Saint-Jean-d'Hérans isn’t graded: grades begin at 1,000 residents. Holiday and other second homes account for 21% of homes. It skews older: 28% of residents are 65 or over.
What makes Saint-Jean-d'Hérans stand out
The 2 things Saint-Jean-d'Hérans does most differently from other towns.
Data highlights are ordered by what stands out in Saint-Jean-d'Hérans.
Who lives here
Fewer children live in Saint-Jean-d'Hérans than in Isère’s towns or compared French towns: 12% are under 15
52.5median age
People aged 15 to 24 are 6.6% of the population. 35% of adults hold a degree, above both Isère’s towns (33%) and compared French towns (30%). The middle age in Saint-Jean-d'Hérans is 52.5.
Saint-Jean-d'HéransIsère medianFrance median
Ages · share of residents
28%
Under 1515–2425–4445–6465+
Highest diploma · residents 15 and older who have left education
No diploma10%
CAP or BEP30%
Baccalauréat20%
Higher education35%
Women and men · all residents
50% women, 50% men
WomenFrance medianMen
About an even split. Median share of women: Isère 51.3%, France 51.8%.
INSEE, census 2023 · Isère median and France median: the median of compared communes
Work & commute
Fewer commuters in Saint-Jean-d'Hérans walk, cycle or take the bus or train than in Isère’s towns or compared French towns: 7.1%
7%walk, cycle or take transit
Per resident in work, Saint-Jean-d'Hérans counts 0.3 jobs (50 jobs, 150 workers). Of those in the labour force, 7.4% are unemployed. At the census, 4.3% of working residents in Saint-Jean-d'Hérans didn’t travel to work at all.
How working residents got to work · census 2023
Driving89%
On foot4%
Public transport2%
Bicycle1%
Motorbike or scooter0%
50
jobs based in Saint-Jean-d'Hérans, 0.3 per working resident
7.4%
unemployment rate, ages 15 to 64 in the labor force · median of compared French towns 10.1%
€26,430
median annual income per consumption unit, 2023 · median of compared French towns €25,970
Saint-Jean-d'Hérans is a commune of 318 people in the Communauté de communes du Trièves. 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
318 (INSEE, census 2023)
Intercommunality
Communauté de communes du Trièves
Département
Isère (38)
Région
Auvergne-Rhône-Alpes
Area
6.8 sq mi (17.6 km²)
INSEE code
38403
Saint-Jean-d'Hérans’ neighbors
The nearest towns of 2,500 or more. The map uses IGN’s commune boundaries. See them on the map →
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.