Question 1

What is the population of Mennecy?

Accepted Answer

The commune of Mennecy has 16,071 inhabitants per the INSEE census.

Question 2

Are there natural risks in Mennecy?

Accepted Answer

Yes, Mennecy 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 Mennecy?

Accepted Answer

Out of 894 ADEME EPCs available in Mennecy, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Mennecy?

Accepted Answer

In 2025, the crime rate in Mennecy was 28.7 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 Mennecy?

Accepted Answer

Tap water in Mennecy is compliant with quality standards. Source: ARS / Hub'eau. (308 analyses over 12 months)

Question 6

What is the air quality in Mennecy?

Accepted Answer

According to LCSQA stations (5-year mean) in Mennecy: PM2.5 : 11.0 µg/m³, NO₂ : 21.6 µg/m³, PM10 : 18.7 µg/m³. Source: LCSQA / Géod'air.