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Le Mesnil-le-Roi

Le Mesnil-le-Roi has 6,340 residents and 2,631 homes, 53% of them houses. Homes sold for a median €5,440/m² over five years, 36% above the département figure. The median living standard is €36,120 a year. For the average resident, 46 everyday shops and services are within a 15-minute walk.

Commune · Insee 78396 · Postcode 78600 · Updated 24 October 2026
6,340residents2022 census
€5,440/m²median price per m²Yvelines : €4,010/m²
25%green space within 500 mneighbourhood average
46services within a 15-minute walkneighbourhood average
Le Mesnil-le-Roi · 3 IRIS neighbourhoods
Map of Le Mesnil-le-Roi: Share of land within 500 m that is green space
0%30%+
Share of land within 500 m that is green space

Sources: IGN and Insee, IRIS boundaries and Admin Express 2024 (Open Licence 2.0) · © OpenStreetMap contributors (ODbL) · Insee, Filosofi 2021 income data (Open Licence 2.0)

All 3 IRIS neighbourhoods.

IRIS are Insee’s statistical neighbourhoods of about 2,000 people each. Colour shows where each one sits among the others.

NeighbourhoodResidentsLiving standardHome ownersSocial housingAged 75+UnemploymentGreen 500 mServices 15 min
Nord-Est1,761€23,96036%51%8%10.0%32%40
Nord-Ouest2,570€43,13083%4%13%5.7%16%56
Sud2,009€38,88080%6%9%6.8%30%37

Sources: Insee, 2022 population census (sub-municipal files, Open Licence 2.0) · Insee, Filosofi 2021 income data (Open Licence 2.0) · © OpenStreetMap contributors (ODbL)

People.

6,340 residents and 2,458 households at the 2022 census, next to the département figure.

18%
aged under 15
17%
aged 15–29
27%
aged 60 and over
26%
of households are people living alone
36%
of households are couples with children
11%
of households are single-parent families

Source: Insee, 2022 population census (sub-municipal files, Open Licence 2.0)

Homes.

2,631 homes, 94% of them main residences, with 4.7 rooms on average.

53%
of homes are houses
68%
of households own their home
19%
of households rent social housing (HLM)
1%
second homes
5%
empty homes
90%
of households have a car

When main homes were built

before 19198%
1919–19459%
1946–197034%
1971–199032%
1991–200512%
2006–20195%

Source: Insee, 2022 population census (sub-municipal files, Open Licence 2.0)

Property prices.

313 house and flat sales over five years.

€5,440/m²median price, houses and flatsYvelines : €4,010/m²
€4,420/m²flats152 sales
€6,620/m²houses161 sales

Median prices from sales published in France’s Demandes de valeurs foncières (DVF) over ten half-years, for sales of a single property. Individual sales are not shown. A median is only given where there were at least ten sales.

Source: DGFiP property sales (DVF), data.gouv.fr statistics (Open Licence 2.0)

Income and work.

Median living standard of €36,120 a year in 2021.

€36,120median living standard a year2021
5.0%poverty ratethreshold: 60% of national median
€16,940the lowest-income 10% live on less than1st decile
€75,030the highest-income 10% live on more than9th decile
7.2%
unemployment among 15–64s (census definition)
58%
of over-15s who have left school hold a higher-education degree
27%
managers and professionals among over-15s
26%
retired among over-15s

Living standard is a household’s disposable income after taxes and benefits, divided by its consumption units. Half of residents live on less than the median. Income on its own says nothing about what a neighbourhood is like to live in.

Sources: Insee, Filosofi 2021 income data (Open Licence 2.0) · Insee, 2022 population census (sub-municipal files, Open Licence 2.0)

Safety.

Offences recorded in 2025, with the rate per 1,000 residents and the change from 2024.

Indicator2025RateChange
Burglaries of homes186.8 per 1,000−25%
Thefts from people without violence172.7 per 1,000−29%
Physical violence outside the family111.7 per 1,000+120%
Domestic physical violence172.7 per 1,000+13%
Vehicle thefts101.6 per 1,000−23%
Thefts from vehicles152.4 per 1,000+67%
Deliberate damage and vandalism254.0 per 1,000−39%
Fraud and payment card fraud355.5 per 1,000−17%

These figures count offences recorded by the police and gendarmerie, not how safe a place feels, and not every offence is reported. Rates are per 1,000 residents (per 1,000 homes for burglaries): where many people visit but few live, as in town centres and shopping areas, they are naturally higher. Small counts are not published.

Source: Ministry of the Interior (SSMSI), recorded crime by municipality 2024–2025 (Open Licence 2.0)

Everyday life.

What is within one kilometre of the town hall. For the average resident, 17 public transport stops are within 800 m, and the nearest rail or tram station is 1.6 km away.

Supermarkets and convenience shops2
Bakeries0
Pharmacies0
Doctors0
Dentists0
Cafés and bars0
Restaurants1
Parks and gardens3
Playgrounds2
Sports pitches11
Gyms and sports halls0
Libraries1
Nurseries and childcare0
Bus stops15
Tram and metro stops0
Railway stations0

Source: © OpenStreetMap contributors (ODbL)

Health, shops and services.

Facilities and services in Le Mesnil-le-Roi on 1 January 2025, from Insee’s permanent database of facilities.

9.5GPs per 10,000 residentsdépartement: 6.5
2pharmacieson 1 January 2025
3food storessupermarkets, convenience stores, grocers
General practitioners6
Nurses5
Physiotherapists7
Pharmacies2
Group health centres1
Supermarkets and hypermarkets2
Convenience stores and grocers1
Bakeries7
Butchers4
Petrol stations2
EV charging stations6
Post offices and postal points1
Restaurants9
Hairdressers6
Nurseries1
Sports halls1
Gyms1
Libraries1
Performance venues1

Insee’s permanent database of facilities lists the shops, services and health professionals present in each commune on 1 January. Health professionals in private practice are counted one by one; several may work at the same address.

Source: Insee, permanent database of facilities 2025 (Open Licence 2.0)

Natural and industrial hazards.

Major hazards the State lists for Le Mesnil-le-Roi, prevention plans in force and natural-disaster declarations since 1982.

Floodingprevention plan
Ground movementprevention plan
Transport of hazardous goods
7natural-disaster declarationssince 1983
January 2018latest recognised eventFloods and mudflows

Natural-disaster declarations by type

Floods and mudflows6
Ground movement1

A natural-disaster declaration (arrêté CatNat) lets insurers pay out for the damage. The count reflects past events, not a forecast of future risk. The list of hazards comes from each département’s major-risk file; a prevention plan in force limits building in exposed zones.

Source: Géorisques, GASPAR database (Open Licence 2.0), as of 5 October 2026

Schools.

3 primary and nursery schools, 0 collèges and 0 lycées are open here, 3 of them state schools.

Ecole maternelle Jean JaurèsNursery school · state
Ecole primaire Clos de La SallePrimary school · state
Ecole élémentaire Jean JaurèsPrimary school · state

Source: Ministry of Education, school directory (Open Licence 2.0). Admission depends on catchment rules and each school’s own policy.

Nearby communes.

The communes in the département whose town halls are closest.