Question 1

What is the population of Saint-Cast-le-Guildo?

Accepted Answer

The commune of Saint-Cast-le-Guildo has 3,353 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Cast-le-Guildo?

Accepted Answer

Yes, Saint-Cast-le-Guildo is exposed to 13 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Glissement de terrain, Inondation, Mouvement de terrain, Par submersion marine, Phénomène lié à l'atmosphère, Radon, Recul du trait de côte et de falaises, Rupture de barrage, Séisme, Tassements différentiels, Tempête et grains (vent). Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Cast-le-Guildo?

Accepted Answer

Out of 685 ADEME EPCs available in Saint-Cast-le-Guildo, the most common label is D. 7% are rated A or B.

Question 4

What is the crime rate in Saint-Cast-le-Guildo?

Accepted Answer

In 2025, the crime rate in Saint-Cast-le-Guildo was 32.9 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-Cast-le-Guildo?

Accepted Answer

Tap water in Saint-Cast-le-Guildo is compliant with quality standards. Source: ARS / Hub'eau. (489 analyses over 12 months)

Question 6

What is the air quality in Saint-Cast-le-Guildo?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Cast-le-Guildo: PM2.5 : 8.7 µg/m³, NO₂ : 9.3 µg/m³, PM10 : 17.2 µg/m³. Source: LCSQA / Géod'air.