Question 1

What is the population of Fontenay-sous-Bois?

Accepted Answer

The commune of Fontenay-sous-Bois has 52,646 inhabitants per the INSEE census.

Question 2

Are there natural risks in Fontenay-sous-Bois?

Accepted Answer

Yes, Fontenay-sous-Bois is exposed to 2 natural risk(s): Mouvement de terrain, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Fontenay-sous-Bois?

Accepted Answer

Out of 1,428 ADEME EPCs available in Fontenay-sous-Bois, the most common label is D. 3% are rated A or B.

Question 4

What is the crime rate in Fontenay-sous-Bois?

Accepted Answer

In 2025, the crime rate in Fontenay-sous-Bois was 43.9 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 Fontenay-sous-Bois?

Accepted Answer

Tap water in Fontenay-sous-Bois is compliant with quality standards. Source: ARS / Hub'eau. (964 analyses over 12 months)

Question 6

What is the air quality in Fontenay-sous-Bois?

Accepted Answer

According to LCSQA stations (5-year mean) in Fontenay-sous-Bois: PM2.5 : 11.1 µg/m³, NO₂ : 26.9 µg/m³, PM10 : 17.2 µg/m³. Source: LCSQA / Géod'air.