The picture is mixed. People here tend to be in good health: after allowing for care homes, deaths from 2016 to 2025 were 29% below expected, against 12% below for the median of compared French towns. Overall, Soisy-sur-Seine earns a B, better than 58% of compared French towns. Its place in the ranking is #20 of 91 in Essonne. Getting around on foot or by bus is easy: 92% of residents live within 800 m of a bakery, and 24% of working residents walk, cycle or take public transport to work. Buying in is costly: at the median price, a 70 m² home costs 9.4 times the median annual income per consumption unit in the intercommunality. Pupils here do less well than most: bac results 1.4 points below the expected rate; brevet results 2.1 points below the expected rate.
Figures: deaths, INSEE (by commune of residence, 2016–2025) · amenities, INSEE BPE 2025 · commuting, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · brevet and bac results, Ministry of Education.
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 Soisy-sur-Seine 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 Soisy-sur-Seine.
HousingCost of living D−
Median price in Soisy-sur-Seine: €3,284/m²
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
A house in Soisy-sur-Seine goes for €3,459/m², an apartment for €3,102/m². The estimated advertised rent is €17.48/m² a month, about level with Essonne’s towns (€17.41/m²) and above compared French towns (€12.41/m²). Between July 2023 and June 2026, buyers took 215 homes in the town.
€3,284/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Soisy-sur-Seine€3,284/m²
Median of towns€2,430/m²
Essonne median€3,237/m²
By type
Median per m²
Sales
Houses
€3,459/m²
139
Apartments
€3,102/m²
76
€17.48/m²
estimated advertised apartment rent a month, charges included (€14.72 to €20.76/m² a month)
9.4
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€16.50/m²
estimated advertised house rent a month, charges included
€24,410
median annual income per consumption unit, Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Work & commuteJobs & income A−
Soisy-sur-Seine is better off than Essonne’s towns or compared French towns: the median disposable income is €34,330 a year per consumption unit
At the census, 24.3% went to work on foot, by bike or by public transport, lower than Essonne’s towns (25.8%) yet higher than compared French towns (13.4%). Jobs located in Soisy-sur-Seine: 1,400, for 3,050 residents in work (0.5 each). Unemployment runs at 8.3%.
24%walk, cycle or take transit
How working residents got to work · census 2023
Driving70%
Public transport19%
On foot3%
Bicycle2%
Motorbike or scooter2%
1,400
jobs based in Soisy-sur-Seine, 0.5 per working resident
8.3%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€34,330
median annual income per consumption unit, 2023 · median of compared French towns €25,970
4%
worked without traveling (at or from home)
A
Walkability: better than 94% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
HealthHealth A
Fewer deaths than Soisy-sur-Seine’s ages would predict, 71 per 100 expected, under Essonne’s towns and compared French towns
Care access and life expectancy are shown for context, not graded.
647 deaths in Soisy-sur-Seine between 2016 and 2025, where France’s rates at each age predict 770: 16% below. Life expectancy in Essonne: 86.4 years for women and 82.2 for men (2025); France averages 85.9 and 80.3. Also worth knowing: the town has 3 family doctors.
−29%deaths against expected, after care homesAHealth Grade
Deaths per 100 expected · 2016–2025
Raw84
Adjusted71
Median town88
Expected100
3
GPs in Soisy-sur-Seine · 2.7 GP consultations a year per resident within reach (APL)
1.4 mi
to the nearest emergency department, Clinique du Mousseau
1.2 mi
to the nearest maternity unit, Clinique de L Essonne
86.4 · 82.2
years of life expectancy at birth, women · men, Essonne, 2025 (provisional) · France 85.9 · 80.3
Bac results near Soisy-sur-Seine run low: 87.0% passed, below Essonne’s towns and compared French towns
Primary schools aren’t graded: France doesn’t publish their results by school.
Nearly four in five candidates passed the brevet at the collèges within 5 km of Soisy-sur-Seine, below both Essonne’s towns (81.7%) and compared French towns (87.5%). Vocational results within 5 km: 78% passed the bac pro, of 988 candidates at 8 lycées. The town’s schools place #76 of 94 in Essonne on results.
92%passed the bac (general and technological)DSchool Grade
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Safety
Soisy-sur-Seine ranks below 68% of compared French towns for crime per resident
More of the graded crimes in Soisy-sur-Seine were criminal damage than anything else (2025). Police and gendarmerie recorded 111 offenses here in 2025. Graded property crimes ran at 13.1 per 1,000 residents a year, and violence against people at 4.7 (2023–2025 average).
4.7recorded violent incidents per 1,000 residents a yearB+Safety Grade
Recorded by type · 2025
Criminal damage42
Burglary18
Family violence16
Vehicle theft13
Other physical violence10
Sexual violence7
Theft from vehicles5
Fraud55
Theft without violence20
Drug use9
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.
4.7
recorded violent incidents per 1,000 residents a year, 2023–2025 average
13.1
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
111
offenses recorded in the graded categories in 2025
1.2%
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 · When armed robbery number five or fewer in a recent year, the figure is withheld, and the index uses the département’s average instead (1.2% of the index here). The count covers the offense categories the Safety Grade uses.
Who lives here
Degrees are more common in Soisy-sur-Seine than in Essonne’s towns or across compared French towns: 50% of adults
Children are 18% of the town. A quarter of residents are 65 or over, higher than both Essonne’s towns (16%) and compared French towns (22%). Young adults of 15 to 24 are 11% of the population.
46.5median age
Soisy-sur-SeineEssonne medianFrance median
Ages · share of residents
25%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma13%
CAP or BEP14%
Baccalauréat18%
Higher education50%
Women and men · all residents
52% women, 48% men
WomenFrance medianMen
About 92 men for every 100 women. Median share of women: Essonne 51.3%, France 51.8%.
People: INSEE, census 2023. Miles: center to center.
Questions about Soisy-sur-Seine
Is Soisy-sur-Seine safe?
It grades B+ for safety, #16 of 91 in Essonne. In 2025 police and gendarmerie recorded 18 burglaries and 42 acts of criminal damage.
Are schools in Soisy-sur-Seine good?
They grade D, better than 15% of compared French towns and #76 of 94 in Essonne. The lycée stands out: 99% of 226 candidates passed the bac at Lycée polyvalent Notre-Dame de Sion in 2025, a point above the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Soisy-sur-Seine expensive to live in?
Incomes are higher than in most compared French towns, so Soisy-sur-Seine grades D− for cost of living.
About Soisy-sur-Seine
Commune in Essonne, Île-de-France
Soisy-sur-Seine is a commune of 7,418 people in the Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart. 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
7,418 (INSEE, census 2023)
Intercommunality
Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart
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.