Château de Monglat: Photo: Grefeuille · CC BY-SA 4.0
The data
Data highlights are ordered by what stands out in Cerneux.
Who lives here
Cerneux has fewer young adults than Seine-et-Marne’s towns or compared French towns: 7.4% are 15 to 24
43.7median age
19% are under 15, between Seine-et-Marne’s towns (20%) and compared French towns (17%). Retirement age and beyond: 18% of residents are 65 or older. Ages in Cerneux split evenly at 43.7: half are older, half younger.
CerneuxSeine-et-Marne medianFrance median
Ages · share of residents
18%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma24%
CAP or BEP28%
Baccalauréat24%
Higher education20%
Women and men · all residents
49% women, 51% men
WomenFrance medianMen
About 106 men for every 100 women. Median share of women: Seine-et-Marne 51.4%, France 51.8%.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commute
More people in Cerneux are out of work than in Seine-et-Marne’s towns or across compared French towns: 14.5%
10%walk, cycle or take transit
At the census, 10.2% went to work on foot, by bike or by public transport, below Seine-et-Marne’s towns (31.2%) and compared French towns (13.4%) alike. 50 jobs are based in Cerneux, for 100 working residents (0.5 per worker). Median disposable income comes to €27,540 a year per consumption unit.
How working residents got to work · census 2023
Driving84%
Public transport6%
On foot3%
Bicycle1%
Motorbike or scooter0%
50
jobs based in Cerneux, 0.5 per working resident
14.5%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€27,540
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Cerneux is a commune of 272 people in the Communauté de communes du Provinois. 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
272 (INSEE, census 2023)
Intercommunality
Communauté de communes du Provinois
Département
Seine-et-Marne (77)
Région
Île-de-France
Area
8.5 sq mi (22 km²)
INSEE code
77066
Cerneux’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.