Question 1

What is the population of Roche-sur-Yon?

Accepted Answer

The commune of Roche-sur-Yon has 54,699 inhabitants per the INSEE census.

Question 2

Are there natural risks in Roche-sur-Yon?

Accepted Answer

Yes, Roche-sur-Yon is exposed to 11 natural risk(s): Affaissements et effondrements d'origine naturelle (cavités souterraines), Inondation, Mouvement de terrain, Neige et pluies verglaçantes, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Rupture de barrage, Séisme, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Roche-sur-Yon?

Accepted Answer

Out of 4,170 ADEME EPCs available in Roche-sur-Yon, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Roche-sur-Yon?

Accepted Answer

In 2025, the crime rate in Roche-sur-Yon was 40.6 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 Roche-sur-Yon?

Accepted Answer

Tap water in Roche-sur-Yon is compliant with quality standards. Source: ARS / Hub'eau. (5827 analyses over 12 months)

Question 6

What is the air quality in Roche-sur-Yon?

Accepted Answer

According to LCSQA stations (5-year mean) in Roche-sur-Yon: PM2.5 : 8.3 µg/m³, NO₂ : 7.2 µg/m³, PM10 : 14.4 µg/m³. Source: LCSQA / Géod'air.