Chilly-Mazarin grades C overall: better than 26% of compared French towns, and #69 of 91 in Essonne. Its weakest subject is safety (D): an average of 11.2 recorded violent incidents and 21 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025. At the median price of €2,562/m², a 70 m² home costs 5.8 times the median annual income per consumption unit (an income adjusted for household size) in the Communauté d'agglomération Communauté Paris-Saclay. 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 Chilly-Mazarin 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 Chilly-Mazarin.
Work & commuteJobs & income B−
For walkability, Chilly-Mazarin ranks above 98% of compared French towns
The median disposable income was €25,860 a year per consumption unit, lower than Essonne’s towns (€29,720) and near compared French towns (€25,970). The census found nearly a third of commuters going to work on foot, by bike or by public transport. For its 9,500 residents in work, Chilly-Mazarin has 9,150 jobs: 1 each.
33%walk, cycle or take transit
How working residents got to work · census 2023
Driving63%
Public transport27%
On foot5%
Motorbike or scooter2%
Bicycle1%
9,150
jobs based in Chilly-Mazarin, 1 per working resident
10.1%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€25,860
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 98% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Who lives here
Few people in Chilly-Mazarin are 65 or over: 14%, below Essonne’s towns and compared French towns
21% are under 15, higher than both Essonne’s towns (20%) and compared French towns (17%). Young adults of 15 to 24 account for just over a tenth of the town. Graduates make up 37% of adults.
36.8median age
Chilly-MazarinEssonne medianFrance median
Ages · share of residents
11%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma18%
CAP or BEP20%
Baccalauréat21%
Higher education37%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About 95 men for every 100 women. Median share of women: Essonne 51.3%, France 51.8%.
INSEE, census 2023 · Essonne median and France median: the median of compared communes
Safety
Chilly-Mazarin records more crime per resident than 86% of compared French towns
Police and gendarmerie figures for Chilly-Mazarin show 651 offenses in 2025. Among the graded crimes here, the most frequent was criminal damage (2025).
11.2recorded violent incidents per 1,000 residents a yearDSafety Grade
Recorded by type · 2025
Criminal damage210
Family violence109
Vehicle theft97
Other physical violence87
Theft from vehicles67
Sexual violence44
Burglary37
Theft without violence237
Fraud139
Drug use92
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.
11.2
recorded violent incidents per 1,000 residents a year, 2023–2025 average
21
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
651
offenses recorded in the graded categories in 2025
0.2%
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 armed robbery, 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, 0.2% of the index here. The count covers the offense categories the Safety Grade uses.
Schools
80.9% of candidates passed the brevet at the 17 collèges within 5 km, 4.4 points below the expected rate
Primary schools aren’t graded: France doesn’t publish their results by school.
At the lycées within 5 km of Chilly-Mazarin, 90.0% passed the bac, about level with Essonne’s towns (91.1%) and below compared French towns (92.9%). By results, schools here place #66 of 94 in Essonne.
93%passed the bac (general and technological)C−School Grade
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
HousingCost of living C
For cost of living, Chilly-Mazarin gets a C
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The estimated advertised rent is €17.64/m² a month, about level with Essonne’s towns (€17.41/m²) and above compared French towns (€12.41/m²). Behind the median of €2,562/m²: 633 houses and apartments sold in Chilly-Mazarin between July 2023 and June 2026. Houses in Chilly-Mazarin sell for €3,866/m² and apartments for €2,440/m².
€2,562/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Chilly-Mazarin€2,562/m²
Median of towns€2,430/m²
Essonne median€3,237/m²
By type
Median per m²
Sales
Houses
€3,866/m²
103
Apartments
€2,440/m²
530
€17.64/m²
estimated advertised apartment rent a month, charges included (€15.26 to €20.40/m² a month)
5.8
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€16.97/m²
estimated advertised house rent a month, charges included
€30,880
median annual income per consumption unit, Communauté d'agglomération Communauté Paris-Saclay
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
HealthHealth B+
Allowing for age and care homes, deaths in Chilly-Mazarin run lower than in 71% of compared French towns
Care access and life expectancy are shown for context, not graded.
At birth, a girl in Essonne can expect 86.4 years and a boy 82.2 (2025); across France, 85.9 and 80.3. France’s death rates at each age would predict 1,311 deaths in Chilly-Mazarin from 2016 to 2025; there were 1,111, 15% fewer. Its care home for older people (62 places) counts its residents as Chilly-Mazarin’s; allowing for it, deaths were 19% below expected. 10 GPs practise in the town.
−19%deaths against expected, after care homesB+Health Grade
Deaths per 100 expected · 2016–2025
Raw85
Adjusted81
Median town88
Expected100
10
GPs in Chilly-Mazarin · 3.3 GP consultations a year per resident within reach (APL)
1.2 mi
to the nearest emergency department, Centre hospitalier Longjumeau
1 mi
to the nearest maternity unit, Clinique de L Yvette
86.4 · 82.2
years of life expectancy at birth, women · men, Essonne, 2025 (provisional) · France 85.9 · 80.3
France has no History Grade yet: this card describes, it doesn’t grade.
Before 1919: that is when 0.7% of homes were built. Among the classé monuments in Chilly-Mazarin is église Saint-Étienne. 4 of the 5 are houses and mansions. Its oldest listed monument dates from the 12th century.
People: INSEE, census 2023. Miles: center to center.
Questions about Chilly-Mazarin
Is Chilly-Mazarin safe?
It grades D for safety, #86 of 91 in Essonne. In 2025 police and gendarmerie recorded 37 burglaries and 210 acts of criminal damage.
Are schools in Chilly-Mazarin good?
They grade C−, better than 19% of compared French towns and #66 of 94 in Essonne. 93% of 194 candidates passed the bac at Lycée Marguerite Yourcenar in 2025, at the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Chilly-Mazarin 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 €2,562/m², against €2,430/m² for the median of compared French towns. Incomes are lower than in most compared French towns, so Chilly-Mazarin grades C for cost of living.
About Chilly-Mazarin
Commune in Essonne, Île-de-France
Chilly-Mazarin is a commune of 20,443 people in the Communauté d'agglomération Communauté Paris-Saclay. 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.
