Each edition grades its towns against each other only.
1,845 people live in this town in Morbihan, Brittany.
Work and incomes are strong: 1.5 jobs per working resident; 9.7% unemployment. Cost of living is its weak spot (D) — at the median price, a 70 m² home costs 15.4 times the median annual income per consumption unit in the intercommunality. Its remaining grades are unremarkable: B for health and B for walkability. Holiday and other second homes account for 66% of homes.
Figures: employment and commuting, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · deaths, INSEE (by commune of residence, 2016–2025) · amenities, INSEE BPE 2025. La Trinité-sur-Mer has subject grades but no overall grade: French towns get one from 2,500 residents.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
The 3 things La Trinité-sur-Mer does most differently from other towns.
Each subject compares La Trinité-sur-Mer with other French towns of 2,500 or more, ordered by how far its rank is from the middle. American and UK towns are graded separately.
La Trinité-sur-Mer has subject grades but no overall grade: French towns get one from 2,500 residents.
How TownRatings grades French towns →
On the Culture ministry’s list, La Trinité-sur-Mer counts 8 historic monuments: 6 classé at the top level of protection and 2 inscrit at the second.
The oldest protected part dates from prehistory; the first monument here was protected in 1889.
Other places to visit, heritage and museums in and near La Trinité-sur-Mer. Best known first.
MuseumMusée de Préhistoire de Carnac3.3 km west, in CarnacAttractionAttractionAlignements de Kermario2.5 km west, in CarnacAttractionAttractionAlignements du Ménec3.6 km west, in CarnacAttractionAttractionAlignements de Kerlescan2 km northwest, in CarnacAbbeyAbbeyAbbaye Saint-Michel de Kergonan4.9 km west, in PlouharnelAttractionAttractionAlignement de Kerloquet2.1 km northwest, in CarnacPhotos from Wikimedia Commons, each under its own licence (our copy, resized).
Data highlights are ordered by what stands out in La Trinité-sur-Mer.
The 15-to-24 age group: 4.6%, lower than both Morbihan’s towns (9.3%) and compared French towns (11%). 48% of residents have reached 65. Degrees are held by 47% of adults.
54% women, 46% men
About 84 men for every 100 women. Median share of women: Morbihan 51.6%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
| La Trinité-sur-Mer | Morbihan median | France median | |
|---|---|---|---|
| Under 15 | 9.6% | 15% | 17% |
| 15–24 | 4.6% | 9.3% | 11% |
| 25–44 | 13% | 20% | 23% |
| 45–64 | 26% | 28% | 26% |
| 65+ | 48% | 27% | 22% |
| No diploma | 11% | 15% | 19% |
| CAP or BEP | 18% | 27% | 26% |
| Baccalauréat | 17% | 19% | 18% |
| Higher education | 47% | 30% | 30% |
INSEE, census 2023 · Morbihan median and France median: the median of compared communes
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
Advertised rents are estimated at €14.65/m² a month, above both Morbihan’s towns (€12.68/m²) and compared French towns (€12.41/m²). La Trinité-sur-Mer recorded 139 home sales from July 2023 to June 2026. Houses are advertised at an estimated €12.54/m² a month.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €5,946/m² | 78 |
| Apartments | €5,971/m² | 61 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Primary schools aren’t graded: France doesn’t publish their results by school.
For the general bac, the closest lycée is 6.3 mi away. The town’s pupils have a collège 1.8 mi away.
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Saint-Michel PrivateNearest collègeCollège | Collège | 62 | 97%+1 pt |
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
18.0% of commuters walked, cycled or took the bus or train at the census, above Morbihan’s towns (9.2%) and compared French towns (13.4%) alike. Unemployment runs at 9.7%.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
France has no History Grade yet: this card describes, it doesn’t grade.
Homes from before 1919 make up 9% of the total. Among the classé monuments in La Trinité-sur-Mer is Alignements du Petit-Ménec. On the Culture ministry’s list, La Trinité-sur-Mer counts 8 historic monuments: 6 classé at the top level of protection and 2 inscrit at the second. Its heritage reaches back to prehistory.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Care access and life expectancy are shown for context, not graded.
Life expectancy in Morbihan: 85.4 years for women and 79.2 for men (2025); France averages 85.9 and 80.3. 415 deaths in La Trinité-sur-Mer between 2016 and 2025, where France’s rates at each age predict 403: 3% above. The town has 2 family doctors.
Source: INSEE, deaths by commune of residence 2016–2025 and censuses; Eurostat, death rates by age (© European Union); INSEE, BPE 2025; DREES, APL 2024; INSEE, life expectancy by département 2025 · Licence Ouverte · The adjustment for care homes is TownRatings’ own modeling, not an official figure.
On the Culture ministry’s list, La Trinité-sur-Mer counts 8 historic monuments: 6 classé at the top level of protection and 2 inscrit at the second.
Allée couverte dite Er-Roh: Photo: Pymouss · CC BY-SA 3.0 · Dolmen de Mané Rohr: Photo: Auregann · CC BY-SA 3.0 · Dolmen sous tumulus de Kermarker: Photo: Llann Wé² · CC BY-SA 3.0
2 notable people were born in La Trinité-sur-Mer.
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
La Trinité-sur-Mer has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 5.1 recorded violent incidents and 18.9 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025. In 2025 police and gendarmerie recorded 13 burglaries and 9 acts of criminal damage. With 850 jobs for 550 working residents, La Trinité-sur-Mer draws people from neighboring communes, and crimes are counted in the commune where they happen, then divided by its number of residents.
They grade B+, better than 72% of compared French towns. Primary schools aren’t graded: France doesn’t publish their results by school.
Incomes are higher than in most compared French towns, so La Trinité-sur-Mer grades D for cost of living.
Commune in Morbihan, Brittany
La Trinité-sur-Mer is a commune of 1,845 people in the Communauté de communes Auray Quiberon Terre Atlantique. TownRatings compares communes, France’s local unit: each has its own mayor and its own statistics. Its area takes in the town and the countryside around it.
Built from INSEE’s 2026 official geography (COG) and IGN Admin Express boundaries
Sources: INSEE, census 2023 (population, employment, commuting) · INSEE, Filosofi 2023 (income per consumption unit, poverty) · DGFiP, DVF property sales, July 2023 to June 2026 · Housing Ministry, Carte des loyers 2025 · SSMSI, recorded crime by commune, 2023–2025 · Ministry of Education (DEPP), brevet and bac results and value-added indicators, 2025 · INSEE, deaths by commune of residence 2016–2025 and censuses 2012–2023; Eurostat, death rates by age (© European Union); INSEE, BPE 2025 (care homes, emergency and maternity units, GPs, pharmacies); DREES, APL 2024; INSEE, life expectancy by département 2025 (provisional) · INSEE, BPE 2025 and Filosofi 200 m grid (walking distances) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, updated November 4, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.