Each edition grades its towns against each other only.
A town of 2,572 in Morbihan, Brittany.
Treffléan has no overall grade because safety and schools aren’t graded here. Its weakest subject is walkability (D): 52% of residents live within 800 m of a bakery, and 3% of working residents walk, cycle or take public transport to work. At the median price of €2,642/m², a 70 m² home costs 6.6 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté d'agglomération Golfe du Morbihan - Vannes Agglomération. Its strongest is health (B+): after allowing for care homes, deaths from 2016 to 2025 were 19% below expected, against 12% below for the median of compared French towns.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
The 2 things Treffléan does most differently from other towns.
Each subject compares Treffléan 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.
Treffléan has no overall grade because safety and schools aren’t graded here.
How TownRatings grades French towns →
The Culture ministry lists 2 historic monuments in Treffléan: 1 classé (France’s highest heritage protection) and 1 inscrit (the second level).
The oldest protected part dates from the 15th century; the first monument here was protected in 1929.
Data highlights are ordered by what stands out in Treffléan.
In the comparison, Treffléan comes below both Morbihan’s towns (8.7%) and compared French towns (10.1%). Treffléan has 300 jobs for 1,200 working residents, 0.3 per worker.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
For Treffléan, that is above both Morbihan’s towns (15%) and compared French towns (17%). People 65 and over make up 16% of the town.
51% women, 49% men
About an even split. Median share of women: Morbihan 51.6%, France 51.8%.
| Treffléan | Morbihan median | France median | |
|---|---|---|---|
| Under 15 | 21% | 15% | 17% |
| 15–24 | 8.6% | 9.3% | 11% |
| 25–44 | 26% | 20% | 23% |
| 45–64 | 28% | 28% | 26% |
| 65+ | 16% | 27% | 22% |
| No diploma | 11% | 15% | 19% |
| CAP or BEP | 28% | 27% | 26% |
| Baccalauréat | 21% | 19% | 18% |
| Higher education | 35% | 30% | 30% |
INSEE, census 2023 · Morbihan median and France median: the median of compared communes
Care access and life expectancy are shown for context, not graded.
Treffléan sits below both Morbihan’s towns (92) and compared French towns (88) on this measure. The care-home adjustment is a TownRatings modeling step, not an official statistic. A less sure grade: it could be anywhere from C+ to A.
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
France has no History Grade yet: this card describes, it doesn’t grade.
The Culture ministry lists 2 historic monuments in Treffléan: 1 classé (France’s highest heritage protection) and 1 inscrit (the second level).
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
That puts Treffléan below both Morbihan’s towns (€12.68/m²) and compared French towns (€12.41/m²). The median price, €2,642/m², comes from 67 sales of houses and apartments in Treffléan from July 2023 to June 2026.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €2,643/m² | 62 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Police and gendarmerie recorded 13 offenses in the graded categories in Treffléan in 2025. For family violence, other physical violence, sexual violence, vehicle theft and theft from vehicles, this figure isn’t published when it’s small (five or fewer in at least one of the last three years); the index uses the département’s average instead, 68.8% of the index here.
Not in the gradeTheft without violence, drug use and fraud are shown for information but left out of the Safety Grade, which counts violence plus burglaries, vehicle thefts, thefts from vehicles and criminal damage per resident.
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte
The Culture ministry lists 2 historic monuments in Treffléan: 1 classé (France’s highest heritage protection) and 1 inscrit (the second level).
Croix du 16e siècle: Photo: Fab5669 · CC BY-SA 4.0 · Chapelle Notre-Dame-de-Cran: Photo: Stéphane Batigne · CC BY-SA 3.0
Wikidata has nobody with a French article born in Treffléan yet.
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Treffléan | 2,572 | — | — | B | — | B+ |
| Saint-Nolff | 3,990 | 2.1 | — | B− | — | A− |
| Sulniac | 3,852 | 2.5 | — | B | — | C |
| Theix-Noyalo | 8,500 | 3.9 | B+ | C | B | C |
| Elven | 6,651 | 4 | A− | C+ | A− | C+ |
| Monterblanc | 3,356 | 5.1 | — | C+ | — | D |
| Saint-Avé | 12,470 | 5.6 | B+ | C− | B+ | C+ |
People: INSEE, census 2023. Miles: center to center.
Treffléan has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 3.5 recorded violent incidents and 5.7 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 8 burglaries and 5 acts of criminal damage.
Prices are close to the median of compared French towns: the median sale price from July 2023 to June 2026 was €2,642/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Treffléan grades B for cost of living.
Commune in Morbihan, Brittany
Treffléan is a commune of 2,572 people in the Communauté d'agglomération Golfe du Morbihan - Vannes Agglomération. 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 October 30, 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.
