Question 1

What is the population of Chilly-Mazarin?

Accepted Answer

The commune of Chilly-Mazarin has 19,981 inhabitants per the INSEE census.

Question 2

Are there natural risks in Chilly-Mazarin?

Accepted Answer

Yes, Chilly-Mazarin 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 Chilly-Mazarin?

Accepted Answer

Out of 349 ADEME EPCs available in Chilly-Mazarin, the most common label is D. 3% are rated A or B.

Question 4

What is the crime rate in Chilly-Mazarin?

Accepted Answer

In 2025, the crime rate in Chilly-Mazarin was 40.8 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 Chilly-Mazarin?

Accepted Answer

Tap water in Chilly-Mazarin is compliant with quality standards. Source: ARS / Hub'eau. (474 analyses over 12 months)

Question 6

What is the air quality in Chilly-Mazarin?

Accepted Answer

According to LCSQA stations (5-year mean) in Chilly-Mazarin: PM2.5 : 11.9 µg/m³, NO₂ : 27.9 µg/m³, PM10 : 18.6 µg/m³. Source: LCSQA / Géod'air.