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France›Yvelines›Île-de-France

GuernesYvelines

Home to 1,085 people, this town lies in Yvelines, Île-de-France.

Is Guernes a good place to live?

Schools are its weak spot (D−) — bac results 2.6 points below the expected rate; brevet results 7.1 points below the expected rate. Housing is expensive (C): at the median price, a 70 m² home costs 6.9 times the median annual income per consumption unit in the intercommunality. It also trails on health — after allowing for care homes, deaths from 2016 to 2025 were 3% below expected, against 12% below for the median of compared French towns.

Guernes has subject grades but no overall grade: French towns get one from 2,500 residents.

Hazard risk isn’t graded in France yet: national flood maps cover only some areas.

How Guernes grades

Each subject compares Guernes 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

Guernes has subject grades but no overall grade: French towns get one from 2,500 residents.

SchoolsNear the bottom of the towns comparedD−Open →Cost of livingGraded on home prices against local incomesCOpen →HealthResidents’ health trails most townsCOpen →Jobs & income7.9% unemploymentC+Open →WalkabilityClose to the middle of the towns comparedB−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 →

Guernes’ outline. No photo of the town is in our collection yet.
Guernes’ story

1 historic monument, none of them classé

Guernes has 1 historic monument on the Culture ministry’s list, none at the highest level (classé).

The oldest protected part dates from the 20th century; the first monument here was protected in 2021.

19% of its homes were built before 1919, against 7.4% in the median compared French town.

  • 2021First protected: Église Notre-Dame-de-l'Assomption
Explore the history →

The data

Data highlights are ordered by what stands out in Guernes.

Schools

Brevet results near Guernes run low: 67.0% passed, below Yvelines’ towns and compared French towns

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

Vocational results within 5 km: 71% passed the bac pro, of 134 candidates. 84.9% of candidates passed the bac at the lycées within 5 km of Guernes, below both Yvelines’ towns (93.9%) and compared French towns (92.9%). Also worth knowing: for collège, the closest is 0.8 mi away.

88%passed the bac (general and technological)D−School Grade

Brevet pass rate · collèges within 5 km

Guernes67.0%
Median of towns87.5%

Bac pass rate · lycées within 5 km

Guernes84.9%
Median of towns92.9%
SchoolLevelCandidatesPassed, 2025
Collège SullyNearest collègeCollègeCollège14170%−13 pts
Lycée Saint-ExupéryNearest lycéeGeneral lycéeGeneral lycée45395%+2 pts
Collège ClemenceauBest against expectations: a point above the expected rateCollègeCollège7972%+1 pt

See all 6 schools →

88%
passed the general and technological bac, −2.1 pts against the expected rate
71%
passed the vocational bac, −5 pts against the expected rate
67.0%
passed the brevet at the collèges, −7.1 pts against the expected rate
0.8 mi
to the nearest collège from the town center

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

Who lives here

A younger town: only 16% of residents are 65 or over

Degrees are held by 31% of adults, lower than Yvelines’ towns (49%) and near compared French towns (30%). One measure of family life: nearly a fifth of residents are under 15. Typical age in Guernes: 42.4, the median.

42.4median age
GuernesYvelines medianFrance median

Ages · share of residents

Highest diploma · residents 15 and older who have left education

No diploma15%
CAP or BEP29%
Baccalauréat22%
Higher education31%

Women and men · all residents

48% women, 52% men

About 107 men for every 100 women. Median share of women: Yvelines 51.6%, France 51.8%.

Ages and diplomas in Guernes
GuernesYvelines medianFrance median
Under 1519%20%17%
15–2412%12%11%
25–4423%25%23%
45–6430%26%26%
65+16%17%22%
No diploma15%13%19%
CAP or BEP29%16%26%
Baccalauréat22%16%18%
Higher education31%49%30%

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

HousingCost of living C

Renting in Guernes costs an estimated advertised €13.06/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 price, €2,644/m², comes from 33 sales of houses and apartments in Guernes from July 2023 to June 2026.

