ChâteauguayQuebec
Between 2016 and 2021, its population grew by 6%. Population 53,508: a town in Quebec.
Is Châteauguay a good place to live?
A town of contrasts. Health outcomes beat most towns (A). Prices are high against local incomes (C−). Hazard risk is weaker too (C−). All told, that adds up to a B overall and a rank of #288 of 499 in Quebec. Set against the rest, it does better than 62% of Canadian towns.
Rents here are the metro area's average, shared by every town and neighbourhood in it. No School Grade: this province doesn't publish comparable results school by school. Health is graded on the health region's survey figures and life expectancy, with the distance to hospital giving the town its own spread.
What makes Châteauguay stand out
The 3 things Châteauguay does most differently from other towns.
How Châteauguay grades
Each subject compares Châteauguay with Canadian towns of 2,500 or more, ordered by how far it is from the middle. Towns in other countries are graded separately.
How TownRatings grades Canadian towns →
The data
Data highlights are ordered by what stands out in Châteauguay.
For health, Châteauguay gets an A
Statistics Canada puts the region’s life expectancy at 82.5, women 84.2 and men 80.8 (2022/2024). The region has fewer smokers than Quebec, just over one in ten adults to 12%. Across the region, 55% of adults say their health is very good or excellent, much as in Quebec (57%). The three chronic conditions the survey tracks average 15% of adults, close to Quebec’s towns (15%) and below Canadian towns (17%). Nobody publishes health survey and life expectancy for Châteauguay alone, so this card uses the figure for the Région de la Montérégie.
Very good or excellent health · adults, age-standardised
| Health | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Chronic conditions (average share) | 15% | 15% | 17% |
| Very good or excellent health | 55% | 56% | 52% |
| Smokers | 11% | 12% | 12% |
| Life expectancy at birth | 82.5 | 82.5 | 81.5 |
Statistics Canada, Canadian Community Health Survey 2023/2024 and life expectancy 2022/2024; Open Database of Healthcare Facilities
A flood study covers Châteauguay: 2 on the national inventory, the newest from MRC Roussillon
Measured across the Monteregie health region: radon tests
Seismic risk runs high: $0.20 of expected damage per $1,000 of buildings a year, the typical town $0.030. Châteauguay’s survey area, 8.2% over the radon guideline, is close to the typical town’s 6.6%.
Radon tests above the guideline · share of tested homes, 200 Bq/m³
| Hazards | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Earthquake loss per $1,000 of buildings a year | $0.20 | $0.14 | $0.030 |
| Radon tests above the guideline | 8.2% | 8.2% | 6.6% |
NRCan seismic risk model and burned areas, Health Canada radon survey, the Flood Hazard Map Inventory
Measured against local pay, Châteauguay costs more to live in than 79% of Canadian towns
18% of households spent 30% or more of their income on shelter, about level with Canadian towns (18%) and above Quebec’s towns (13%). Households that own their home make up 72%.
What homes were worth · The median owner’s estimate at the 2021 census
| Census 2021 | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Households spending 30%+ on shelter | 18% | 13% | 18% |
| Rent as a share of income | 20% | 18% | 20% |
Statistics Canada, Census 2021; CMHC Rental Market Survey via Statistics Canada · These are 2021 census values, as owners judged them, set against household income in 2020. · Rent as a share of income and monthly rent for a two-bedroom published for the Montréal metro area, not by town
Trips to work from Châteauguay take longer than from Quebec’s towns or Canadian towns: 29 min on average
The car carried 86% of commuters at the census.
How working residents got to work · census 2021
| Census 2021 | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Average trip | 29 min | 27 min | 26 min |
| Car or van | 86% | 90% | 89% |
Statistics Canada, Census 2021 (labour and commuting) · These are May 2021 figures, gathered while COVID-19 kept many people home or out of work.
For safety, Châteauguay gets a B+
Thefts, break-ins and damage add up to 14.5 per 1,000 residents a year. For violence alone the index was 86, about level with both Quebec’s towns (88) and Canadian towns (86).
