Strong in places, weak in others. The weak point is schools: brevet results 6 points below the expected rate. With a C− overall, Saint-Cast-le-Guildo is better than 21% of compared French towns. Homes sell for a median €4,357/m²: 70 m² comes to 11.7 years of the median income per consumption unit in the Communauté d'agglomération Dinan Agglomération. Where it does best is jobs & income — 1.1 jobs per working resident; 9.4% unemployment. Its remaining grades are unremarkable: B− for safety, B− for health and C+ for walkability.
Figures: employment and commuting, INSEE census 2023 · 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) · deaths, INSEE (by commune of residence, 2016–2025) · amenities, INSEE BPE 2025.
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-Cast-le-Guildo 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-Cast-le-Guildo.
Who lives here
Saint-Cast-le-Guildo skews older, with 50% of residents 65 or over, more than Côtes-d'Armor’s towns or compared French towns
Children under 15 make up 7.5%, lower than both Côtes-d'Armor’s towns (15%) and compared French towns (17%). Those aged 15 to 24 account for 4.8% of residents. Graduates make up 34% of adults.
64.9median age
Saint-Cast-le-GuildoCôtes-d'Armor medianFrance median
Ages · share of residents
50%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma17%
CAP or BEP24%
Baccalauréat18%
Higher education34%
Women and men · all residents
54% women, 46% men
WomenFrance medianMen
About 86 men for every 100 women. Median share of women: Côtes-d'Armor 52.9%, France 51.8%. Women live longer than men, so towns with many older residents have more women.
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
HousingCost of living C−
Saint-Cast-le-Guildo’s grade for cost of living: a C−
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
No town in Côtes-d'Armor costs more to buy into than Saint-Cast-le-Guildo, at €4,357/m², the highest of 61. The median price, €4,357/m², comes from 322 sales of houses and apartments here from July 2023 to June 2026. In Saint-Cast-le-Guildo, houses go for €4,047/m² and apartments for €4,782/m².
€4,357/m²median sale price
Median sale price per m² · Jul 2023 to Jun 2026
Saint-Cast-le-Guildo€4,357/m²
Median of towns€2,430/m²
Côtes-d'Armor median€2,254/m²
By type
Median per m²
Sales
Houses
€4,047/m²
192
Apartments
€4,782/m²
130
€12.48/m²
estimated advertised apartment rent a month, charges included (€9.84 to €15.82/m² a month)
11.7
times the median annual income per consumption unit in the intercommunality, for 70 m² at the median price
€8.61/m²
estimated advertised house rent a month, charges included
€25,990
median annual income per consumption unit, Communauté d'agglomération Dinan Agglomération
Source: DGFiP, DVF property sales (Etalab geolocated); Housing Ministry, Carte des loyers 2025; INSEE, Filosofi 2023 · Licence Ouverte
History
1 historic monument in Saint-Cast-le-Guildo, the oldest from Antiquity
France has no History Grade yet: this card describes, it doesn’t grade.
Among the classé monuments in Saint-Cast-le-Guildo is Ruines romaines. The protected list starts in Antiquity. Homes built before 1919 account for 12% of the housing.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commuteJobs & income A−
Incomes in Saint-Cast-le-Guildo run higher than in Côtes-d'Armor’s towns or compared French towns: a median €29,230 a year per consumption unit
At the census, 9.2% of working residents in Saint-Cast-le-Guildo didn’t travel to work at all. Bus, tram or train carried 2.9% of working residents in Saint-Cast-le-Guildo to work at the census. Unemployment stands at 9.4%.
10%walk, cycle or take transit
How working residents got to work · census 2023
Driving78%
On foot5%
Public transport3%
Motorbike or scooter2%
Bicycle2%
1,050
jobs based in Saint-Cast-le-Guildo, 1.1 per working resident
9.4%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€29,230
median annual income per consumption unit, 2023 · median of compared French towns €25,970
9%
worked without traveling (at or from home)
C+
Walkability: better than 43% of compared French towns
Source: INSEE, census 2023 (commuting, employment, jobs at place of work); INSEE, Filosofi 2023 · Licence Ouverte
Safety
Saint-Cast-le-Guildo has more crime per resident than 52% of compared French towns
Among the graded crimes in Saint-Cast-le-Guildo, the most frequent was burglary (2025). In all, 72 offenses reached the police record here in 2025. The yearly rates for 2023–2025: 5.4 violent offenses and 16.3 graded property crimes per 1,000 residents.
5.4recorded violent incidents per 1,000 residents a yearB−Safety Grade
Recorded by type · 2025
Burglary29
Family violence19
Criminal damage18
Sexual violence6
Armed robbery0
Fraud38
Theft without violence34
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.
5.4
recorded violent incidents per 1,000 residents a year, 2023–2025 average
16.3
recorded burglaries, vehicle thefts, thefts from vehicles and acts of criminal damage per 1,000 residents a year, 2023–2025 average
72
offenses recorded in the graded categories in 2025
7.4%
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 other physical violence, vehicle theft and theft from vehicles, 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, 7.4% of the index here. The count covers the offense categories the Safety Grade uses.
HealthHealth B−
Saint-Cast-le-Guildo has a higher adjusted death rate than 51% of compared French towns
Care access and life expectancy are shown for context, not graded.
At birth, a girl in Côtes-d'Armor can expect 84.8 years and a boy 78.5 (2025); across France, 85.9 and 80.3. From 2016 to 2025, 645 residents of Saint-Cast-le-Guildo died, against 686 expected from France’s death rates at each age: 6% fewer. Its care home for older people (48 places) counts its residents as Saint-Cast-le-Guildo’s; allowing for it, deaths were 12% below expected. The nearest emergency department to Saint-Cast-le-Guildo is Ghre site Saint Malo Broussais, 11.2 mi away.
−12%deaths against expected, after care homesB−Health Grade
Deaths per 100 expected · 2016–2025
Raw94
Adjusted88
Median town88
Expected100
2
GPs in Saint-Cast-le-Guildo · 2.6 GP consultations a year per resident within reach (APL)
11.2 mi
to the nearest emergency department, Ghre site Saint Malo Broussais
11.2 mi
to the nearest maternity unit, Ghre site Saint Malo Broussais
84.8 · 78.5
years of life expectancy at birth, women · men, Côtes-d'Armor, 2025 (provisional) · France 85.9 · 80.3
People: INSEE, census 2023. Miles: center to center.
Questions about Saint-Cast-le-Guildo
Is Saint-Cast-le-Guildo safe?
It grades B− for safety, #32 of 45 in Côtes-d'Armor. In 2025 police and gendarmerie recorded 29 burglaries and 18 acts of criminal damage.
Are schools in Saint-Cast-le-Guildo good?
They grade D−, better than 2% of compared French towns. Primary schools aren’t graded: France doesn’t publish their results by school.
Is Saint-Cast-le-Guildo expensive to live in?
Homes cost more than in most compared French towns: the median sale price from July 2023 to June 2026 was €4,357/m², against €2,430/m² for the median of compared French towns. Estimated advertised apartment rents are €12.48/m² a month, charges included. Incomes are higher than in most compared French towns, so Saint-Cast-le-Guildo grades C− for cost of living.
About Saint-Cast-le-Guildo
Commune in Côtes-d'Armor, Brittany
Saint-Cast-le-Guildo is a commune of 3,371 people in the Communauté d'agglomération Dinan Agglomération. 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.