Question 1

What is the population of Champigny-sur-Marne?

Accepted Answer

The commune of Champigny-sur-Marne has 78,367 inhabitants per the INSEE census.

Question 2

Are there natural risks in Champigny-sur-Marne?

Accepted Answer

Yes, Champigny-sur-Marne is exposed to 3 natural risk(s): Inondation, Mouvement de terrain, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Champigny-sur-Marne?

Accepted Answer

Out of 2,214 ADEME EPCs available in Champigny-sur-Marne, the most common label is D. 3% are rated A or B.

Question 4

What is the crime rate in Champigny-sur-Marne?

Accepted Answer

In 2025, the crime rate in Champigny-sur-Marne was 34.5 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 Champigny-sur-Marne?

Accepted Answer

Tap water in Champigny-sur-Marne is compliant with quality standards. Source: ARS / Hub'eau. (1411 analyses over 12 months)

Question 6

What is the air quality in Champigny-sur-Marne?

Accepted Answer

According to LCSQA stations (5-year mean) in Champigny-sur-Marne: PM2.5 : 11.1 µg/m³, NO₂ : 20.4 µg/m³, PM10 : 17.2 µg/m³. Source: LCSQA / Géod'air.