Data highlights are ordered by what stands out in Grumesnil.
Who lives here
Grumesnil has fewer older residents than Seine-Maritime’s towns or compared French towns: 17% are 65 or over
Children under 15 make up 20%, above both Seine-Maritime’s towns (17%) and compared French towns (17%). At 40.7, the median resident of Grumesnil sits in the middle of the age range. People aged 15 to 24 are just over a tenth of the population.
40.7median age
GrumesnilSeine-Maritime medianFrance median
Ages · share of residents
11%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma25%
CAP or BEP35%
Baccalauréat15%
Higher education20%
Women and men · all residents
51% women, 49% men
WomenFrance medianMen
About an even split. Median share of women: Seine-Maritime 52.8%, France 51.8%.
INSEE, census 2023 · Seine-Maritime median and France median: the median of compared communes
Work & commute
Incomes in Grumesnil run lower than in Seine-Maritime’s towns and across compared French towns: a median €22,580 a year per consumption unit
6.1% of commuters went to work on foot, by bike or by public transport at the census. Jobs located in Grumesnil: 100, for 200 residents in work (0.4 each). Unemployment stood at 10.7%, below Seine-Maritime’s towns (12.8%) but above compared French towns (10.1%).
6%walk, cycle or take transit
How working residents got to work · census 2023
Driving82%
Public transport4%
Motorbike or scooter1%
On foot1%
Bicycle1%
100
jobs based in Grumesnil, 0.4 per working resident
10.7%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€22,580
median annual income per consumption unit, 2023 · median of compared French towns €25,970
People: INSEE, census 2023. Miles: center to center.
About Grumesnil
Commune in Seine-Maritime, Normandy
Grumesnil is a commune of 485 people in the Communauté de communes des Quatre Rivières en Bray. 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
485 (INSEE, census 2023)
Intercommunality
Communauté de communes des Quatre Rivières en Bray
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.