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Ferme Grandet
France›Yvelines›Île-de-France

Mézières-sur-SeineYvelines

A town of 3,923 in Yvelines, Île-de-France. Only 14% of residents are 65 or over.

6 places within 18 miMap →
Photo: Vivreamezieres · CC BY 3.0
Ferme Grandet

Mézières-sur-Seine, Yvelines · Vivreamezieres · CC BY 3.0

Is Mézières-sur-Seine a good place to live?

Mézières-sur-Seine grades C+ overall: better than 44% of compared French towns, and #56 of 91 in Yvelines. Its weakest subject is schools (D): bac results 0.5 points below the expected rate; brevet results 11.5 points below the expected rate. At the median price of €3,144/m², a 70 m² home costs 8.2 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté urbaine Grand Paris Seine et Oise. Its strongest is walkability (A−): 68% of residents live within 800 m of a bakery, and 22% of working residents walk, cycle or take public transport to work.

Hazard risk isn’t graded in France yet: national flood maps cover only some areas. The overall grade uses the other six subjects.

What makes Mézières-sur-Seine stand out

The 2 things Mézières-sur-Seine does most differently from other towns.

Picked automatically from the data

How Mézières-sur-Seine grades

Each subject compares Mézières-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.

How grading works

How TownRatings grades French towns →

Église Saint-Nicolas
Église Saint-Nicolas · Classé · Photo: Spedona · CC BY-SA 3.0
Mézières-sur-Seine’s story

Mézières-sur-Seine in pictures

The Culture ministry lists 1 historic monument in Mézières-sur-Seine: 1 classé (France’s highest heritage protection) and 0 inscrit (the second level).

The oldest protected part dates from the 12th century; the first monument here was protected in 1931.

  • 1931First protected: Église Saint-Nicolas
Explore the history →

The data

Data highlights are ordered by what stands out in Mézières-sur-Seine.

Schools

Fewer pupils pass the brevet at the collèges near Mézières-sur-Seine than in Yvelines’ towns or compared French towns: 76.3%

Primary schools aren’t graded: France doesn’t publish their results by school.

On this, Mézières-sur-Seine is below both Yvelines’ towns (82.7%) and compared French towns (87.5%).

92%passed the bac (general and technological)DSchool Grade

Brevet pass rate · collèges within 5 km

Mézières-sur-Seine76.3%
Median of towns87.5%

Bac pass rate · lycées within 5 km

Mézières-sur-Seine90.4%
Median of towns92.9%
SchoolLevelCandidatesPassed, 2025
Collège Benjamin FranklinNearest collègeCollègeCollège16470%−19 pts
Lycée Vincent Van GoghNearest lycéeGeneral lycéeGeneral lycée37593%−2 pts
Lycée LavoisierBest against expectations: 10 points above the expected rateVocational lycéeVocational lycée7584%+10 pts

See all 7 schools →

92%
passed the general and technological bac, −2.5 pts against the expected rate
86%
passed the vocational bac, +7.2 pts against the expected rate
76.3%
passed the brevet at the collèges, −11.5 pts against the expected rate
1.2 mi
to the nearest collège from the town center

Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte

HousingCost of living D

The estimated advertised rent in Mézières-sur-Seine is €15.19/m² a month, against €18.40/m² in Yvelines’ towns and €12.41/m² in compared French towns

Rents are the ministry’s estimates of advertised rents, not rents actually paid.

The median sale price was €3,144/m², below Yvelines’ towns (€3,717/m²) but above compared French towns (€2,430/m²).

€3,144/m²median sale price

Median sale price per m² · Jul 2023 to Jun 2026

Mézières-sur-Seine€3,144/m²
Median of towns€2,430/m²
Yvelines median€3,717/m²
By typeMedian per m²Sales
Houses€3,144/m²83
€15.19/m²
estimated advertised apartment rent a month, charges included (€13.01 to €17.74/m² a month)
8.2
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€14.91/m²
estimated advertised house rent a month, charges included
€26,750
median annual income per consumption unit, Communauté urbaine Grand Paris Seine et Oise

Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte

Who lives here

A town of families: 21% of people in Mézières-sur-Seine are under 15, more than in Yvelines’ towns or compared French towns

In the comparison, Mézières-sur-Seine comes above both Yvelines’ towns (20%) and compared French towns (17%). People 65 and over make up 14% of the town.

38.8median age
Mézières-sur-SeineYvelines medianFrance median

Ages · share of residents

Highest diploma · residents 15 and older who have left education

No diploma15%
CAP or BEP22%
Baccalauréat19%
Higher education39%

Women and men · all residents

51% women, 49% men

About 96 men for every 100 women. Median share of women: Yvelines 51.6%, France 51.8%.

Ages and diplomas in Mézières-sur-Seine
Mézières-sur-SeineYvelines medianFrance median
Under 1521%20%17%
15–2412%12%11%
25–4426%25%23%
45–6427%26%26%
65+14%17%22%
No diploma15%13%19%
CAP or BEP22%16%26%
Baccalauréat19%16%18%
Higher education39%49%30%

INSEE, census 2023 · Yvelines median and France median: the median of compared communes

Work & commuteJobs & income B+

In Mézières-sur-Seine, 21.9% of commuters go on foot, by bike or by public transport, against 35.4% in Yvelines’ towns and 13.4% in compared French towns

Half of residents lived on more than €30,220 a year per consumption unit, below Yvelines’ towns (€32,600) but above compared French towns (€25,970). 6.6% of the labour force are out of work. Mézières-sur-Seine has 550 jobs for 1,950 working residents, 0.3 per worker.

