Saint-Marc-sur-Seine has no grades yet: French towns are graded from 1,000 residents up. A fifth of its homes are second homes. People aged 65 and over make up 36% of residents.
What makes Saint-Marc-sur-Seine stand out
The 2 things Saint-Marc-sur-Seine does most differently from other towns.
Data highlights are ordered by what stands out in Saint-Marc-sur-Seine.
Who lives here
Saint-Marc-sur-Seine has fewer young adults than Côte-d'Or’s towns or compared French towns: 5.1% are 15 to 24
57.5median age
People 65 and over make up 36% of the town, above Côte-d'Or’s towns (24%) and compared French towns (22%) alike. One measure of family life: 13% of residents are under 15. The age that splits Saint-Marc-sur-Seine in two is 57.5.
Saint-Marc-sur-SeineCôte-d'Or medianFrance median
Ages · share of residents
36%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma13%
CAP or BEP29%
Baccalauréat20%
Higher education31%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About 95 men for every 100 women. Median share of women: Côte-d'Or 52.8%, France 51.8%.
INSEE, census 2023 · Côte-d'Or median and France median: the median of compared communes
Work & commute
Unemployment in Saint-Marc-sur-Seine, 13.0%, runs above Côte-d'Or’s towns and compared French towns
16%walk, cycle or take transit
15.9% of commuters walked, cycled or took the bus or train at the census, between Côte-d'Or’s towns (22.8%) and compared French towns (13.4%). For its 50 residents in work, Saint-Marc-sur-Seine has 50 jobs: 1.1 each. The typical income here, after tax and benefits, is €24,790 a year per consumption unit.
How working residents got to work · census 2023
Driving70%
On foot11%
Public transport2%
Bicycle2%
Motorbike or scooter0%
50
jobs based in Saint-Marc-sur-Seine, 1.1 per working resident
13.0%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€24,790
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Saint-Marc-sur-Seine is a commune of 113 people in the Communauté de communes du Pays Châtillonnais. 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
113 (INSEE, census 2023)
Intercommunality
Communauté de communes du Pays Châtillonnais
Département
Côte-d'Or (21)
Région
Bourgogne-Franche-Comté
Area
3.3 sq mi (8.4 km²)
INSEE code
21557
Saint-Marc-sur-Seine’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.