Question 1

What is the population of Saint-Jean-d'Illac?

Accepted Answer

The commune of Saint-Jean-d'Illac has 9,702 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Jean-d'Illac?

Accepted Answer

Yes, Saint-Jean-d'Illac is exposed to 6 natural risk(s): Feu de forêt, Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Risque industriel, Tassements différentiels. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Jean-d'Illac?

Accepted Answer

Out of 644 ADEME EPCs available in Saint-Jean-d'Illac, the most common label is C. 21% are rated A or B.

Question 4

What is the crime rate in Saint-Jean-d'Illac?

Accepted Answer

In 2025, the crime rate in Saint-Jean-d'Illac was 24.1 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 Saint-Jean-d'Illac?

Accepted Answer

Tap water in Saint-Jean-d'Illac is compliant with quality standards. Source: ARS / Hub'eau. (707 analyses over 12 months)

Question 6

What is the air quality in Saint-Jean-d'Illac?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Jean-d'Illac: PM2.5 : 9.2 µg/m³, NO₂ : 12.1 µg/m³, PM10 : 16.9 µg/m³. Source: LCSQA / Géod'air.