Data highlights are ordered by what stands out in La Roche-Guyon.
Who lives here
Students and young workers shape La Roche-Guyon: 14% are 15 to 24, above Val-d'Oise’s towns and compared French towns
A fifth of residents are 65 or over, between Val-d'Oise’s towns (15%) and compared French towns (22%). The share of residents under 15 is 17%. Degrees are held by 39% of adults.
42.9median age
La Roche-GuyonVal-d'Oise medianFrance median
Ages · share of residents
14%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma20%
CAP or BEP20%
Baccalauréat17%
Higher education39%
Women and men · all residents
49% women, 51% 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
Old homes shape La Roche-Guyon: 45% were built before 1919, more than in Val-d'Oise’s towns or compared French towns
France has no History Grade yet: this card describes, it doesn’t grade.
Its oldest listed monument dates from the 18th century. The Culture ministry lists 4 historic monuments in La Roche-Guyon: 1 classé (France’s highest heritage protection) and 3 inscrit (the second level).
Ministère de la Culture, Mérimée (Licence Ouverte 2.0) · INSEE, census 2023, homes by build period
Work & commute
In La Roche-Guyon, 24.2% of commuters go on foot, by bike or by public transport, against 38.0% in Val-d'Oise’s towns and 13.4% in compared French towns
Households’ median disposable income: €29,200 a year per consumption unit. La Roche-Guyon has 400 jobs for 200 working residents, 2.1 per worker. 10.7% of the town’s working residents had no journey to work at the census.
24%walk, cycle or take transit
How working residents got to work · census 2023
Driving65%
On foot10%
Public transport9%
Bicycle5%
Motorbike or scooter1%
400
jobs based in La Roche-Guyon, 2.1 per working resident
9.5%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€29,200
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Ministry of Education (DEPP) · brevet and bac 2025, value added (IVAC, IVAL) · Licence Ouverte
Housing
Renting in La Roche-Guyon costs an estimated advertised €13.06/m² a month, against €18.09/m² in Val-d'Oise’s towns and €12.41/m² in compared French towns
Rents are the ministry’s estimates of advertised rents, not rents actually paid.
A house rents for an estimated €11.81/m² a month. Among the homes sold, 85% were houses.
€13.06/m²estimated apartment rent a month
Estimated advertised apartment rent per m² a month
La Roche-Guyon€13.06/m²
Median of towns€12.41/m²
Val-d'Oise median€18.09/m²
€13.06/m²
estimated advertised apartment rent a month, charges included (€10.95 to €15.58/m² a month)
€11.81/m²
estimated advertised house rent a month, charges included
People: INSEE, census 2023. Miles: center to center.
About La Roche-Guyon
Commune in Val-d'Oise, Île-de-France
La Roche-Guyon is a commune of 399 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.