Question 1

What is the population of Saint-Jean?

Accepted Answer

The commune of Saint-Jean has 11,239 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Jean?

Accepted Answer

Yes, Saint-Jean is exposed to 2 natural risk(s): Inondation, Par une crue à débordement lent de cours d'eau. Source: Géorisques / GASPAR.

Question 3

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

Accepted Answer

Out of 828 ADEME EPCs available in Saint-Jean, the most common label is C. 6% are rated A or B.

Question 4

What is the crime rate in Saint-Jean?

Accepted Answer

In 2025, the crime rate in Saint-Jean was 22 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?

Accepted Answer

Tap water in Saint-Jean is compliant with quality standards. Source: ARS / Hub'eau. (71 analyses over 12 months)

Question 6

What is the air quality in Saint-Jean?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Jean: PM2.5 : 9.5 µg/m³, NO₂ : 25.5 µg/m³, PM10 : 16.4 µg/m³. Source: LCSQA / Géod'air.