Walkability is its strong suit — 92% of residents live within 800 m of a bakery, and 19% of working residents walk, cycle or take public transport to work. Schools are its weak spot (C−): bac results 2 points above the expected rate; brevet results 7.3 points below the expected rate. It lags on cost of living as well: at the median price, a 70 m² home costs 6.4 times the median annual income per consumption unit in the intercommunality. Its other grades sit near the middle: B− for health and B for jobs & income.
Figures: amenities, INSEE BPE 2025 · commuting and employment, INSEE census 2023 · brevet and bac results, Ministry of Education · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · deaths, INSEE (by commune of residence, 2016–2025). Saint-Martin-du-Tertre has no overall grade because safety isn’t graded here.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
Each subject compares Saint-Martin-du-Tertre 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-Martin-du-Tertre.
Work & commuteJobs & income B
18.9% of commuters in Saint-Martin-du-Tertre walk, cycle or ride, against 38.0% in Val-d'Oise’s towns and 13.4% in compared French towns
Unemployment stood at 7.8%, lower than both Val-d'Oise’s towns (9.9%) and compared French towns (10.1%). Jobs located in Saint-Martin-du-Tertre: 400, for 1,200 residents in work (0.4 each). Per consumption unit, the median disposable income is €28,980 a year.
19%walk, cycle or take transit
How working residents got to work · census 2023
Driving77%
Public transport16%
On foot3%
Motorbike or scooter1%
Bicycle0%
400
jobs based in Saint-Martin-du-Tertre, 0.4 per working resident
7.8%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€28,980
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 87% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Schools
Fewer pass the bac at the lycées near Saint-Martin-du-Tertre than in Val-d'Oise’s towns or compared French towns: 73.0%
Primary schools aren’t graded: France doesn’t publish their results by school.
The brevet pass rate near Saint-Martin-du-Tertre is 85.0%, higher than Val-d'Oise’s towns (82.7%) yet lower than compared French towns (87.5%). There is no general lycée within 5 km; one lies 3.6 mi away. For collège, the closest is 1.7 mi away.
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Who lives here
A town of families: 23% of people in Saint-Martin-du-Tertre are under 15, more than in Val-d'Oise’s towns and across compared French towns
30% of adults hold a degree. People 65 and over make up 16% of the town, about level with Val-d'Oise’s towns (15%) and below compared French towns (22%). Aged 15 to 24: just over one in ten residents.
38.8median age
Saint-Martin-du-TertreVal-d'Oise medianFrance median
Ages · share of residents
12%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma15%
CAP or BEP27%
Baccalauréat22%
Higher education30%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About an even split. Median share of women: Val-d'Oise 51.5%, France 51.8%.
INSEE, census 2023 · Val-d'Oise median and France median: the median of compared communes
HousingCost of living C
Renting in Saint-Martin-du-Tertre costs an estimated advertised €16.36/m² a month, against €18.09/m² in Val-d'Oise’s towns and €12.41/m² in compared French towns
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
The median price, €2,868/m², comes from 93 sales of houses and apartments in Saint-Martin-du-Tertre from July 2023 to June 2026. House rents are put at about €17.08/m² a month. Houses accounted for 95% of sales, apartments for the rest.
€2,868/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Saint-Martin-du-Tertre€2,868/m²
Median of towns€2,430/m²
Val-d'Oise median€3,266/m²
By type
Median per m²
Sales
Houses
€2,862/m²
88
€16.36/m²
estimated advertised apartment rent a month, charges included (€13.59 to €19.69/m² a month)
6.4
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€17.08/m²
estimated advertised house rent a month, charges included
€31,540
median annual income per consumption unit, Communauté de communes Carnelle Pays-de-France
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
History
Saint-Martin-du-Tertre keeps more of its old housing than Val-d'Oise’s towns or compared French towns: 11% built before 1919
France has no History Grade yet: this card describes, it doesn’t grade.
The protected list starts in prehistory. Among the classé monuments in Saint-Martin-du-Tertre is Dolmen dit Pierre Turquaise. This Val-d'Oise 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
HealthHealth B−
Allowing for age and care homes, deaths in Saint-Martin-du-Tertre run higher than in 51% of compared French towns
Care access and life expectancy are shown for context, not graded.
Saint-Martin-du-Tertre has one family doctor. Life expectancy at birth in Val-d'Oise is 85.9 years for women and 81.1 for men (2025), against 85.9 and 80.3 across France. From 2016 to 2025, 183 residents of Saint-Martin-du-Tertre died, against 207 expected from France’s death rates at each age: 12% fewer.
−12%deaths against expected, after care homesB−Health Grade
Deaths per 100 expected · 2016–2025
Raw88
Adjusted88
Median town88
Expected100
1
GPs in Saint-Martin-du-Tertre · 1.5 GP consultations a year per resident within reach (APL)
3.7 mi
to the nearest emergency department, Hopital Novo site Beaumont Ex Carnelle Porte de L Oise
3.7 mi
to the nearest maternity unit, Hopital Novo site Beaumont Ex Carnelle Porte de L Oise
85.9 · 81.1
years of life expectancy at birth, women · men, Val-d'Oise, 2025 (provisional) · France 85.9 · 80.3
People: INSEE, census 2023. Miles: center to center.
Questions about Saint-Martin-du-Tertre
Is Saint-Martin-du-Tertre safe?
Saint-Martin-du-Tertre has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 5.5 recorded violent incidents and 7.6 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025.
Are schools in Saint-Martin-du-Tertre good?
They grade C−, better than 16% of compared French towns and #18 of 76 in Val-d'Oise. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Saint-Martin-du-Tertre expensive to live in?
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €2,868/m², against €2,430/m² for the median of compared French towns. Incomes are higher than in most compared French towns, so Saint-Martin-du-Tertre grades C for cost of living.
About Saint-Martin-du-Tertre
Commune in Val-d'Oise, Île-de-France
Saint-Martin-du-Tertre is a commune of 2,689 people in the Communauté de communes Carnelle 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
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.
