Question 1

What is the population of Voiron?

Accepted Answer

The commune of Voiron has 21,604 inhabitants per the INSEE census.

Question 2

Are there natural risks in Voiron?

Accepted Answer

Yes, Voiron is exposed to 12 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Effet thermique, Glissement de terrain, Inondation, Mouvement de terrain, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Par une crue torrentielle ou à montée rapide de cours d'eau, Risque industriel, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Voiron?

Accepted Answer

Out of 570 ADEME EPCs available in Voiron, the most common label is C. 11% are rated A or B.

Question 4

What is the crime rate in Voiron?

Accepted Answer

In 2025, the crime rate in Voiron was 44.3 offences per 1,000 inhabitants (burglaries, theft, violence, vandalism). Source: SSMSI / French Ministry of the Interior.

Question 5

Is the tap water safe to drink in Voiron?

Accepted Answer

Tap water in Voiron is compliant with quality standards. Source: ARS / Hub'eau. (1934 analyses over 12 months)

Question 6

What is the air quality in Voiron?

Accepted Answer

According to LCSQA stations (5-year mean) in Voiron: PM2.5 : 10.6 µg/m³, NO₂ : 12.7 µg/m³, PM10 : 12.8 µg/m³. Source: LCSQA / Géod'air.