The Isère département (38) is a French département, located in the Auvergne-Rhône-Alpes region. It comprises 512 communes over 7,877 km², with approximately 1,291,380 inhabitants (INSEE). Cadastral map, parcels and open data on La Grande Carte.

Frequently asked questions
How many communes does the Isère département have?
The Isère département (38) has 512 communes.
What is the population of the Isère département?
The Isère département has approximately 1,291,380 inhabitants (estimated from INSEE data).
What is the crime rate in the Isère département?
In 2025, the crime rate in the Isère département was 31.4 offences per 1,000 inhabitants (aggregated across all communes). Source: SSMSI.
What is the air quality in the Isère département?
According to LCSQA stations (estimated at département centroid, 5-year mean): PM2.5 : 10.5 µg/m³, NO₂ : 16.4 µg/m³, PM10 : 15.9 µg/m³. Source: LCSQA / Géod'air.