Croissy-sur-Seine’s overall A puts it #7 of 91 in Yvelines. Set against the rest, it does better than 86% of compared French towns. It does especially well on 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. Add walkability to its strengths (A+): 87% of residents live within 800 m of a bakery, and 48% of working residents walk, cycle or take public transport to work. The trade-off is cost of living (D−): at the median price, a 70 m² home costs 11.5 times the median annual income per consumption unit in the intercommunality.
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.
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 Croissy-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.
Église Saint-Léonard et Saint-Martin (ancienne): Photo: Mypouss ( Pymouss ) · CC BY-SA 2.0 · Maison dite Maison de Charité: Photo: Moonik · CC BY-SA 3.0
The data
Data highlights are ordered by what stands out in Croissy-sur-Seine.
HousingCost of living D−
Estimated advertised rents run higher in Croissy-sur-Seine than in Yvelines’ towns or across compared French towns: €23.19/m² a month
€5,716/m²median sale price
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
In Croissy-sur-Seine, houses go for €7,513/m² and apartments for €5,286/m². The median sale price was €5,716/m², above both Yvelines’ towns (€3,717/m²) and compared French towns (€2,430/m²). 308 houses and apartments changed hands here from July 2023 to June 2026.
Median sale price per m² · Jul 2023 to Jun 2026
Croissy-sur-Seine€5,716/m²
Median of towns€2,430/m²
Yvelines median€3,717/m²
By type
Median per m²
Sales
Houses
€7,513/m²
108
Apartments
€5,286/m²
200
€23.19/m²
estimated advertised apartment rent a month, charges included (€19.36 to €27.77/m² a month)
11.5
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€24.33/m²
estimated advertised house rent a month, charges included
€34,890
median annual income per consumption unit, Communauté d'agglomération Saint Germain Boucles de Seine
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Work & commuteJobs & income A
Croissy-sur-Seine is better off than Yvelines’ towns or compared French towns: the median disposable income is €43,350 a year per consumption unit
48%walk, cycle or take transit
At the census, 48.4% went to work on foot, by bike or by public transport, above Yvelines’ towns (35.4%) and compared French towns (13.4%) alike. For its 4,950 residents in work, Croissy-sur-Seine has 3,400 jobs: 0.7 each. The jobless rate is 8.3%.
How working residents got to work · census 2023
Driving44%
Public transport40%
Bicycle5%
Motorbike or scooter4%
On foot3%
3,400
jobs based in Croissy-sur-Seine, 0.7 per working resident
8.3%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€43,350
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 97% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
HealthHealth A
Croissy-sur-Seine has a lower adjusted death rate than 91% of compared French towns
−30%deaths against expected, after care homesAHealth Grade
Care access and life expectancy are shown for context, not graded.
Its care home for older people (100 places) counts its residents as Croissy-sur-Seine’s; allowing for it, deaths were 30% below expected. France’s death rates at each age would predict 954 deaths here from 2016 to 2025; there were 741, 22% fewer. Life expectancy at birth in Yvelines is 86.8 years for women and 82.3 for men (2025), against 85.9 and 80.3 across France. Also worth knowing: 7 GPs practise locally.
Deaths per 100 expected · 2016–2025
Raw78
Adjusted70
Median town88
Expected100
7
GPs in Croissy-sur-Seine · 2 GP consultations a year per resident within reach (APL)
1.5 mi
to the nearest emergency department, Centre hospitalier Prive de L Europe
2.1 mi
to the nearest maternity unit, Clinique Saint Germain
86.8 · 82.3
years of life expectancy at birth, women · men, Yvelines, 2025 (provisional) · France 85.9 · 80.3
Crime per resident in Croissy-sur-Seine runs lower than in 76% of compared French towns
3.6recorded violent incidents per 1,000 residents a yearA−Safety Grade
Violence against people averaged 3.6 per 1,000 residents a year over 2023–2025; graded property crimes averaged 12.5. In 2025, 162 offenses were recorded in Croissy-sur-Seine. Police and gendarmerie recorded 162 offenses in the graded categories here in 2025.
Recorded by type · 2025
Criminal damage57
Burglary50
Family violence30
Vehicle theft11
Theft from vehicles9
Sexual violence5
Theft without violence68
Fraud67
Drug use17
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.
3.6
recorded violent incidents per 1,000 residents a year, 2023–2025 average
12.5
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
162
offenses recorded in the graded categories in 2025
1.4%
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 other physical violence and 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, 1.4% of the index here. The count covers the offense categories the Safety Grade uses.
Who lives here
Degrees are more common in Croissy-sur-Seine than in Yvelines’ towns or across compared French towns: 70% of adults
43.2median age
19% of residents are 65 or over, higher than Yvelines’ towns (17%) yet lower than compared French towns (22%). One measure of family life: 19% of residents are under 15. The share aged 15 to 24 is 11%.
Croissy-sur-SeineYvelines medianFrance median
Ages · share of residents
11%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma7%
CAP or BEP8%
Baccalauréat11%
Higher education70%
Women and men · all residents
52% women, 48% men
WomenFrance medianMen
About 92 men for every 100 women. Median share of women: Yvelines 51.6%, France 51.8%.
INSEE, census 2023 · Yvelines median and France median: the median of compared communes
History
4 historic monuments, none of them classé
4historic monuments
France has no History Grade yet: this card describes, it doesn’t grade.
A tenth of its homes were built before 1919, above Yvelines’ towns (5.2%) and compared French towns (7.4%) alike. The oldest protected building goes back to the 13th century. 3 of the 4 are houses and mansions.
Monuments by protection · Mérimée
Classé0
Inscrit4
13th c.
oldest protected part
1942
first monument protected
✓
protected historic area (site patrimonial remarquable)
Croissy-sur-Seine is a commune of 11,013 people in the Communauté d'agglomération Saint Germain Boucles de Seine. 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
11,013 (INSEE, census 2023)
Intercommunality
Communauté d'agglomération Saint Germain Boucles de Seine
Département
Yvelines (78)
Région
Île-de-France
Area
1.3 sq mi (3.4 km²)
INSEE code
78190
Croissy-sur-Seine’s neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
People: INSEE, census 2023. Miles: center to center.
Questions about Croissy-sur-Seine
Is Croissy-sur-Seine safe?
It grades A− for safety, #15 of 91 in Yvelines. In 2025 police and gendarmerie recorded 50 burglaries and 57 acts of criminal damage.
Are schools in Croissy-sur-Seine good?
They grade B, better than 59% of compared French towns and #15 of 94 in Yvelines. 99% of 173 candidates passed the bac at Lycée Le Bon Sauveur in 2025, at the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Croissy-sur-Seine expensive to live in?
Incomes are higher than in most compared French towns, so Croissy-sur-Seine grades D− for cost of living.
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.
