Question 1

What is the population of Janzé?

Accepted Answer

The commune of Janzé has 8,618 inhabitants per the INSEE census.

Question 2

Are there natural risks in Janzé?

Accepted Answer

Yes, Janzé is exposed to 4 natural risk(s): Phénomène lié à l'atmosphère, Séisme, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Janzé?

Accepted Answer

Out of 605 ADEME EPCs available in Janzé, the most common label is C. 12% are rated A or B.

Question 4

What is the crime rate in Janzé?

Accepted Answer

In 2025, the crime rate in Janzé was 26.2 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 Janzé?

Accepted Answer

Tap water in Janzé is compliant with quality standards. Source: ARS / Hub'eau. (166 analyses over 12 months)

Question 6

What is the air quality in Janzé?

Accepted Answer

According to LCSQA stations (5-year mean) in Janzé: PM2.5 : 9.4 µg/m³, NO₂ : 14.8 µg/m³, PM10 : 15.2 µg/m³. Source: LCSQA / Géod'air.