Berthier-sur-MerQuebec
Some 1,819 people live in this town, in Quebec. Between 2016 and 2021, its population grew by 12%.
Is Berthier-sur-Mer a good place to live?
Health is its strong suit (A−). Work and incomes are strong (A−). Most journeys need a car (D). A median home here was worth $260,000 at the census, or 3.2 times what the middle household earns in a year. Hazard risk is weaker too (D).
Figures: home values and income: Statistics Canada, Census 2021. Canadian towns get an overall grade from 2,500 residents, so Berthier-sur-Mer has subject grades only.
This town's rent is the 2021 census rent scaled to 2025 by its province's ratio of surveyed to census rents: no rental survey covers it, so its Cost Grade is less sure. Safety is the Sûreté du Québec unit's figure for the whole MRC. 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.
How Berthier-sur-Mer grades
Each subject compares Berthier-sur-Mer with Canadian towns of 2,500 or more, ordered by how far it is from the middle. Towns in other countries are graded separately.
Canadian towns get an overall grade from 2,500 residents, so Berthier-sur-Mer has subject grades only.
How TownRatings grades Canadian towns →
What makes Berthier-sur-Mer stand out
The 3 things Berthier-sur-Mer does most differently from other towns.
The data
Data highlights are ordered by what stands out in Berthier-sur-Mer.
Hazard risk in Berthier-sur-Mer is higher than in 93% of Canadian towns
Measured across the Chaudiere-Appalaches health region: radon tests
The expected yearly loss to earthquakes is $0.16 for each $1,000 of buildings, about level with Quebec’s towns ($0.14) and above Canadian towns ($0.030). More homes than usual carry radon here, 13% over the guideline where the typical town has 6.6%. No one has filed a flood map for Berthier-sur-Mer on the national inventory.
Radon tests above the guideline · share of tested homes, 200 Bq/m³
| Hazards | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Radon tests above the guideline | 13% | 8.2% | 6.6% |
| Earthquake loss per $1,000 of buildings a year | $0.16 | $0.14 | $0.030 |
NRCan seismic risk model and burned areas, Health Canada radon survey, the Flood Hazard Map Inventory
Around Berthier-sur-Mer, 59% rate their health very good or excellent, against 52% for the typical Canadian town
Life expectancy at birth in the region is 82.8 years, close to Quebec’s towns (82.5) and above Canadian towns (81.5). What sets Berthier-sur-Mer apart within its region is a longer trip to hospital, 8.5 km for the average resident (3.7 km typical).
Very good or excellent health · adults, age-standardised
| Health | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Very good or excellent health | 59% | 56% | 52% |
| Chronic conditions (average share) | 15% | 15% | 17% |
| Smokers | 13% | 12% | 12% |
| Life expectancy at birth | 82.8 | 82.5 | 81.5 |
Statistics Canada, Canadian Community Health Survey 2023/2024 and life expectancy 2022/2024; Open Database of Healthcare Facilities · Area behind the health survey and life expectancy figures: the Région de la Chaudière-Appalaches
Berthier-sur-Mer has fewer jobs than residents in work: 0.3 for each
The average trip to work took 24 min, below both Quebec’s towns (27 min) and Canadian towns (26 min).
How working residents got to work · census 2021
| Census 2021 | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Average trip | 24 min | 27 min | 26 min |
Statistics Canada, Census 2021 (labour and commuting) · Counted in May 2021, under pandemic rules: fewer commutes and more people between jobs than in a normal year.
Most households in Berthier-sur-Mer own their home: 85%, more than in both Quebec’s towns and Canadian towns
Shelter took 30% or more of income for 5% of households, below Quebec’s towns (13%) and Canadian towns (18%) alike. Rent took 15% of household income, below both Quebec’s towns (18%) and Canadian towns (20%).
What homes were worth · The median owner’s estimate at the 2021 census
| Census 2021 | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Households spending 30%+ on shelter | 5% | 13% | 18% |
| Households owning their home | 85% | 70% | 74% |
| Rent as a share of income | 15% | 18% | 20% |
| Median home value, 2021 | $260,000 | $300,000 | $406,000 |
Statistics Canada, Census 2021; CMHC Rental Market Survey via Statistics Canada · Values come from owners at the 2021 census and incomes from 2020, so they predate the later rise in rates.
