Data highlights are ordered by what stands out in Longmesnil.
Who lives here
Fewer children live in Longmesnil than in Seine-Maritime’s towns or compared French towns: 9.1% are under 15
34% of adults hold a degree. People 65 and over make up 27% of the town, higher than both Seine-Maritime’s towns (23%) and compared French towns (22%). What’s more, the 15-to-24 age group makes up 14% of residents.
56.2median age
LongmesnilSeine-Maritime medianFrance median
Ages · share of residents
14%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma18%
CAP or BEP21%
Baccalauréat16%
Higher education34%
Women and men · all residents
55% women, 45% men
WomenFrance medianMen
About 83 men for every 100 women. Median share of women: Seine-Maritime 52.8%, France 51.8%.
People: INSEE, census 2023. Miles: center to center.
About Longmesnil
Commune in Seine-Maritime, Normandy
Longmesnil is a commune of 45 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
45 (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.