Data highlights are ordered by what stands out in Saint-Gervais.
Who lives here
Saint-Gervais has fewer young adults than Val-d'Oise’s towns or compared French towns: 9.1% are 15 to 24
39% of adults hold a degree, near Val-d'Oise’s towns (38%) and higher than compared French towns (30%). One measure of family life: 17% of residents are under 15. Those 65 and older account for a fifth of residents.
47.9median age
Saint-GervaisVal-d'Oise medianFrance median
Ages · share of residents
20%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma14%
CAP or BEP22%
Baccalauréat20%
Higher education39%
Women and men · all residents
50% women, 50% men
WomenFrance medianMen
About an even split. Median share of women: Val-d'Oise 51.5%, France 51.8%.
INSEE, census 2023 · Val-d'Oise median and France median: the median of compared communes
History
Saint-Gervais keeps more of its old housing than Val-d'Oise’s towns or compared French towns: 32% built before 1919
France has no History Grade yet: this card describes, it doesn’t grade.
Saint-Gervais has 2 historic monuments on the Culture ministry’s list: 1 classé, the highest protection, and 1 inscrit, the second level. The oldest protected building goes back to the 15th century.
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commute
Walking, cycling and public transport carry fewer commuters in Saint-Gervais than in Val-d'Oise’s towns or compared French towns: 10.6%
6.0% of the labour force were unemployed, below Val-d'Oise’s towns (9.9%) and compared French towns (10.1%) alike. Per consumption unit, the median disposable income is €32,380 a year. Saint-Gervais holds 50 jobs; 450 of its residents are in work, so 0.1 jobs each.
11%walk, cycle or take transit
How working residents got to work · census 2023
Driving86%
Public transport9%
On foot1%
Motorbike or scooter1%
Bicycle0%
50
jobs based in Saint-Gervais, 0.1 per working resident
6.0%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€32,380
median annual income per consumption unit, 2023 · median of compared French towns €25,970
People: INSEE, census 2023. Miles: center to center.
About Saint-Gervais
Commune in Val-d'Oise, Île-de-France
Saint-Gervais is a commune of 878 people in the Communauté de communes du Vexin-Val de Seine. 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.