Year by year · Crime Severity Index for each year
| 2023–2025 | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Property crime per 1,000 | 14.5 | 16.6 | 31.2 |
| Violent crime | 14.5 | 12.4 | 12 |
Statistics Canada, Uniform Crime Reporting Survey, 2023–2025 average
Châteauguay has more protected land around it than 9 in 10 Canadian towns
The nearest provincial park, Oka National Park (Québec), is 17 km away. 34 areas within 10 km are protected for nature. No national park lies within 100 km. 3 beaches are mapped within 5 km, the nearest Johnson Beach.
Protected land · of the land within 10 km
| Outdoors | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Protected land within 10 km | 19% | 4.9% | 2.3% |
| Public protected areas within 10 km | 20 | 10 | 4 |
Canadian Protected and Conserved Areas Database (CPCAD), OpenStreetMap routes and beaches
Summer afternoons in Châteauguay are warmer than in 78% of Canadian towns
For the wettest month, look to October: 103 mm on average. Frost comes on 146 days a year, lower than both Quebec’s towns (161) and Canadian towns (159). Gardeners get 167 frost-free days, from 29 April to 14 October. Also worth knowing: most of the snow comes in January, about 52 cm.
Average high by season · ECCC normals, 1991–2020
| Normals, 1991–2020 | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Snowfall a year | 217 cm | 217 cm | 141 cm |
| July afternoon high | 26.7°C | 26.5°C | 25.5°C |
| Days with frost a year | 146 | 161 | 159 |
| Precipitation a year | 1,041 mm | 1,041 mm | 883 mm |
Environment and Climate Change Canada, Canadian Climate Normals 1991–2020 (Montréal Trudeau (Airport))
Expect November days around 6°C in Châteauguay, nights around −2°C
Over the year, July is warmest at 27°C by day and January coldest at −14°C by night. Looking ahead to December, expect highs near −1°C and lows near −9°C. About 16 cm of snow falls in a normal November. A normal November brings 84 mm of rain and snow.
Normal highs, the months ahead · ECCC normals, 1991–2020
| Season | High | Low | Rain and snow |
|---|---|---|---|
| Winter | −3°C | −12°C | 243 mm |
| Spring | 11°C | 1°C | 253 mm |
| Summer | 26°C | 15°C | 268 mm |
| Autumn | 13°C | 5°C | 277 mm |
ECCC normals, 1991–2020 (Montréal Trudeau (Airport)); the forecast is on the Weather page
Châteauguay’s mayor: Eric Allard
Across Quebec, 44 of the 78 MPs sit with the Liberal Party of Canada.
Wikidata, MAMH, MMAH, Statistics Canada
Bibliotheque Municipale De Châteauguay is Châteauguay’s public library
A single building, Bibliotheque Municipale De Châteauguay, serves 53,030 people.
Provincial library statistics, OpenStreetMap, the CRA and Statistics Canada
Châteauguay is more bilingual than Quebec’s towns or Canadian towns: 58% speak both languages
Nearly a quarter of residents belong to a visible minority, above Quebec’s towns (3.5%) and Canadian towns (15%) alike. Children are 18% of the town. Over-65s are 20% of the population.
Ages · Share of residents in each age group, Census 2021
Schooling · Highest qualification, residents 15 and over
Women and men · all residents
Women make up 51.1% of Châteauguay
By the 2021 count the town had 25,950 women and 24,865 men, while Canada has 50.9% women.
| Châteauguay | Quebec | Canada | |
|---|---|---|---|
| Under 15 | 18% | 17% | 16% |
| 15 to 64 | 62% | 62% | 64% |
| 65+ | 20% | 20% | 19% |
| No certificate, diploma or degree | 19% | 19% | 16% |
| Postsecondary qualification | 53% | 59% | 56% |
Statistics Canada, Census 2021; Quebec and Canada: medians of towns of 2,500+
3 boards run the schools in and around Châteauguay
The 3 km around Châteauguay counts 18 elementary schools, 6 secondary schools and 2 schools for every grade. 5 of the 26 teach in English, against 10% of schools in Quebec.
| School | Level | Students | System |
|---|---|---|---|
| École alternative des Trois-SourcesIn ChâteauguayElementary | Elementary | – | French public |
| Collège Héritage de Châteauguay inc. IndependentIn ChâteauguayAll grades | All grades | – | Independent |
| École Centennial Park EnglishTeaches in EnglishElementary | Elementary | – | English public |
Schools by system · Schools within 3 km
| Schools within 3 km | Châteauguay | Quebec | Canada |
|---|---|---|---|
| School boards | 3 | 2 | 3 |
Provincial school lists and results, 2025-26 · The schools grade is given only where results are open; in Quebec, the ministry publishes its success rates by school service centre, not school by school.
