Saint-Mard’s lowest grade is for cost of living — at the median price, a 70 m² home costs 10.1 times the median annual income per consumption unit in the intercommunality. Getting around on foot or by bus is easy (A): 92% of residents live within 800 m of a bakery, and 23% of working residents walk, cycle or take public transport to work. All told, that adds up to a D− overall, better than 3% of compared French towns. The ranking puts it #98 of 104 in Seine-et-Marne. School results trail most towns: bac results 2.9 points below the expected rate; brevet results 6.3 points below the expected rate.
Figures: amenities, INSEE BPE 2025 · commuting, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · brevet and bac results, Ministry of Education.
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 Saint-Mard 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 Saint-Mard.
HousingCost of living D−
Median price in Saint-Mard: €3,246/m²
€3,246/m²median sale price
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
Advertised rents are estimated at €16.93/m² a month, near Seine-et-Marne’s towns (€16.75/m²) and higher than compared French towns (€12.41/m²). Between July 2023 and June 2026, buyers took 132 homes in Saint-Mard. Houses were 79% of what sold.
Median sale price per m² · Jul 2023 to Jun 2026
Saint-Mard€3,246/m²
Median of towns€2,430/m²
Seine-et-Marne median€3,093/m²
By type
Median per m²
Sales
Houses
€3,264/m²
104
€16.93/m²
estimated advertised apartment rent a month, charges included (€14.39 to €19.92/m² a month)
10.1
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€14.12/m²
estimated advertised house rent a month, charges included
€22,440
median annual income per consumption unit, Communauté d'agglomération Roissy Pays de France
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Schools
Schools around Saint-Mard do less well than those of 89% of compared French towns
93%passed the bac (general and technological)DSchool Grade
Primary schools aren’t graded: France doesn’t publish their results by school.
The brevet pass rate near Saint-Mard is 83.3%, near Seine-et-Marne’s towns (84.0%) and lower than compared French towns (87.5%). Vocational results within 5 km: 80% passed the bac pro, of 100 candidates at 2 lycées. For exam results, it comes #83 of 114 in Seine-et-Marne.
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Work & commuteJobs & income B
For walkability, Saint-Mard ranks above 89% of compared French towns
23%walk, cycle or take transit
The census found nearly a quarter of commuters going to work on foot, by bike or by public transport. The median disposable income was €29,740 a year per consumption unit, higher than both Seine-et-Marne’s towns (€28,310) and compared French towns (€25,970). Jobs located in Saint-Mard: 1,050, for 1,750 residents in work (0.6 each).
How working residents got to work · census 2023
Driving74%
Public transport19%
On foot4%
Motorbike or scooter1%
Bicycle0%
1,050
jobs based in Saint-Mard, 0.6 per working resident
9.9%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€29,740
median annual income per consumption unit, 2023 · median of compared French towns €25,970
2%
worked without traveling (at or from home)
A
Walkability: better than 89% 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 Saint-Mard are 65 or over: 14%, below Seine-et-Marne’s towns and compared French towns
38.8median age
The share aged 15 to 24 is 14%. 20% are under 15, about level with Seine-et-Marne’s towns (20%) and above compared French towns (17%). Among adults, 26% have a degree.
Saint-MardSeine-et-Marne medianFrance median
Ages · share of residents
14%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma18%
CAP or BEP28%
Baccalauréat22%
Higher education26%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About 96 men for every 100 women. Median share of women: Seine-et-Marne 51.4%, France 51.8%.
INSEE, census 2023 · Seine-et-Marne median and France median: the median of compared communes
Safety
For crime per resident, Saint-Mard sits above 85% of compared French towns
11.4recorded violent incidents per 1,000 residents a yearC−Safety Grade
Violence against people averaged 11.4 per 1,000 residents a year over 2023–2025; graded property crimes averaged 20.6. 121 offenses were reported in Saint-Mard during 2025. Also worth knowing: the commonest graded crime here was criminal damage (2025).
Recorded by type · 2025
Criminal damage28
Theft from vehicles26
Other physical violence22
Family violence12
Burglary12
Vehicle theft12
Sexual violence9
Theft without violence30
Fraud23
Drug use14
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.
11.4
recorded violent incidents per 1,000 residents a year, 2023–2025 average
20.6
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
121
offenses recorded in the graded categories in 2025
1.0%
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 armed robbery, 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, 1.0% of the index here. The count covers the offense categories the Safety Grade uses.
HealthHealth C−
Adjusted for age and care homes, Saint-Mard sees more deaths than four in five compared French towns
+1%deaths against expected, after care homesC−Health Grade
Care access and life expectancy are shown for context, not graded.
Average lifespans in Seine-et-Marne: 85.4 years for women, 81 for men (2025), against 85.9 and 80.3 nationally. Adjusted mortality in Saint-Mard: 101 deaths for every 100 expected. 199 deaths here between 2016 and 2025, where France’s rates at each age predict 196: 1% above. The nearest emergency department to Saint-Mard is Hopital Prive du Vert Galant, 8.8 mi away.
Deaths per 100 expected · 2016–2025
Raw101
Adjusted101
Median town88
Expected100
3
GPs in Saint-Mard · 2.6 GP consultations a year per resident within reach (APL)
8.8 mi
to the nearest emergency department, Hopital Prive du Vert Galant
8.9 mi
to the nearest maternity unit, Centre hospitalier Intercommunal Robert Ballanger
85.4 · 81
years of life expectancy at birth, women · men, Seine-et-Marne, 2025 (provisional) · France 85.9 · 80.3
Saint-Mard is a commune of 3,832 people in the Communauté d'agglomération Roissy Pays de France. 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
Population
3,832 (INSEE, census 2023)
Intercommunality
Communauté d'agglomération Roissy Pays de France
Département
Seine-et-Marne (77)
Région
Île-de-France
Area
2.4 sq mi (6.3 km²)
INSEE code
77420
Saint-Mard’s neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
People: INSEE, census 2023. Miles: center to center.
Questions about Saint-Mard
Is Saint-Mard safe?
It grades C− for safety, #92 of 104 in Seine-et-Marne. In 2025 police and gendarmerie recorded 12 burglaries and 28 acts of criminal damage.
Are schools in Saint-Mard good?
They grade D, better than 11% of compared French towns and #83 of 114 in Seine-et-Marne. 92% of 285 candidates passed the bac at Lycée polyvalent Charles de Gaulle in 2025, 3 points below the expected rate given its pupils’ backgrounds. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Saint-Mard expensive to live in?
Incomes are higher than in most compared French towns, so Saint-Mard grades D− for cost of living.
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.