A solid town with one catch. Jobs and pay hold up well: 0.7 jobs per working resident; 4.9% unemployment. Taken together, its subjects give Treillières an A overall, better than 93% of compared French towns. Its place in the ranking is #10 of 93 in Loire-Atlantique. Homes are dear (C): at the median price, a 70 m² home costs 7.5 times the median annual income per consumption unit in the intercommunality.
Figures: employment, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi.
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 Treillières 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 Treillières.
HealthHealth A−
Fewer deaths than Treillières’ ages would predict, 74 per 100 expected, under Loire-Atlantique’s towns and compared French towns
−26%deaths against expected, after care homesA−Health Grade
Care access and life expectancy are shown for context, not graded.
Women in Loire-Atlantique live to 86.2 on average and men to 80.3 (2025), against 85.9 and 80.3 across France. From 2016 to 2025, 536 residents of Treillières died, against 651 expected from France’s death rates at each age: 18% fewer. The nearest emergency department to Treillières is Chu de Nantes site Hotel Dieu Hopital Mere Enfant, 8.1 mi away. For a family doctor, residents of Treillières can choose among 7 GPs.
Deaths per 100 expected · 2016–2025
Raw82
Adjusted74
Median town88
Expected100
7
GPs in Treillières · 3 GP consultations a year per resident within reach (APL)
8.1 mi
to the nearest emergency department, Chu de Nantes site Hotel Dieu Hopital Mere Enfant
6.4 mi
to the nearest maternity unit, Sante Atlantique
86.2 · 80.3
years of life expectancy at birth, women · men, Loire-Atlantique, 2025 (provisional) · France 85.9 · 80.3
Treillières is a graduates’ town: 51% hold a degree, more than in both Loire-Atlantique’s towns and compared French towns
40.3median age
9.9% of residents are 15 to 24, lower than both Loire-Atlantique’s towns (11%) and compared French towns (11%). One measure of family life: 23% of residents are under 15. Retirement age and beyond: 15% of residents are 65 or older.
TreillièresLoire-Atlantique medianFrance median
Ages · share of residents
10%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma9%
CAP or BEP20%
Baccalauréat17%
Higher education51%
Women and men · all residents
50% women, 50% men
WomenFrance medianMen
About an even split. Median share of women: Loire-Atlantique 51.0%, France 51.8%.
INSEE, census 2023 · Loire-Atlantique median and France median: the median of compared communes
Safety
Treillières records less crime per resident than 79% of compared French towns
4.9recorded violent incidents per 1,000 residents a yearA−Safety Grade
The police record for Treillières lists 172 offenses in 2025. Per 1,000 residents a year, there were 4.9 cases of violence against people and 10.8 graded property crimes (2023–2025 average). The graded crime recorded most locally was burglary (2025).
Recorded by type · 2025
Burglary48
Theft from vehicles30
Sexual violence24
Criminal damage24
Vehicle theft18
Family violence15
Other physical violence13
Fraud61
Theft without violence35
Drug use5
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.
4.9
recorded violent incidents per 1,000 residents a year, 2023–2025 average
10.8
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
172
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, 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, 1.0% of the index here. The count covers the offense categories the Safety Grade uses.
Schools
93.4% of candidates passed the brevet at the three collèges within 5 km, 0.8 points below the expected rate
93.4%passed the brevetB+School Grade
Primary schools aren’t graded: France doesn’t publish their results by school.
On results, collèges and lycées here come #34 of 83 in Loire-Atlantique. For the general bac, the closest lycée is 4.7 mi away.
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
HousingCost of living C
Buying in Treillières costs more than in both Loire-Atlantique’s towns and compared French towns: the median sale is €3,111/m²
€3,111/m²median sale price
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
A house in Treillières goes for €3,085/m², an apartment for €3,235/m². Houses accounted for 88% of sales, apartments for the rest. Estimated advertised rent for houses: €12.19/m² a month.
Median sale price per m² · Jul 2023 to Jun 2026
Treillières€3,111/m²
Median of towns€2,430/m²
Loire-Atlantique median€2,844/m²
By type
Median per m²
Sales
Houses
€3,085/m²
236
Apartments
€3,235/m²
31
€12.86/m²
estimated advertised apartment rent a month, charges included (€10.82 to €15.30/m² a month)
7.5
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€12.19/m²
estimated advertised house rent a month, charges included
€28,930
median annual income per consumption unit, Communauté de communes d'Erdre et Gesvres
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Work & commuteJobs & income A+
Treillières has lower unemployment than Loire-Atlantique’s towns or compared French towns: 4.9%
10%walk, cycle or take transit
Half of residents lived on more than €31,030 a year per consumption unit, above both Loire-Atlantique’s towns (€27,630) and compared French towns (€25,970). Bus, tram or train carried 6.3% of working residents in Treillières to work at the census. At the census, 4.0% of working residents in Treillières didn’t travel to work at all.
How working residents got to work · census 2023
Driving84%
Public transport6%
Bicycle2%
On foot1%
Motorbike or scooter1%
3,500
jobs based in Treillières, 0.7 per working resident
4.9%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€31,030
median annual income per consumption unit, 2023 · median of compared French towns €25,970
4%
worked without traveling (at or from home)
C+
Walkability: better than 42% of compared French towns
Treillières is a commune of 10,600 people in the Communauté de communes d'Erdre et Gesvres. 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
10,600 (INSEE, census 2023)
Intercommunality
Communauté de communes d'Erdre et Gesvres
Département
Loire-Atlantique (44)
Région
Pays de la Loire
Area
11.2 sq mi (29.1 km²)
INSEE code
44209
Treillières’ 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 Treillières
Is Treillières safe?
It grades A− for safety, #21 of 93 in Loire-Atlantique. In 2025 police and gendarmerie recorded 48 burglaries and 24 acts of criminal damage.
Are schools in Treillières good?
They grade B+, better than 74% of compared French towns and #34 of 83 in Loire-Atlantique. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Treillières expensive to live in?
Estimated advertised apartment rents are €12.86/m² a month, charges included. Incomes are higher than in most compared French towns, so Treillières grades C 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.