Thiverval-Grignon’s best grade is for jobs & income (A+): 1.7 jobs per working resident; 3.6% unemployment. Health is a weak point (D): after allowing for care homes, deaths from 2016 to 2025 were 13% above expected, against 12% below for the median of compared French towns. It also trails on cost of living: A year’s estimated rent on a 70 m² apartment is 43% of the median annual income per consumption unit in the intercommunality. Young adults aged 15 to 24 make up nearly a fifth of residents.
Figures: employment, INSEE census 2023 · deaths, INSEE (by commune of residence, 2016–2025) · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi. Thiverval-Grignon 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.
Each subject compares Thiverval-Grignon 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 Thiverval-Grignon.
Who lives here
Students and young workers shape Thiverval-Grignon: 19% are 15 to 24, above Yvelines’ towns and compared French towns
People 65 and over make up just over a tenth of the town. 54% of adults hold a degree, above both Yvelines’ towns (49%) and compared French towns (30%). Thiverval-Grignon has a median age of 34.6 years.
34.6median age
Thiverval-GrignonYvelines medianFrance median
Ages · share of residents
19%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma9%
CAP or BEP18%
Baccalauréat17%
Higher education54%
Women and men · all residents
53% women, 47% men
WomenFrance medianMen
About 89 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
Thiverval-Grignon loses more people than its age profile suggests, 113 per 100 expected, above Yvelines’ towns and compared French towns
Care access and life expectancy are shown for context, not graded.
France’s death rates at each age would predict 59 deaths in Thiverval-Grignon from 2016 to 2025; there were 67, 13% more. Life expectancy in Yvelines: 86.8 years for women and 82.3 for men (2025); France averages 85.9 and 80.3. The nearest emergency department to Thiverval-Grignon is Hopital Prive de L Ouest Parisien, 5.8 mi away.
+13%deaths against expected, after care homesDHealth Grade
Deaths per 100 expected · 2016–2025
Raw113
Adjusted113
Median town88
Expected100
0
GPs in Thiverval-Grignon · 1.7 GP consultations a year per resident within reach (APL)
5.8 mi
to the nearest emergency department, Hopital Prive de L Ouest Parisien
5.8 mi
to the nearest maternity unit, Hopital Prive de L Ouest Parisien
86.8 · 82.3
years of life expectancy at birth, women · men, Yvelines, 2025 (provisional) · France 85.9 · 80.3
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
History
Old homes shape Thiverval-Grignon: 20% were built before 1919, more than in Yvelines’ towns and across compared French towns
France has no History Grade yet: this card describes, it doesn’t grade.
Its heritage reaches back to the 12th century. Among the classé monuments in Thiverval-Grignon is Église Saint-Martin. The town has 2 historic monuments on the Culture ministry’s list: 1 classé, the highest protection, and 1 inscrit, the second level.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commuteJobs & income A+
Incomes in Thiverval-Grignon run higher than in Yvelines’ towns and across compared French towns: a median €34,020 a year per consumption unit
The unemployment rate comes to 3.6%. At the census, 21.7% went to work on foot, by bike or by public transport, lower than Yvelines’ towns (35.4%) yet higher than compared French towns (13.4%).
22%walk, cycle or take transit
How working residents got to work · census 2023
Driving73%
Public transport17%
On foot4%
Motorbike or scooter2%
Bicycle2%
800
jobs based in Thiverval-Grignon, 1.7 per working resident
3.6%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€34,020
median annual income per consumption unit, 2023 · median of compared French towns €25,970
3%
worked without traveling (at or from home)
B
Walkability: better than 60% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Safety
Thiverval-Grignon has no Safety Grade: over a quarter of its index would rest on the département’s average
The yearly rates for 2023–2025: 7.2 violent offenses and 9.4 graded property crimes per 1,000 residents. With 800 jobs for 500 working residents, Thiverval-Grignon draws people in from neighbouring communes.
7.2recorded violent incidents per 1,000 residents a year
Recorded by type · 2025
Fraud5
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.
7.2
recorded violent incidents per 1,000 residents a year, 2023–2025 average
9.4
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
0
offenses recorded in the graded categories in 2025
100.0%
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, armed robbery, burglary, vehicle theft, theft from vehicles and criminal damage, the count isn’t published when it’s small (five or fewer in a year of the last three), so the index uses the département’s average, 100.0% of the index here. Crimes are counted in the commune where they happen, then divided by its residents, so a town that draws people in from around can look higher.
Nearby attractions
Château de Grignon and 6 more in and around Thiverval-Grignon
Heritage, gardens and other places to visit in and near Thiverval-Grignon. Best known first.
Ancien château de Grignon, actuelle école nationale d'agriculture de Grignon: Photo: Laurent Bourcier · CC BY-SA 3.0 · Église Saint-Martin: Photo: Thor19 · CC BY-SA 4.0
People: INSEE, census 2023. Miles: center to center.
Questions about Thiverval-Grignon
Are schools in Thiverval-Grignon good?
They grade C+, better than 37% of compared French towns. The lycée stands out: 97% of 209 candidates passed the bac at Lycée Jean Vilar 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.
About Thiverval-Grignon
Commune in Yvelines, Île-de-France
Thiverval-Grignon is a commune of 1,023 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.
