Question 1

What is the population of Mary-sur-Marne?

Accepted Answer

The commune of Mary-sur-Marne has 1,135 inhabitants per the INSEE census.

Question 2

Are there natural risks in Mary-sur-Marne?

Accepted Answer

Yes, Mary-sur-Marne is exposed to 5 natural risk(s): Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

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

Accepted Answer

Out of 85 ADEME EPCs available in Mary-sur-Marne, the most common label is E. 4% are rated A or B.

Question 4

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

Accepted Answer

In 2025, the crime rate in Mary-sur-Marne was 0 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 Mary-sur-Marne?

Accepted Answer

Tap water in Mary-sur-Marne is compliant with quality standards. Source: ARS / Hub'eau. (3440 analyses over 12 months)

Question 6

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

Accepted Answer

According to LCSQA stations (5-year mean) in Mary-sur-Marne: PM2.5 : 9.3 µg/m³, NO₂ : 14.1 µg/m³, PM10 : 16.5 µg/m³. Source: LCSQA / Géod'air.