Menhir dit La Roche Longue: Photo: GO69 · CC BY-SA 3.0
The data
Data highlights are ordered by what stands out in Saint-Marcan.
Who lives here
Fewer children live in Saint-Marcan than in Ille-et-Vilaine’s towns or compared French towns: 11% are under 15
50.3median age
Among adults, 28% have a degree. People aged 15 to 24 make up 13% of the town, above Ille-et-Vilaine’s towns (11%) and compared French towns (11%) alike. Those 65 and older account for 28% of residents.
Saint-MarcanIlle-et-Vilaine medianFrance median
Ages · share of residents
28%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma23%
CAP or BEP25%
Baccalauréat20%
Higher education28%
Women and men · all residents
52% women, 48% men
WomenFrance medianMen
About 92 men for every 100 women. Median share of women: Ille-et-Vilaine 51.2%, France 51.8%.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commute
Money is tighter in Saint-Marcan than in Ille-et-Vilaine’s towns or compared French towns: the median disposable income is €23,800 a year per consumption unit
6%walk, cycle or take transit
Jobs based in Saint-Marcan number 50, against 150 residents in work (0.3 per worker). Of those in the labour force, 11.9% are unemployed. Also worth knowing: at the census, 5.7% went to work on foot, by bike or by public transport, below Ille-et-Vilaine’s towns (12.9%) and compared French towns (13.4%) alike.
How working residents got to work · census 2023
Driving88%
On foot4%
Motorbike or scooter1%
Public transport1%
Bicycle1%
50
jobs based in Saint-Marcan, 0.3 per working resident
11.9%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€23,800
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Saint-Marcan is a commune of 431 people in the Communauté de communes du Pays de Dol et de la Baie du Mont Saint-Michel. 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
431 (INSEE, census 2023)
Intercommunality
Communauté de communes du Pays de Dol et de la Baie du Mont Saint-Michel
Département
Ille-et-Vilaine (35)
Région
Brittany
Area
3 sq mi (7.7 km²)
INSEE code
35291
Saint-Marcan’s neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
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.