew up in Chateauguay, and attended Howard S. Billings Regional High School.
  • Karla Homolka, serial killer who murdered three teenage girls with then-husband Paul Bernardo, has lived in Chateauguay with her family for several years.
  • 2.0 Professional wrestling tag-team currently signed to All Elite Wrestling.
  • Robert Braknis (born January 8, 1973) a member of Canada's National swim team and competed in the 1996 Atlanta Olympics for Canada, grew up in Chateauguay and attended Howard S. Billings Regional High School.

Twin cities[edit]

See also[edit]


  1. ^ Reference number 12688 of the Commission de toponymie du Québec (in French)
  2. ^ a b "Ministère des Affaires municipales, des Régions et de l'Occupation du territoire: Châteauguay". Archived from the original on 2013-12-15. Retrieved 2012-03-11.
  3. ^ Riding history for Châteauguay–Saint-Constant, Quebec from the Library of Parliament
  4. ^ a b c "Census Profile - Châteauguay, Ville". Canada 2011 Census. Statistics Canada. 2012-02-08. Retrieved 10 February 2012.
  5. ^ a b c "Census Profile - Châteauguay, Population Centre". Canada 2011 Census. Statistics Canada. 2012-02-08. Retrieved 10 February 2012.
  6. ^ The Canadian Press (2017), The Canadian Press Stylebook (18th ed.), Toronto: The Canadian Press
  7. ^ "2011 Community Profiles". 2011 Canadian Census. Statistics Canada. July 5, 2013. Retrieved 2014-02-19.
  8. ^ "2006 Community Profiles". 2006 Canadian Census. Statistics Canada. March 30, 2011. Retrieved 2014-02-19.
  9. ^ "2001 Community Profiles". 2001 Canadian Census. Statistics Canada. February 17, 2012.
  10. ^ a b Statistics Canada: 1996, 2001, 2001 2006, 2016 census
  11. ^ Census Canada 2011 Châteauguay Profile
  12. ^ "Colin Mochrie". TVSA. Retrieved October 16, 2012.
  13. ^ a b c "Villes jumelées | Ville de Châteauguay". (in French). 2011-09-16. Archived from the original on 2019-10-28. Retrieved 2019-10-28.

External links[edit]