Question 1

What is the population of Château-d'Oléron?

Accepted Answer

The commune of Château-d'Oléron has 4,359 inhabitants per the INSEE census.

Question 2

Are there natural risks in Château-d'Oléron?

Accepted Answer

Yes, Château-d'Oléron is exposed to 10 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Feu de forêt, Inondation, Mouvement de terrain, Par submersion marine, Phénomène lié à l'atmosphère, Séisme, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Château-d'Oléron?

Accepted Answer

Out of 750 ADEME EPCs available in Château-d'Oléron, the most common label is D. 10% are rated A or B.

Question 4

What is the crime rate in Château-d'Oléron?

Accepted Answer

In 2025, the crime rate in Château-d'Oléron was 20.2 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 Château-d'Oléron?

Accepted Answer

Tap water in Château-d'Oléron is compliant with quality standards. Source: ARS / Hub'eau. (233 analyses over 12 months)

Question 6

What is the air quality in Château-d'Oléron?

Accepted Answer

According to LCSQA stations (5-year mean) in Château-d'Oléron: PM2.5 : 8.1 µg/m³, NO₂ : 9.2 µg/m³, PM10 : 16.5 µg/m³. Source: LCSQA / Géod'air.