Séné grades A overall: better than 90% of compared French towns, and #5 of 54 in Morbihan. Its weakest subject is cost of living (C−): at the median price, a 70 m² home costs 9.5 times the median annual income per consumption unit in the intercommunality. Its strongest is health (A): after allowing for care homes, deaths from 2016 to 2025 were 30% 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 overall grade uses the other six subjects.
Each subject compares Séné 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.
Data highlights are ordered by what stands out in Séné.
HealthHealth A
Fewer deaths than expected: Séné is below 91% of compared French towns once ages and care homes are allowed for
Care access and life expectancy are shown for context, not graded.
Its care home for older people (57 places) counts its residents as Séné’s; allowing for it, deaths were 30% below expected. 768 deaths in the town between 2016 and 2025, where France’s rates at each age predict 1,044: 26% below. In Morbihan, life expectancy at birth reaches 85.4 years for women and 79.2 for men (2025), next to 85.9 and 80.3 for France. For a family doctor, residents of Séné can choose among 9 GPs.
−30%deaths against expected, after care homesAHealth Grade
Deaths per 100 expected · 2016–2025
Raw74
Adjusted70
Median town88
Expected100
9
GPs in Séné · 3.8 GP consultations a year per resident within reach (APL)
2.6 mi
to the nearest emergency department, Chba site de Vannes
2.6 mi
to the nearest maternity unit, Chba site de Vannes
85.4 · 79.2
years of life expectancy at birth, women · men, Morbihan, 2025 (provisional) · France 85.9 · 80.3
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
HousingCost of living C−
A home in Séné sells for €3,805/m², more than in Morbihan’s towns and across compared French towns
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The split in Séné: €3,938/m² for houses, €3,716/m² for apartments. Advertised rents are estimated at €13.73/m² a month, above both Morbihan’s towns (€12.68/m²) and compared French towns (€12.41/m²). 359 houses and apartments changed hands in the town from July 2023 to June 2026.
€3,805/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Séné€3,805/m²
Median of towns€2,430/m²
Morbihan median€2,715/m²
By type
Median per m²
Sales
Houses
€3,938/m²
217
Apartments
€3,716/m²
142
€13.73/m²
estimated advertised apartment rent a month, charges included (€11.31 to €16.67/m² a month)
9.5
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€12.71/m²
estimated advertised house rent a month, charges included
€28,030
median annual income per consumption unit, Communauté d'agglomération Golfe du Morbihan - Vannes Agglomération
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Who lives here
Degrees are more common in Séné than in Morbihan’s towns or across compared French towns: 43% of adults
31% of residents are 65 or over, above both Morbihan’s towns (27%) and compared French towns (22%). Under 15: 13% of residents. Residents of Séné have a median age of 51.2.
51.2median age
SénéMorbihan medianFrance median
Ages · share of residents
31%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma11%
CAP or BEP22%
Baccalauréat19%
Higher education43%
Women and men · all residents
54% women, 46% men
WomenFrance medianMen
About 86 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.
INSEE, census 2023 · Morbihan median and France median: the median of compared communes
Safety
Crime per resident in Séné runs lower than in 74% of compared French towns
Graded property crimes ran at 11.2 per 1,000 residents a year, and violence against people at 5.4 (2023–2025 average). 2025 saw 143 offenses recorded in Séné. In 2025, criminal damage led the graded crimes in the town.
5.4recorded violent incidents per 1,000 residents a yearB+Safety Grade
Recorded by type · 2025
Criminal damage52
Family violence26
Burglary19
Theft from vehicles17
Other physical violence13
Sexual violence11
Vehicle theft5
Fraud58
Theft without violence49
Drug use26
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.
5.4
recorded violent incidents per 1,000 residents a year, 2023–2025 average
11.2
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
143
offenses recorded in the graded categories in 2025
0.6%
of the index rests on the département’s average, used where small counts aren’t published
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte · For armed robbery, 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, 0.6% of the index here. The count covers the offense categories the Safety Grade uses.
Work & commuteJobs & income B+
17.6% of commuters in Séné go to work without a car, more than in Morbihan’s towns and across compared French towns
Median disposable income comes to €28,400 a year per consumption unit. Jobs based in Séné number 2,500, against 3,650 residents in work (0.7 per worker). Public transport took 6.8% of the town’s working residents to work at the census.
18%walk, cycle or take transit
How working residents got to work · census 2023
Driving77%
Bicycle7%
Public transport7%
On foot3%
Motorbike or scooter1%
2,500
jobs based in Séné, 0.7 per working resident
9.3%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€28,400
median annual income per consumption unit, 2023 · median of compared French towns €25,970
5%
worked without traveling (at or from home)
B+
Walkability: better than 73% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
History
3 historic monuments, the oldest from prehistory
France has no History Grade yet: this card describes, it doesn’t grade.
Homes from before 1919 make up 4.8% of the total. Among the classé monuments in Séné is Dolmen de Gornevèse. On the Culture ministry’s list, Séné counts 3 historic monuments: 1 classé at the top level of protection and 2 inscrit at the second. The protected list starts in prehistory.
People: INSEE, census 2023. Miles: center to center.
Questions about Séné
Is Séné safe?
It grades B+ for safety, #23 of 54 in Morbihan. In 2025 police and gendarmerie recorded 19 burglaries and 52 acts of criminal damage.
Are schools in Séné good?
They grade A, better than 87% of compared French towns and #29 of 62 in Morbihan. 99% of 522 candidates passed the bac at Lycée Saint-Paul in 2025, at the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Séné expensive to live in?
Incomes are higher than in most compared French towns, so Séné grades C− for cost of living.
About Séné
Commune in Morbihan, Brittany
Séné is a commune of 9,554 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
Population
9,554 (INSEE, census 2023)
Intercommunality
Communauté d'agglomération Golfe du Morbihan - Vannes Agglomération
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.
