Question 1

What is the population of Mantes-la-Jolie?

Accepted Answer

The commune of Mantes-la-Jolie has 44,246 inhabitants per the INSEE census.

Question 2

Are there natural risks in Mantes-la-Jolie?

Accepted Answer

Yes, Mantes-la-Jolie is exposed to 2 natural risk(s): Risque industriel, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Mantes-la-Jolie?

Accepted Answer

Out of 854 ADEME EPCs available in Mantes-la-Jolie, the most common label is D. 1% are rated A or B.

Question 4

What is the crime rate in Mantes-la-Jolie?

Accepted Answer

In 2025, the crime rate in Mantes-la-Jolie was 40.3 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 Mantes-la-Jolie?

Accepted Answer

Tap water in Mantes-la-Jolie is non-compliant on some parameters. Source: ARS / Hub'eau. (1204 analyses over 12 months) Exceedances were observed for: nitrates.

Question 6

What is the air quality in Mantes-la-Jolie?

Accepted Answer

According to LCSQA stations (5-year mean) in Mantes-la-Jolie: PM2.5 : 8.5 µg/m³, NO₂ : 15.3 µg/m³, PM10 : 13.9 µg/m³. Source: LCSQA / Géod'air.