€2,644/m²median sale price

Median sale price per m² · Jul 2023 to Jun 2026

Guernes€2,644/m²
Median of towns€2,430/m²
Yvelines median€3,717/m²
By typeMedian per m²Sales
Houses€2,644/m²33
€13.06/m²
estimated advertised apartment rent a month, charges included (€10.95 to €15.58/m² a month)
6.9
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€11.81/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

HealthHealth C

Guernes’ death rate, adjusted for age and care homes, is higher than in 73% of compared French towns

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

70 deaths in Guernes between 2016 and 2025, where France’s rates at each age predict 72: 3% below. Adjusted for age and care homes, Guernes records 97 deaths per 100 expected, above Yvelines’ towns (76) and compared French towns (88) alike. At birth, a girl in Yvelines can expect 86.8 years and a boy 82.3 (2025); across France, 85.9 and 80.3.

−3%deaths against expected, after care homesCHealth Grade

Deaths per 100 expected · 2016–2025

Raw97
Adjusted97
Median town88
Expected100
0
GPs in Guernes · 0.9 GP consultations a year per resident within reach (APL)
2 mi
to the nearest emergency department, Centre hospitalier Francois Quesnay
2 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 · The care-home adjustment is a TownRatings modeling step, not an official statistic. A less sure grade: it could be anywhere from D− to B+.

History

Guernes keeps more of its old housing than Yvelines’ towns or compared French towns: 19% built before 1919

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

The oldest protected building goes back to the 20th century. Guernes has 1 historic monument on the Culture ministry’s list, none at the highest level (classé).

1historic monument

Monuments by protection · Mérimée

Classé0
Inscrit1
20th c.
oldest protected part
2021
first monument protected

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

Work & commuteJobs & income C+

Only 12.0% of commuters in Guernes go to work without a car, fewer than in Yvelines’ towns and across compared French towns

7.9% of the labour force were unemployed, below both Yvelines’ towns (8.7%) and compared French towns (10.1%). The typical income here, after tax and benefits, is €28,590 a year per consumption unit. Jobs located in Guernes: 50, for 550 residents in work (0.1 each).

12%walk, cycle or take transit

How working residents got to work · census 2023

Driving85%
Public transport10%
On foot2%
Motorbike or scooter1%
Bicycle0%
50
jobs based in Guernes, 0.1 per working resident
7.9%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€28,590
median annual income per consumption unit, 2023 · median of compared French towns €25,970
2%
worked without traveling (at or from home)
B−
Walkability: better than 45% of compared French towns

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

Keep exploring

Everything we know about Guernes

14pages on Guernes

Landmarks

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

All monuments →

Famous people from Guernes

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

How we find them →

Guernes’ 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-SeineFreneuseBuchelayMantes-la-JolieBonnières-sur-SeineMagnanvilleRosny-sur-SeineFreneuseBuchelayMantes-la-JolieBonnières-sur-SeineMagnanvilleGuernes
How the neighbors grade
TownPeopleMilesOverallCostSafetyHealth
Guernes1,085——C—C
Rosny-sur-Seine7,3280.9C−C−BB
Freneuse4,5052.6C−CB+C+
Buchelay3,3602.8C−DDA−
Mantes-la-Jolie43,5262.9DC−CB−
Bonnières-sur-Seine5,0643.1DCCB−
Magnanville6,3833.6C+C−B+B

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

Questions about Guernes

Is Guernes safe?

Guernes has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 6 recorded violent incidents and 7.6 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025.

Are schools in Guernes good?

They grade D−, better than 2% of compared French towns. The lycée stands out: 95% of 453 candidates passed the bac at Lycée Saint-Exupéry in 2025, 2 points above the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.

Is Guernes expensive to live in?

Prices are close to the median of compared French towns: the median sale price from July 2023 to June 2026 was €2,644/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Guernes grades C for cost of living.

About Guernes

Commune in Yvelines, Île-de-France

Guernes is a commune of 1,085 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
1,085 (INSEE, census 2023)
Intercommunality
Communauté urbaine Grand Paris Seine et Oise
Département
Yvelines (78)
Région
Île-de-France
Area
3.3 sq mi (8.6 km²)
INSEE code
78290

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.