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France›Yvelines›Île-de-France

LongnesYvelines

A town of 1,601 in Yvelines, Île-de-France. Only 14% of residents are 65 or over.

Is Longnes a good place to live?

Longnes has subject grades but no overall grade: French towns get one from 2,500 residents. Its weakest subject is schools (D−): brevet results 13 points below the expected rate. At the median price of €2,405/m², a 70 m² home costs 5.3 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté de communes du Pays Houdanais (CCPH). Its strongest is health (A): after allowing for care homes, deaths from 2016 to 2025 were 29% 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.

StrongestAHealthWeakestD−Schools

What makes Longnes stand out

The one thing Longnes does most differently from other towns.

Picked automatically from the data

How Longnes grades

Each subject compares Longnes 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

SchoolsD−Open →HealthAOpen →Walkability75% of residents live within 800 m of a bakery, and 13% of working residents walk, cycle or take public transport to workB+Open →Cost of livingC+Open →Jobs & income8.7% unemploymentB−Open →
SafetyNot graded: over a quarter of the index would rest on the département’s average, where small counts aren’t published–
Hazard riskNot graded in France yet: national flood maps cover only some areas–

How TownRatings grades French towns →

Église
Église · Inscrit · Photo: This illustration was made by Peter Potrowl . · CC BY-SA 4.0
Longnes’ story

Longnes in pictures

The Culture ministry lists 1 historic monument in Longnes, none of them classé, France’s highest protection.

The oldest protected part dates from the 12th century; the first monument here was protected in 1950.

15% of its homes were built before 1919, against 7.4% in the median compared French town.

Explore the history →

The data

Data highlights are ordered by what stands out in Longnes.

Schools

Brevet results near Longnes run low: 77.0% passed, below Yvelines’ towns and compared French towns

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

That puts Longnes below both Yvelines’ towns (82.7%) and compared French towns (87.5%).

77.0%passed the brevetD−School Grade

Brevet pass rate · collèges within 5 km

Longnes77.0%
Median of towns87.5%
SchoolLevelCandidatesPassed, 2025
Collège Les NénupharsNearest collègeCollègeCollège13977%−13 pts
77.0%
passed the brevet at the collèges, −13 pts against the expected rate
2.6 mi
to the nearest collège from the town center

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

HealthHealth A

Allowing for age and care homes, Longnes sees fewer deaths than Yvelines’ towns or compared French towns: 71 per 100 expected

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

On this, Longnes is below both Yvelines’ towns (76) and compared French towns (88). The care-home adjustment is a TownRatings modeling step, not an official statistic. A less sure grade: it could be anywhere from B to A+.

−29%deaths against expected, after care homesAHealth Grade

Deaths per 100 expected · 2016–2025

Raw71
Adjusted71
Median town88
Expected100
1
GPs in Longnes · 1 GP consultations a year per resident within reach (APL)
6.7 mi
to the nearest emergency department, Centre hospitalier Francois Quesnay
6.7 mi
to the nearest maternity unit, Centre hospitalier Francois Quesnay
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

Who lives here

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

In the comparison, Longnes comes above both Yvelines’ towns (20%) and compared French towns (17%). Over-65s are 14% of the population.

40.2median age
LongnesYvelines medianFrance median

Ages · share of residents

Highest diploma · residents 15 and older who have left education

No diploma15%
CAP or BEP29%
Baccalauréat19%
Higher education32%

Women and men · all residents

50% women, 50% men

About an even split. Median share of women: Yvelines 51.6%, France 51.8%.

Ages and diplomas in Longnes
LongnesYvelines medianFrance median
Under 1521%20%17%
15–2410%12%11%
25–4426%25%23%
45–6429%26%26%
65+14%17%22%
No diploma15%13%19%
CAP or BEP29%16%26%
Baccalauréat19%16%18%
Higher education32%49%30%

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

Work & commuteJobs & income B−

In Longnes, 13.0% of commuters go on foot, by bike or by public transport, against 35.4% in Yvelines’ towns and 13.4% in compared French towns

The median disposable income was €29,780 a year per consumption unit, below Yvelines’ towns (€32,600) but above compared French towns (€25,970). Longnes has 250 jobs for 800 working residents, 0.3 per worker.

13%walk, cycle or take transit

How working residents got to work · census 2023

Driving81%
Public transport10%
On foot3%
Motorbike or scooter1%
Bicycle0%
250
jobs based in Longnes, 0.3 per working resident
8.7%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€29,780
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 67% of compared French towns

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

History

Old homes shape Longnes: 15% were built before 1919, more than in Yvelines’ towns or compared French towns

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

For Longnes, that is above both Yvelines’ towns (5.2%) and compared French towns (7.4%). The Culture ministry lists 1 historic monument in Longnes, none of them classé, France’s highest protection.

1historic monument

Monuments by protection · Mérimée

Classé0
Inscrit1
12th c.
oldest protected part
1950
first monument protected

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

HousingCost of living C+

Renting in Longnes costs an estimated advertised €15.87/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 €2,405/m², below Yvelines’ towns (€3,717/m²) and close to compared French towns (€2,430/m²).

€2,405/m²median sale price

Median sale price per m² · Jul 2023 to Jun 2026

Longnes€2,405/m²
Median of towns€2,430/m²
Yvelines median€3,717/m²
By typeMedian per m²Sales
Houses€2,400/m²51
€15.87/m²
estimated advertised apartment rent a month, charges included (€13.43 to €18.76/m² a month)
5.3
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€14.28/m²
estimated advertised house rent a month, charges included
€31,970
median annual income per consumption unit, Communauté de communes du Pays Houdanais (CCPH)

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

Nearby attractions

Château de Tilly and 2 more in and around Longnes

Heritage, museums and other places to visit in and near Longnes. Best known first.

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

Everything we know about Longnes

15pages on Longnes

Landmarks

Longnes has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.

All monuments →

Famous people from Longnes

Wikidata has nobody with a French article born in Longnes yet.

How we find them →

Longnes’ 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 →
Rosny-sur-SeineMagnanvilleBuchelayIvry-la-BatailleMantes-la-VilleMantes-la-JolieRosny-sur-SeineMagnanvilleBuchelayIvry-la-BatailleMantes-la-VilleMantes-la-JolieLongnes
How the neighbors grade
TownPeopleMilesOverallCostSafetyHealth
Longnes1,601——C+—A
Rosny-sur-Seine7,3285.6C−C−BB
Magnanville6,3835.7C+C−B+B
Buchelay3,3605.9C−DDA−
Ivry-la-Bataille Eure2,6096.2C−CA−C−
Mantes-la-Ville22,3326.7DC−C+B
Mantes-la-Jolie43,5267.2DC−CB−

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

Questions about Longnes

Is Longnes safe?

Longnes has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 4.1 recorded violent incidents and 7.3 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025.

Are schools in Longnes good?

They grade D−, better than 1% of compared French towns. Primary schools aren’t graded: France doesn’t publish their results by school.

Is Longnes expensive to live in?

Incomes are higher than in most compared French towns, so Longnes grades C+ for cost of living.

About Longnes

Commune in Yvelines, Île-de-France

Longnes is a commune of 1,601 people in the Communauté de communes du Pays Houdanais (CCPH). 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
1,601 (INSEE, census 2023)
Intercommunality
Communauté de communes du Pays Houdanais (CCPH)
Département
Yvelines (78)
Région
Île-de-France
Area
5.4 sq mi (14 km²)
INSEE code
78346

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.