Homes sell for a median €2,379/m²: 70 m² comes to 6.4 years of the median income per consumption unit in the Communauté d'agglomération Étampois Sud Essonne. Health outcomes fall short of most towns: after allowing for care homes, deaths from 2016 to 2025 were 3% above expected, against 12% below for the median of compared French towns. Its other grades sit near the middle: B− for jobs & income and B− for walkability.
Figures: deaths, INSEE (by commune of residence, 2016–2025) · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · employment and commuting, INSEE census 2023 · amenities, INSEE BPE 2025. Chalo-Saint-Mars 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 Chalo-Saint-Mars 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 Chalo-Saint-Mars.
HealthHealth C−
More deaths than expected: Chalo-Saint-Mars is above 83% of compared French towns once ages and care homes are allowed for
Care access and life expectancy are shown for context, not graded.
From 2016 to 2025, 84 residents of Chalo-Saint-Mars died, against 82 expected from France’s death rates at each age: 3% more. Adjusted mortality here: 103 deaths for every 100 expected. Life expectancy at birth in Essonne is 86.4 years for women and 82.2 for men (2025), against 85.9 and 80.3 across France.
+3%deaths against expected, after care homesC−Health Grade
Deaths per 100 expected · 2016–2025
Raw103
Adjusted103
Median town88
Expected100
0
GPs in Chalo-Saint-Mars · 1.8 GP consultations a year per resident within reach (APL)
3.9 mi
to the nearest emergency department, Centre hospitalier Sud Essonne Dourdan site Etampes
3.9 mi
to the nearest maternity unit, Centre hospitalier Sud Essonne Dourdan site Etampes
86.4 · 82.2
years of life expectancy at birth, women · men, Essonne, 2025 (provisional) · France 85.9 · 80.3
Renting in Chalo-Saint-Mars costs an estimated advertised €14.72/m² a month, against €17.41/m² in Essonne’s towns and €12.41/m² in compared French towns
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
40 sales of houses and apartments in Chalo-Saint-Mars, from July 2023 to June 2026, give the median of €2,379/m². Of the homes sold, 93% were houses. From July 2023 to June 2026, 40 homes were sold in the town.
€2,379/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Chalo-Saint-Mars€2,379/m²
Median of towns€2,430/m²
Essonne median€3,237/m²
By type
Median per m²
Sales
Houses
€2,419/m²
37
€14.72/m²
estimated advertised apartment rent a month, charges included (€12.23 to €17.70/m² a month)
6.4
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€12.86/m²
estimated advertised house rent a month, charges included
€26,130
median annual income per consumption unit, Communauté d'agglomération Étampois Sud Essonne
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
History
Chalo-Saint-Mars keeps more of its old housing than Essonne’s towns or compared French towns: 44% built before 1919
France has no History Grade yet: this card describes, it doesn’t grade.
The oldest protected building goes back to the 17th century. Part of the town has been a protected historic area, a site patrimonial remarquable, since 2010. The Culture ministry lists 3 historic monuments in Chalo-Saint-Mars, none of them classé, France’s highest protection. Houses and mansions, 2 of the 3, make up the bulk.
3historic monuments
Monuments by protection · Mérimée
Classé0
Inscrit3
17th c.
oldest protected part
1926
first monument protected
2010
protected historic area (site patrimonial remarquable)
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Who lives here
Chalo-Saint-Mars has fewer young adults than Essonne’s towns or compared French towns: 9.3% are 15 to 24
Degrees are held by two in five adults, near Essonne’s towns (39%) and higher than compared French towns (30%). Children are 17% of the town. 21% of residents are 65 or over.
46.6median age
Chalo-Saint-MarsEssonne medianFrance median
Ages · share of residents
21%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma11%
CAP or BEP26%
Baccalauréat19%
Higher education40%
Women and men · all residents
49% women, 51% men
WomenFrance medianMen
About an even split. Median share of women: Essonne 51.3%, France 51.8%.
INSEE, census 2023 · Essonne median and France median: the median of compared communes
Work & commuteJobs & income B−
16.5% of commuters in Chalo-Saint-Mars walk, cycle or ride, against 25.8% in Essonne’s towns and 13.4% in compared French towns
The median disposable income was €30,020 a year per consumption unit, near Essonne’s towns (€29,720) and higher than compared French towns (€25,970). Chalo-Saint-Mars holds 150 jobs; 500 of its residents are in work, so 0.3 jobs each. Bus, tram or train carried 12.5% of working residents in Chalo-Saint-Mars to work at the census.
16%walk, cycle or take transit
How working residents got to work · census 2023
Driving75%
Public transport13%
On foot3%
Bicycle1%
Motorbike or scooter0%
150
jobs based in Chalo-Saint-Mars, 0.3 per working resident
8.6%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€30,020
median annual income per consumption unit, 2023 · median of compared French towns €25,970
8%
worked without traveling (at or from home)
B−
Walkability: better than 52% of compared French towns
People: INSEE, census 2023. Miles: center to center.
Questions about Chalo-Saint-Mars
Is Chalo-Saint-Mars safe?
Chalo-Saint-Mars has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 7.7 recorded violent incidents and 9.9 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025.
Is Chalo-Saint-Mars 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 €2,379/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Chalo-Saint-Mars grades C− for cost of living.
About Chalo-Saint-Mars
Commune in Essonne, Île-de-France
Chalo-Saint-Mars is a commune of 1,053 people in the Communauté d'agglomération Étampois Sud Essonne. 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.
