Question 1

What is the population of Rosny-sur-Seine?

Accepted Answer

The commune of Rosny-sur-Seine has 7,041 inhabitants per the INSEE census.

Question 2

Are there natural risks in Rosny-sur-Seine?

Accepted Answer

Yes, Rosny-sur-Seine is exposed to 1 natural risk(s): Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Rosny-sur-Seine?

Accepted Answer

Out of 476 ADEME EPCs available in Rosny-sur-Seine, the most common label is D. 6% are rated A or B.

Question 4

What is the crime rate in Rosny-sur-Seine?

Accepted Answer

In 2025, the crime rate in Rosny-sur-Seine was 28.4 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 Rosny-sur-Seine?

Accepted Answer

Tap water in Rosny-sur-Seine is non-compliant on some parameters. Source: ARS / Hub'eau. (202 analyses over 12 months) Exceedances were observed for: nitrates.

Question 6

What is the air quality in Rosny-sur-Seine?

Accepted Answer

According to LCSQA stations (5-year mean) in Rosny-sur-Seine: PM2.5 : 8.4 µg/m³, NO₂ : 14.7 µg/m³, PM10 : 13.9 µg/m³. Source: LCSQA / Géod'air.