Each edition grades its towns against each other only.
Home to 2,605 people, this town lies in Loire-Atlantique, Pays de la Loire.
Casson’s strongest subject is health — after allowing for care homes, deaths from 2016 to 2025 were 29% below expected, against 12% below for the median of compared French towns. Walkability is its weak spot (C): 62% of residents live within 800 m of a bakery, and 7% of working residents walk, cycle or take public transport to work. At the median price of €2,782/m², a 70 m² home costs 6.7 times the median annual income per consumption unit in the Communauté de communes d'Erdre et Gesvres. Just just over one in ten residents are 65 or older.
Figures: deaths, INSEE (by commune of residence, 2016–2025) · amenities, INSEE BPE 2025 · commuting, INSEE census 2023 · prices, DVF · income per consumption unit (an income adjusted for household size), INSEE Filosofi. Casson has no overall grade because safety and schools aren’t graded here.
Hazard risk isn’t graded in France yet: national flood maps cover only some areas.
Each subject compares Casson 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.
Casson has no overall grade because safety and schools aren’t graded here.
How TownRatings grades French towns →
The 3 things Casson does most differently from other towns.
The Culture ministry lists 1 historic monument in Casson: 1 classé (France’s highest heritage protection) and 0 inscrit (the second level).
The oldest protected part dates from the 18th century; the first monument here was protected in 1989.
12% of its homes were built before 1919, against 7.4% in the median compared French town.
Casson has one historic monument; beside it, the nearest classé monuments in other towns, within 15.5 mi.
Château du Plessis: Photo: Pymouss · CC BY-SA 3.0
Data highlights are ordered by what stands out in Casson.
42% of adults hold a degree, above both Loire-Atlantique’s towns (34%) and compared French towns (30%). People 65 and over make up 11% of the town. Aged 15 to 24: just over one in ten residents.
49% women, 51% men
About an even split. Median share of women: Loire-Atlantique 51.0%, France 51.8%.
| Casson | Loire-Atlantique median | France median | |
|---|---|---|---|
| Under 15 | 23% | 19% | 17% |
| 15–24 | 12% | 11% | 11% |
| 25–44 | 27% | 24% | 23% |
| 45–64 | 28% | 26% | 26% |
| 65+ | 11% | 19% | 22% |
| No diploma | 8.6% | 14% | 19% |
| CAP or BEP | 25% | 28% | 26% |
| Baccalauréat | 20% | 19% | 18% |
| Higher education | 42% | 34% | 30% |
INSEE, census 2023 · Loire-Atlantique median and France median: the median of compared communes
Care access and life expectancy are shown for context, not graded.
From 2016 to 2025, 73 residents of Casson died, against 103 expected from France’s death rates at each age: 29% fewer. Women in Loire-Atlantique live to 86.2 on average and men to 80.3 (2025), against 85.9 and 80.3 across France. 5 GPs practise locally. The nearest emergency department to Casson is Chu de Nantes site Hotel Dieu Hopital Mere Enfant, 12.2 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 · Allowing for care homes is a TownRatings estimate, not a published statistic. A less sure grade: it could be anywhere from B to A+.
6.6% of commuters walked, cycled or took the bus or train at the census, below Loire-Atlantique’s towns (10.3%) and compared French towns (13.4%) alike. Jobs based in Casson number 250, against 1,350 residents in work (0.2 per worker). Per consumption unit, the median disposable income is €28,050 a year.
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
France has no History Grade yet: this card describes, it doesn’t grade.
Among the classé monuments in Casson is Château du Plessis. The earliest of these monuments dates from the 18th century. 12% of its homes were built before 1919, against 7.4% in the median compared French town.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
60 sales of houses and apartments in Casson, from July 2023 to June 2026, give the median of €2,782/m². The sales split: 98% houses, the rest apartments. House rents are put at about €9.83/m² a month.
| By type | Median per m² | Sales |
|---|---|---|
| Houses | €2,917/m² | 59 |
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
Heritage in and near Casson. Best known first.
ChâteauChâteau du Chalonge2.7 km northwest, in HéricChâteauChâteauChâteau de la Pervenchèrein townChâteauChâteauChâteau de Chavagne2.8 km southeast, in Sucé-sur-ErdreChâteauChâteauChâteau Grand'Cour4.6 km southwest, in Grandchamp-des-FontainesPhotos from Wikimedia Commons, each under its own licence (our copy, resized).
Wikidata has nobody with a French article born in Casson yet.
Commune in Loire-Atlantique, Pays de la Loire
Casson is a commune of 2,605 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
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 |
|---|---|---|---|---|---|---|
| Casson | 2,605 | — | — | C+ | — | A |
| Grandchamp-des-Fontaines | 7,062 | 3.1 | A+ | C+ | A | A− |
| Sucé-sur-Erdre | 7,539 | 3.4 | A | C− | A+ | A− |
| Nort-sur-Erdre | 9,570 | 4.2 | A− | B− | B− | B− |
| Petit-Mars | 3,888 | 4.8 | — | C+ | — | A |
| Héric | 6,585 | 4.8 | B+ | B | B+ | B− |
| Treillières | 10,600 | 5.7 | A | C | A− | A− |
People: INSEE, census 2023. Miles: center to center.
Casson has no Safety Grade: over a quarter of its index would rest on the département’s average. Recorded figures: an average of 4.4 recorded violent incidents and 8.7 recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025. In 2025 police and gendarmerie recorded 8 burglaries and 5 acts of criminal damage.
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €2,782/m², against €2,430/m² for the median of compared French towns. Estimated advertised apartment rents are €12.20/m² a month, charges included. Incomes are higher than in most compared French towns, so Casson grades C+ for cost of living.
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.