Berthier-sur-Mer is graded a B+ for safety
The index for the force that serves it came to 48, lower than both Quebec’s towns (56) and Canadian towns (67). Across its police area, there are 13.1 property incidents per 1,000 residents a year. Where it is policed, 10.3 violent incidents per 1,000 residents are recorded each year.
Year by year · Crime Severity Index for each year
| 2023–2025 | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Property crime per 1,000 | 13.1 | 16.6 | 31.2 |
| Crime Severity Index | 48 | 56 | 67 |
| Violent crime | 10.3 | 12.4 | 12 |
Statistics Canada, Uniform Crime Reporting Survey, 2023–2025 average · Crime Severity Index, Violent Crime Severity Index, violent crime and property crime per 1,000: one figure for all of Montmagny MRC
Berthier-sur-Mer is ringed by protected land: 25% within 10 km
Plage de Berthier-sur-Mer is the one beach within 5 km. There is no national park within 100 km of the town. Within 10 km are 32 protected areas. A provincial park, Jacques-Cartier National Park (Québec), lies 47 km away.
Protected land · of the land within 10 km
| Outdoors | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Protected land within 10 km | 25% | 4.9% | 2.3% |
| Public protected areas within 10 km | 29 | 10 | 4 |
Canadian Protected and Conserved Areas Database (CPCAD), OpenStreetMap routes and beaches
Berthier-sur-Mer is wetter than nine in ten Canadian towns: 1,216 mm of rain and snow a year
Berthier-sur-Mer sees January nights of −16.0°C on average. A normal winter brings 299 cm of snow, above both Quebec’s towns (217 cm) and Canadian towns (141 cm). Also worth knowing: rain and snow peak in July, at 129 mm. Snow peaks in December: 77 cm in a normal year.
Average high by season · ECCC normals, 1991–2020
| Normals, 1991–2020 | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Snowfall a year | 299 cm | 217 cm | 141 cm |
| Precipitation a year | 1,216 mm | 1,041 mm | 883 mm |
| July afternoon high | 25.1°C | 26.5°C | 25.5°C |
| January night low | −16.0°C | −14.7°C | −13.5°C |
Environment and Climate Change Canada, Canadian Climate Normals 1991–2020 (Saint Michel)
An older town: 26% of people in Berthier-sur-Mer are 65 or over, more than in both Quebec’s towns and Canadian towns
Both official languages: 29% of residents, below Quebec’s towns (44%) but above Canadian towns (7.5%). One measure of family life: 17% of residents are under 15.
Ages · Share of residents in each age group, Census 2021
Schooling · Highest qualification, residents 15 and over
Women and men · all residents
49.6% of Berthier-sur-Mer’s residents are women
Women numbered 865 and men 880 in 2021, next to a 50.9% share of women for Canada.
| Berthier-sur-Mer | Quebec | Canada | |
|---|---|---|---|
| Under 15 | 17% | 17% | 16% |
| 15 to 64 | 56% | 62% | 64% |
| 65+ | 26% | 20% | 19% |
| No certificate, diploma or degree | 16% | 19% | 16% |
| Postsecondary qualification | 67% | 59% | 56% |
Statistics Canada, Census 2021; Quebec and Canada: medians of towns of 2,500+
A normal November in Berthier-sur-Mer runs from −3°C to 4°C
November usually brings some 24 cm of snow. Expect about 84 mm of rain and snow over November. Next comes December, with normal highs of −3°C and lows of −11°C. The forecast on the Weather page is ECCC’s for Montmagny.
Normal highs, the months ahead · ECCC normals, 1991–2020
| Season | High | Low | Rain and snow |
|---|---|---|---|
| Winter | −5°C | −14°C | 261 mm |
| Spring | 8°C | −1°C | 270 mm |
| Summer | 24°C | 13°C | 366 mm |
| Autumn | 12°C | 3°C | 319 mm |
ECCC normals, 1991–2020 (Saint Michel); the forecast is on the Weather page
Berthier-sur-Mer’s mayor: Chantal Godin
Berthier-sur-Mer sends one MP to Ottawa from Côte-du-Sud—Rivière-du-Loup—Kataskomiq—Témiscouata, its riding (a federal electoral district, which elects one MP): Bernard Généreux (Conservative Party of Canada).
Wikidata, MAMH, MMAH, Statistics Canada
The nearest public library to Berthier-sur-Mer is Bibliothèque La Volumineuse, 7 km away
After it comes Bibliothèque Marie-Josephte-Corrivaux (Saint-Vallier) (Saint-Vallier), 9.4 km away.
