Question 1

What is the population of Gex?

Accepted Answer

The commune of Gex has 13,455 inhabitants per the INSEE census.

Question 2

Are there natural risks in Gex?

Accepted Answer

Yes, Gex is exposed to 7 natural risk(s): Avalanche, Glissement de terrain, Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Par une crue torrentielle ou à montée rapide de cours d'eau, Séisme. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Gex?

Accepted Answer

Out of 525 ADEME EPCs available in Gex, the most common label is D. 6% are rated A or B.

Question 4

What is the crime rate in Gex?

Accepted Answer

In 2025, the crime rate in Gex was 31.9 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 Gex?

Accepted Answer

Tap water in Gex is non-compliant on some parameters. Source: ARS / Hub'eau. (3569 analyses over 12 months) Exceedances were observed for: bactériologie.

Question 6

What is the air quality in Gex?

Accepted Answer

According to LCSQA stations (5-year mean) in Gex: PM2.5 : 9.2 µg/m³, NO₂ : 14.5 µg/m³, PM10 : 15.1 µg/m³. Source: LCSQA / Géod'air.