Data highlights are ordered by what stands out in Sommecaise.
Who lives here
Sommecaise has fewer young adults than Yonne’s towns or compared French towns: 7.8% are 15 to 24
Under-15s account for 18% of the population. Just over a fifth of residents are 65 or over, below Yonne’s towns (28%) and compared French towns (22%) alike. Among adults, 27% have a degree.
45.1median age
SommecaiseYonne medianFrance median
Ages · share of residents
21%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma21%
CAP or BEP35%
Baccalauréat15%
Higher education27%
Women and men · all residents
49% women, 51% men
WomenFrance medianMen
About an even split. Median share of women: Yonne 52.2%, France 51.8%.
INSEE, census 2023 · Yonne median and France median: the median of compared communes
Work & commute
Sommecaise has lower unemployment than Yonne’s towns or compared French towns: 5.2%
5.4% of commuters walked, cycled or took the bus or train at the census, lower than both Yonne’s towns (17.2%) and compared French towns (13.4%). Sommecaise has 50 jobs for 200 working residents, 0.1 per worker. After tax and benefits, the median income is €24,160 a year per consumption unit.
5%walk, cycle or take transit
How working residents got to work · census 2023
Driving88%
Public transport3%
On foot2%
Bicycle1%
Motorbike or scooter1%
50
jobs based in Sommecaise, 0.1 per working resident
5.2%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€24,160
median annual income per consumption unit, 2023 · median of compared French towns €25,970
People: INSEE, census 2023. Miles: center to center.
About Sommecaise
Commune in Yonne, Bourgogne-Franche-Comté
Sommecaise is a commune of 388 people in the Communauté de communes de l'Aillantais en Bourgogne. 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
388 (INSEE, census 2023)
Intercommunality
Communauté de communes de l'Aillantais en Bourgogne
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.