Question 1

What is the population of Boissy-sous-Saint-Yon?

Accepted Answer

The commune of Boissy-sous-Saint-Yon has 3,855 inhabitants per the INSEE census.

Question 2

Are there natural risks in Boissy-sous-Saint-Yon?

Accepted Answer

Yes, Boissy-sous-Saint-Yon is exposed to 2 natural risk(s): Inondation, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Boissy-sous-Saint-Yon?

Accepted Answer

Out of 241 ADEME EPCs available in Boissy-sous-Saint-Yon, the most common label is D. 7% are rated A or B.

Question 4

What is the crime rate in Boissy-sous-Saint-Yon?

Accepted Answer

In 2025, the crime rate in Boissy-sous-Saint-Yon was 19.6 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 Boissy-sous-Saint-Yon?

Accepted Answer

Tap water in Boissy-sous-Saint-Yon is compliant with quality standards. Source: ARS / Hub'eau. (73 analyses over 12 months)

Question 6

What is the air quality in Boissy-sous-Saint-Yon?

Accepted Answer

According to LCSQA stations (5-year mean) in Boissy-sous-Saint-Yon: PM2.5 : 11.9 µg/m³, NO₂ : 30.5 µg/m³, PM10 : 16.0 µg/m³. Source: LCSQA / Géod'air.