Each edition grades its towns against each other only.
A town of 16,804 in Yvelines, Île-de-France.
Les Clayes-sous-Bois grades B− overall: better than 53% of compared French towns, and #51 of 91 in Yvelines. Its weakest subject is cost of living (D): at the median price, a 70 m² home costs 7.8 times the median annual income per consumption unit in the intercommunality. Its strongest is walkability (A+): 100% of residents live within 800 m of a bakery, and 33% 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.
Each subject compares Les Clayes-sous-Bois 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 TownRatings grades French towns →
The Culture ministry lists 1 historic monument in Les Clayes-sous-Bois, none of them classé, France’s highest protection.
1.4% of its homes were built before 1919, against 7.4% in the median compared French town.
Heritage, family days out and gardens in and near Les Clayes-sous-Bois. Best known first.
Data highlights are ordered by what stands out in Les Clayes-sous-Bois.
32.6% of commuters walked, cycled or took the bus or train at the census, close to Yvelines’ towns (35.4%) and above compared French towns (13.4%). The median disposable income is €29,120 a year per consumption unit. Les Clayes-sous-Bois has 4,650 jobs for 7,700 working residents, 0.6 per worker.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The median price, €3,203/m², comes from 492 sales of houses and apartments in Les Clayes-sous-Bois from July 2023 to June 2026. Houses in Les Clayes-sous-Bois sell for €3,826/m² and apartments for €2,807/m². Advertised rents are estimated at €18.61/m² a month, close to Yvelines’ towns (€18.40/m²) and above compared French towns (€12.41/m²).
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €3,826/m² | 211 |
| Apartments | €2,807/m² | 281 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Primary schools aren’t graded: France doesn’t publish their results by school.
For Les Clayes-sous-Bois, that is below both Yvelines’ towns (82.7%) and compared French towns (87.5%).
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Anatole FranceNearest collègeCollège | Collège | 109 | 83%−5 pts |
| Lycée Sonia DelaunayNearest lycéeGeneral lycée | General lycée | 263 | 99%+1 pt |
| Lycée professionnel Henri MatisseBest against expectations: 2 points above the expected rateVocational lycée | Vocational lycée | 139 | 85%+2 pts |
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Care access and life expectancy are shown for context, not graded.
From 2016 to 2025, 1,074 residents of Les Clayes-sous-Bois died, against 1,366 expected from France’s death rates at each age: 21% fewer. Adjusted for age and care homes, Les Clayes-sous-Bois records 79 deaths per 100 expected, close to Yvelines’ towns (76) and below compared French towns (88). The care-home adjustment is a TownRatings modeling step, not an official statistic.
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
12% of residents are 15 to 24 and 19% are 65 or over, against 12% and 17% in the median compared commune of Yvelines. 39% of adults who have left education hold a higher-education diploma (Yvelines 49%, France 30%).
51% women, 49% men
About 94 men for every 100 women. Median share of women: Yvelines 51.6%, France 51.8%.
| Les Clayes-sous-Bois | Yvelines median | France median | |
|---|---|---|---|
| Under 15 | 18% | 20% | 17% |
| 15–24 | 12% | 12% | 11% |
| 25–44 | 24% | 25% | 23% |
| 45–64 | 27% | 26% | 26% |
| 65+ | 19% | 17% | 22% |
| No diploma | 16% | 13% | 19% |
| CAP or BEP | 21% | 16% | 26% |
| Baccalauréat | 19% | 16% | 18% |
| Higher education | 39% | 49% | 30% |
INSEE, census 2023 · Yvelines median and France median: the median of compared communes
France has no History Grade yet: this card describes, it doesn’t grade.
The Culture ministry lists 1 historic monument in Les Clayes-sous-Bois, none of them classé, France’s highest protection. 1.4% of its homes were built before 1919, against 7.4% in the median compared French town.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Police and gendarmerie recorded 327 offenses in the graded categories in Les Clayes-sous-Bois in 2025. For 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, 0.4% of the index here.
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.
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte
Les Clayes-sous-Bois has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.
Rendez-vous de chasse (ancien): Photo: Utilisateur:Djampa - User:Djampa · CC BY-SA 4.0
One notable person was born in Les Clayes-sous-Bois.
Jean-François Beltramini: TaraO, Public domain
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Les Clayes-sous-Bois | 16,804 | — | B− | D | B | A− |
| Villepreux | 11,931 | 0.8 | A− | D− | A− | A+ |
| Plaisir | 31,811 | 1.5 | C+ | D | C+ | B− |
| Bois-d'Arcy | 16,586 | 2.3 | B+ | C− | B− | A+ |
| Saint-Nom-la-Bretèche | 4,965 | 3 | A− | D | B+ | A+ |
| Fontenay-le-Fleury | 13,680 | 3.1 | B+ | C− | B+ | A |
| Trappes | 34,689 | 3.2 | D | C− | C | C |
People: INSEE, census 2023. Miles: center to center.
It grades B for safety, #42 of 91 in Yvelines. In 2025 police and gendarmerie recorded 29 burglaries and 131 acts of criminal damage.
They grade C−, better than 22% of compared French towns and #52 of 94 in Yvelines. The lycée stands out: 99% of 263 candidates passed the bac at Lycée Sonia Delaunay 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.
Incomes are higher than in most compared French towns, so Les Clayes-sous-Bois grades D for cost of living.
Commune in Yvelines, Île-de-France
Les Clayes-sous-Bois is a commune of 16,804 people in the Communauté d'agglomération de Saint-Quentin-en-Yvelines. 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
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.