Provincial library statistics, OpenStreetMap, the CRA and Statistics Canada
Berthier-sur-Mer’s teenagers travel 13 km to the nearest high school
| School | Level | Students | System |
|---|---|---|---|
| École Notre-Dame-de-L'Assomption - La Francolière (Notre-Dame-de-l'Assomption)In Berthier-sur-MerElementary | Elementary | – | French public |
| Schools within 3 km | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Nearest secondary school | 13 km | 1.2 km | 1.2 km |
Provincial school lists and results, 2025-26 · Towns in Quebec aren’t in the schools rankings: the ministry publishes its success rates by school service centre, not school by school.
Berthier-sur-Mer’s record starts in 1720 with Site patrimonial du Manoir-Dénéchaud
Its 1 historic place is of the highest rank. Older housing, built before 1961, accounts for 23% of homes, above Quebec’s towns (21%) and Canadian towns (18%) alike.
Historic places by designation · inside the town
Among them
| Heritage | Berthier-sur-Mer | Quebec | Canada |
|---|---|---|---|
| Homes built before 1961 | 23% | 21% | 18% |
Canadian Register of Historic Places, Directory of Federal Heritage Designations, Québec’s Répertoire du patrimoine culturel, Wikidata; Census 2021 homes by period
Everything we know about Berthier-sur-Mer
Mont-Sainte-Anne and 11 more within 40 km
Nothing to visit is mapped within 5 km of Berthier-sur-Mer; these are the best known within 40 km.
Ski hillMont-Sainte-Anne24 km northwest
WaterfallMontmorency Falls34 km southwest
MuseumMusée de la civilisation40 km southwest · 497K visitors a year
WaterfallChute Sainte-Anne20 km northwest
Ski hillLe Massif40 km north
MuseumMusée Maritime du Québec34 km northeast · 15K visitors a yearPhotos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Photo credits (6)
- Mont-Sainte-Anne: Cephas, CC BY-SA 3.0, Wikimedia Commons
- Montmorency Falls: Jean-Christophe BENOIST, CC BY 4.0, Wikimedia Commons
- Musée de la civilisation: Claude Gagnon, CC BY-SA 3.0, Wikimedia Commons
- Chute Sainte-Anne: Hélène Mc Nicoll, CC BY-SA 2.5, Wikimedia Commons
- Le Massif: The original uploader was Datch78 at English Wikipedia ., CC BY 1.0, Wikimedia Commons
- Musée Maritime du Québec: Claude Boucher, CC BY-SA 3.0, Wikimedia Commons
Famous people from Berthier-sur-Mer
7 notable people were born in Berthier-sur-Mer.
About Berthier-sur-Mer
Town in Quebec
For Berthier-sur-Mer, 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
- 1,819 (people, 2025 estimate)
- Province or territory
- Quebec
- Census division
- Montmagny
- Census subdivision
- 2418065
Berthier-sur-Mer’s neighbours
The nearest places of 1,000 or more. Statistics Canada
| Town | People | km | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Berthier-sur-Mer | 1,819 | — | — | B+ | B+ | A− |
| Saint-François-de-la-Rivière-du-Sud | 1,550 | 7 | — | A | B+ | A− |
| Saint-Vallier | 1,026 | 9.2 | — | B+ | A | B+ |
| Montmagny | 11,326 | 13 | A− | C+ | B+ | A |
| Saint-Jean-de-l'Île-d'Orléans | 1,006 | 14 | — | C− | A+ | A+ |
| Saint-Raphaël | 2,488 | 15 | — | A | A | B+ |
| Saint-Michel-de-Bellechasse | 1,902 | 17 | — | A− | A | B+ |
People: Statistics Canada, Census 2021. Distances: centre to centre.
Questions about Berthier-sur-Mer
Has Berthier-sur-Mer grown?
It grew from 1,555 people in 2016 to 1,744 in 2021, up 12.2%; the median of Canadian towns grew 4.1%. StatCan’s 2025 estimate is 1,819.
Do people in Berthier-sur-Mer speak French?
French comes first: 70.5% speak it alone, while 29% manage both languages (Canadian towns: 8%).
What kind of homes are in Berthier-sur-Mer?
Mostly 80% single-detached houses (the median of Canadian towns: 64%), with 0% of homes in buildings of five or more storeys. Households hold 2.2 people on average, and 31% have just one.
How old are the people of Berthier-sur-Mer?
Its median age is 49.6, where Canadian towns sit at 45.2.
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).