Each edition grades its towns against each other only.
A town in Ille-et-Vilaine, Brittany, home to 8,649 people.
Janzé’s overall grade, A−, puts it better than 85% of compared French towns. Its place in the ranking is #39 of 75 in Ille-et-Vilaine. Schools do well: brevet results 1.8 points above the expected rate. The trade-off is cost of living — at the median price, a 70 m² home costs 6.6 times the median annual income per consumption unit in the intercommunality. Its remaining grades are unremarkable: B− for safety and B for walkability.
Figures: brevet and bac results, Ministry of Education · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi · recorded crime, SSMSI (Ministry of the Interior) · amenities, INSEE BPE 2025 · commuting, INSEE census 2023.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas. The overall grade uses the other six subjects.
The one thing Janzé does most differently from other towns.
Each subject compares Janzé 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.
How TownRatings grades French towns →
Janzé has 3 historic monuments on the Culture ministry’s list: 2 classé, the highest protection, and 1 inscrit, the second level.
The oldest protected part dates from prehistory; the first monument here was protected in 1963.
Data highlights are ordered by what stands out in Janzé.
Primary schools aren’t graded: France doesn’t publish their results by school.
There is no general lycée within 5 km; one lies 11.1 mi away. School results put the town #12 of 80 in Ille-et-Vilaine.
| School | Level | Candidates | Passed, 2025 |
|---|---|---|---|
| Collège Jean MonnetNearest collègeCollège | Collège | 119 | 92%−1 pt |
| Collège Saint-Joseph PrivateBest against expectations: 4 points above the expected rateCollège | Collège | 153 | 98%+4 pts |
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Care access and life expectancy are shown for context, not graded.
For a family doctor, residents of Janzé can choose among 13 GPs. Its care home for older people (149 places) counts its residents as Janzé’s; allowing for it, deaths were 17% below expected. France’s death rates at each age would predict 885 deaths locally from 2016 to 2025; there were 853, 4% fewer. The nearest emergency department to Janzé is Chru de Rennes site Hopital Sud, 11.2 mi away.
Source: INSEE, deaths by commune of residence 2016–2025 and censuses; Eurostat, death rates by age (© European Union); INSEE, BPE 2025; DREES, APL 2024; INSEE, life expectancy by département 2025 · Licence Ouverte · Note: TownRatings models the care-home adjustment; it is not an official figure.
Jobs based in Janzé number 3,350, against 3,900 residents in work (0.9 per worker). At the census, 10.3% went to work on foot, by bike or by public transport, below both Ille-et-Vilaine’s towns (12.9%) and compared French towns (13.4%). Households’ median disposable income: €26,190 a year per consumption unit.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
In Janzé, houses go for €2,397/m² and apartments for €2,502/m². 287 houses and apartments changed hands in the town from July 2023 to June 2026. Houses made up 64% of the homes sold; apartments the rest.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €2,397/m² | 185 |
| Apartments | €2,502/m² | 102 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
France has no History Grade yet: this card describes, it doesn’t grade.
Protection here reaches back to prehistory. Among the classé monuments in Janzé is Menhir dit de La Pierre des Fées. This Ille-et-Vilaine town has 3 historic monuments on the Culture ministry’s list: 2 classé, the highest protection, and 1 inscrit, the second level. 9.7% of its homes were built before 1919, higher than both Ille-et-Vilaine’s towns (7.2%) and compared French towns (7.4%).
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
30% of adults hold a degree. The 65-and-over age group makes up just over a fifth of residents. The age that splits Janzé in two is 42.9.
51% women, 49% men
About 95 men for every 100 women. Median share of women: Ille-et-Vilaine 51.2%, France 51.8%.
| Janzé | Ille-et-Vilaine median | France median | |
|---|---|---|---|
| Under 15 | 18% | 18% | 17% |
| 15–24 | 13% | 11% | 11% |
| 25–44 | 22% | 24% | 23% |
| 45–64 | 27% | 26% | 26% |
| 65+ | 21% | 19% | 22% |
| No diploma | 20% | 14% | 19% |
| CAP or BEP | 27% | 23% | 26% |
| Baccalauréat | 19% | 18% | 18% |
| Higher education | 30% | 39% | 30% |
INSEE, census 2023 · Ille-et-Vilaine median and France median: the median of compared communes
More of the graded crimes in Janzé were criminal damage than anything else (2025). Each year (2023–2025 average), violence against people came to 7.2 per 1,000 residents and the graded property crimes to 14.3. Recorded offenses locally came to 195 in 2025.
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.
Source: SSMSI (Interior Ministry), recorded crime by commune, 2023–2025 · Licence Ouverte · When armed robbery number five or fewer in a recent year, the figure is withheld, and the index uses the département’s average instead (0.3% of the index here). The count covers the offense categories the Safety Grade uses.
Heritage, family days out and other places to visit in and near Janzé. Best known first.
Janzé has 3 historic monuments on the Culture ministry’s list: 2 classé, the highest protection, and 1 inscrit, the second level.
Menhir dit de La Pierre des Fées: Photo: Pymouss · CC BY-SA 3.0 · Église Saint-Martin: Photo: François GOGLINS · CC BY-SA 3.0
4 notable people were born in Janzé.
Jean Jouzel: G.Garitan, CC BY-SA 4.0 · Hervé Gauthier: Panini, Public domain
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
| Town | People | Miles | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Janzé | 8,649 | — | A− | C+ | B− | B+ |
| Corps-Nuds | 3,567 | 4 | A | C+ | A | A− |
| Piré-Chancé | 3,224 | 5.2 | — | B | — | A− |
| Nouvoitou | 3,911 | 5.9 | A+ | C+ | A+ | A |
| Bourgbarré | 4,804 | 5.9 | A+ | C+ | A | A+ |
| Châteaugiron | 10,845 | 6.2 | A+ | C+ | A− | A− |
| Retiers | 4,566 | 6.9 | A | B | A | A− |
People: INSEE, census 2023. Miles: center to center.
It grades B− for safety, #53 of 75 in Ille-et-Vilaine. In 2025 police and gendarmerie recorded 28 burglaries and 71 acts of criminal damage.
They grade A, better than 89% of compared French towns and #12 of 80 in Ille-et-Vilaine. Primary schools aren’t graded: France doesn’t publish their results by school.
Estimated advertised apartment rents are €11.48/m² a month, charges included. Incomes are higher than in most compared French towns, so Janzé grades C+ for cost of living.
Commune in Ille-et-Vilaine, Brittany
Janzé is a commune of 8,649 people in the Communauté de communes Roche aux Fées Communauté. 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
Sources: INSEE, census 2023 (population, employment, commuting) · INSEE, Filosofi 2023 (income per consumption unit, poverty) · DGFiP, DVF property sales, July 2023 to June 2026 · Housing Ministry, Carte des loyers 2025 · SSMSI, recorded crime by commune, 2023–2025 · Ministry of Education (DEPP), brevet and bac results and value-added indicators, 2025 · INSEE, deaths by commune of residence 2016–2025 and censuses 2012–2023; Eurostat, death rates by age (© European Union); INSEE, BPE 2025 (care homes, emergency and maternity units, GPs, pharmacies); DREES, APL 2024; INSEE, life expectancy by département 2025 (provisional) · INSEE, BPE 2025 and Filosofi 200 m grid (walking distances) · IGN Admin Express (boundaries) · TownRatings grades: our own summary of the data, ranking French towns against each other only, updated November 4, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
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.
