Thoiry has subject grades but no overall grade: French towns get one from 2,500 residents. Its weakest subject is health (D): after allowing for care homes, deaths from 2016 to 2025 were 4% above expected, against 12% below for the median of compared French towns. At the median price of €3,358/m², a 70 m² home costs 6.5 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté de communes Cœur d'Yvelines. Its strongest is jobs & income (A+): 0.8 jobs per working resident; 6.8% unemployment.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
Each subject compares Thoiry 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.
Data highlights are ordered by what stands out in Thoiry.
Work & commuteJobs & income A+
Thoiry is better off than Yvelines’ towns or compared French towns: the median disposable income is €34,430 a year per consumption unit
Unemployment runs at 6.8%. At the census, 15.4% went to work on foot, by bike or by public transport, below Yvelines’ towns (35.4%) and close to compared French towns (13.4%).
15%walk, cycle or take transit
How working residents got to work · census 2023
Driving80%
Public transport12%
On foot3%
Motorbike or scooter1%
Bicycle0%
600
jobs based in Thoiry, 0.8 per working resident
6.8%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€34,430
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 88% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Who lives here
A town of families: 22% of people in Thoiry are under 15, more than in Yvelines’ towns or compared French towns
The 65-and-over age group makes up 14% of residents. 48% of adults hold a degree, about level with Yvelines’ towns (49%) and above compared French towns (30%). Half of Thoiry is older than 38.4, half younger.
38.4median age
ThoiryYvelines medianFrance median
Ages · share of residents
12%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma10%
CAP or BEP21%
Baccalauréat18%
Higher education48%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About 95 men for every 100 women. Median share of women: Yvelines 51.6%, France 51.8%.
INSEE, census 2023 · Yvelines median and France median: the median of compared communes
HealthHealth D
Allowing for age and care homes, deaths in Thoiry run higher than in 86% of compared French towns
Care access and life expectancy are shown for context, not graded.
Weighed against its ages and care homes, Thoiry records 104 deaths per 100 expected. France’s death rates at each age would predict 84 deaths here from 2016 to 2025; there were 88, 4% more. Life expectancy in Yvelines: 86.8 years for women and 82.3 for men (2025); France averages 85.9 and 80.3. This Yvelines town has 4 family doctors.
+4%deaths against expected, after care homesDHealth Grade
Deaths per 100 expected · 2016–2025
Raw104
Adjusted104
Median town88
Expected100
4
GPs in Thoiry · 2.2 GP consultations a year per resident within reach (APL)
6.6 mi
to the nearest emergency department, Centre hospitalier Prive du Montgarde
10.5 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
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Safety
Thoiry has no Safety Grade: over a quarter of its index would rest on the département’s average
More of the graded crimes in Thoiry were theft from vehicles than anything else (2025). The yearly rates for 2023–2025: 4.5 violent offenses and 15.6 graded property crimes per 1,000 residents. Police and gendarmerie figures for Thoiry show 20 offenses in 2025.
4.5recorded violent incidents per 1,000 residents a year
Recorded by type · 2025
Theft from vehicles8
Criminal damage7
Burglary5
Armed robbery0
Fraud16
Theft without violence6
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.
4.5
recorded violent incidents per 1,000 residents a year, 2023–2025 average
15.6
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
20
offenses recorded in the graded categories in 2025
37.8%
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 · For family violence, other physical violence, sexual violence and vehicle theft, 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, 37.8% of the index here. The count covers the offense categories the Safety Grade uses.
People: INSEE, census 2023. Miles: center to center.
Questions about Thoiry
Is Thoiry safe?
Thoiry has no Safety Grade: over a quarter of its index would rest on the département’s average. In 2025 police and gendarmerie recorded 5 burglaries and 7 acts of criminal damage.
Is Thoiry expensive to live in?
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €3,358/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Thoiry grades C+ for cost of living.
About Thoiry
Commune in Yvelines, Île-de-France
Thoiry is a commune of 1,434 people in the Communauté de communes Cœur d'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
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.