Back to 1774 in Châteauguay, with Saint-Joachim Church
Canada’s heritage registers list 2 historic places inside the town, one with the highest designation. The record has a municipal citation.
Historic places by designation · inside the town
Among them
- Saint-Joachim Church 1774
- Maison LePailleur 1792
| Heritage | Châteauguay | Quebec | Canada |
|---|---|---|---|
| Homes built before 1961 | 18% | 21% | 18% |
Canadian Register of Historic Places, Directory of Federal Heritage Designations, Québec’s Répertoire du patrimoine culturel, Wikidata; Census 2021 homes by period
Maison LePailleur - Société du musée du grand Châteauguay and 6 more in and around Châteauguay
A first look at Châteauguay’s museums, historic sites and days out, and a few just outside town.
Art galleryStewart Hall Cultural Centre3.7 km outside town, to the northwestArt galleryArt galleryViva Vida Art Gallery4.2 km outside town, to the northwestMuseumMuseumCanadian Ski Museum The4.3 km outside town, to the northwestMuseumMuseumDorval Museum of Local History And Heritage3.9 km outside town, to the northwestArt galleryArt galleryMardenart4.3 km outside town, to the northwestPhotos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Photo credits (1)
- Stewart Hall Cultural Centre: Thomas1313, CC BY-SA 3.0, Wikimedia Commons
Everything we know about Châteauguay
Famous people from Châteauguay
25 notable people were born in Châteauguay.
Photo credits
Vanessa Gilles: Taylor Vincent, CC BY 4.0 · Corey Crawford: Hockeybroad, CC BY 3.0 · Kim St-Pierre: Jeff, CC BY 2.0 · Martin Gilbert: Thomas Ducroquet, CC BY-SA 3.0 · John George Jack: H. William Tupper, Public domain · Marie-Chantal Perron: Bull-Doser, Public domain
Châteauguay’s neighbours
The nearest places of 1,000 or more. Statistics Canada
| Town | People | km | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Châteauguay | 53,508 | — | B | C− | B+ | A |
| Kahnawake | 11,142 | 4.5 | — | — | B+ | A |
| Mercier | 16,036 | 5.1 | A+ | B− | A | A |
| Léry | 2,817 | 5.6 | — | C | — | A |
| Lachine-Ouest | 15,315 | 9.3 | B− | C− | C | A |
| Dorval | 21,062 | 9.4 | C+ | D | C | A |
| Saint-Isidore | 2,889 | 9.6 | — | C+ | — | A |
People: Statistics Canada, Census 2021. Distances: centre to centre.
Questions about Châteauguay
Do people in Châteauguay speak French?
It is a French-speaking town: 28.5% know French alone, and 58% can talk in English too, against 8% for the median of Canadian towns.
Has Châteauguay grown?
Between the 2016 and 2021 censuses it went from 47,906 to 50,815 residents (up 6.1%; Canadian towns’ median: 4.1%), and Statistics Canada now estimates 53,508.
What kind of homes are in Châteauguay?
Mostly 63% single-detached houses (the median of Canadian towns: 64%), with 0% of homes in buildings of five or more storeys. Households hold 2.5 people on average, and 28% have just one.
About Châteauguay
Town in Quebec
For Châteauguay, TownRatings uses Statistics Canada’s census-subdivision boundary in Quebec, and every figure on its pages covers that whole area.
Statistics Canada: population estimates 2025 (17-10-0155), Census of Population 2021, 2021 census boundaries.
- Population
- 53,508 (people, 2025 estimate)
- Province or territory
- Quebec
- Census division
- Roussillon
- Metro area
- Montréal
- Census subdivision
- 2467050
Sources: Statistics Canada, Census of Population 2021 · population estimates 2025 (17-10-0155) and 2021 census boundaries · Uniform Crime Reporting Survey 2023–25 (35-10-0026, 35-10-0183 to 35-10-0190) · CMHC rents as published by Statistics Canada (34-10-0133) · grades by TownRatings. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).