22%walk, cycle or take transit

How working residents got to work · census 2023

Driving74%
Public transport18%
On foot3%
Motorbike or scooter1%
Bicycle1%
550
jobs based in Mézières-sur-Seine, 0.3 per working resident
6.6%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€30,220
median annual income per consumption unit, 2023 · median of compared French towns €25,970
3%
worked without traveling (at or from home)
A−
Walkability: better than 84% of compared French towns

Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte

Safety

Crime per resident in Mézières-sur-Seine runs lower than in 76% of compared French towns

Police and gendarmerie recorded 60 offenses in the graded categories in Mézières-sur-Seine in 2025. Violence against people ran at 5.2 per 1,000 residents a year and the graded property crimes at 11 (2023–2025 average). For other physical violence and sexual violence, 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, 7.6% of the index here.

5.2recorded violent incidents per 1,000 residents a yearA−Safety Grade

Recorded by type · 2025

Criminal damage21
Family violence12
Vehicle theft12
Theft from vehicles9
Burglary6
Armed robbery0
Fraud21

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.

5.2
recorded violent incidents per 1,000 residents a year, 2023–2025 average
11
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
60
offenses recorded in the graded categories in 2025
7.6%
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

History

1 historic monument, 1 classé

France has no History Grade yet: this card describes, it doesn’t grade.

The Culture ministry lists 1 historic monument in Mézières-sur-Seine: 1 classé (France’s highest heritage protection) and 0 inscrit (the second level).

1historic monument

Monuments by protection · Mérimée

Classé1
Inscrit0

Among them · Classé

12th c.
oldest protected part
1931
first monument protected

Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period

HealthHealth B

Allowing for age and care homes, Mézières-sur-Seine sees 85 deaths per 100 expected, against 76 in Yvelines’ towns and 88 in compared French towns

Care access and life expectancy are shown for context, not graded.

From 2016 to 2025, 195 residents of Mézières-sur-Seine died, against 229 expected from France’s death rates at each age: 15% fewer. 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−.

−15%deaths against expected, after care homesBHealth Grade

Deaths per 100 expected · 2016–2025

Raw85
Adjusted85
Median town88
Expected100
3
GPs in Mézières-sur-Seine · 3.6 GP consultations a year per resident within reach (APL)
2.2 mi
to the nearest emergency department, Centre hospitalier Prive du Montgarde
6.1 mi
to the nearest maternity unit, Centre hospitalier Intercommunal de Meulan les Mureaux
86.8 · 82.3
years of life expectancy at birth, women · men, Yvelines, 2025 (provisional) · France 85.9 · 80.3

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

Nearby attractions

Château d'Épône and 8 more in and around Mézières-sur-Seine

Other places to visit, heritage and gardens in and near Mézières-sur-Seine. Best known first.

All attractions →
Places: © OpenStreetMap contributors · Wikidata
Keep exploring

Everything we know about Mézières-sur-Seine

15pages on Mézières-sur-Seine

Landmarks

Mézières-sur-Seine has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.

All monuments →
Photo credits

Église Saint-Nicolas: Photo: Spedona · CC BY-SA 3.0

Famous people from Mézières-sur-Seine

Wikidata places 1 person here, but the articles don’t both confirm Mézières-sur-Seine as the birthplace, so nobody is listed.

How we find them →

Mézières-sur-Seine’s neighbors

The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →

All towns in Yvelines →
ÉpônePorchevilleIssouGargenvilleAubergenvilleJuziersÉpônePorchevilleIssouGargenvilleAubergenvilleJuziersMézières-sur-Seine
How the neighbors grade
TownPeopleMilesOverallCostSafetyHealth
Mézières-sur-Seine3,923—C+DA−B
Épône7,0311C+DB−A−
Porcheville3,3821.5DC−C+C
Issou4,0602.1B−DAA−
Gargenville7,8692.2C−DBB−
Aubergenville12,7232.6DC−B−C
Juziers4,0653.3C−DB+C−

People: INSEE, census 2023. Miles: center to center.

Questions about Mézières-sur-Seine

Is Mézières-sur-Seine safe?

It grades A− for safety, #15 of 91 in Yvelines. In 2025 police and gendarmerie recorded 6 burglaries and 21 acts of criminal damage.

Are schools in Mézières-sur-Seine good?

They grade D, better than 7% of compared French towns and #77 of 94 in Yvelines. 93% of 375 candidates passed the bac at Lycée Vincent Van Gogh in 2025, 2 points below the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.

Is Mézières-sur-Seine expensive to live in?

Incomes are higher than in most compared French towns, so Mézières-sur-Seine grades D for cost of living.

About Mézières-sur-Seine

Commune in Yvelines, Île-de-France

Mézières-sur-Seine is a commune of 3,923 people in the Communauté urbaine Grand Paris Seine et Oise. 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
3,923 (INSEE, census 2023)
Intercommunality
Communauté urbaine Grand Paris Seine et Oise
Département
Yvelines (78)
Région
Île-de-France
Area
4.2 sq mi (10.8 km²)
INSEE code
78402

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.