Question 1

What is the population of Illois?

Accepted Answer

The commune of Illois has 391 inhabitants per the INSEE census.

Question 2

Are there natural risks in Illois?

Accepted Answer

Yes, Illois is exposed to 3 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Mouvement de terrain, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Illois?

Accepted Answer

Out of 27 ADEME EPCs available in Illois, the most common label is D. 0% are rated A or B.

Question 4

What is the crime rate in Illois?

Accepted Answer

In 2025, the crime rate in Illois 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 Illois?

Accepted Answer

Tap water in Illois is compliant with quality standards. Source: ARS / Hub'eau. (287 analyses over 12 months)

Question 6

What is the air quality in Illois?

Accepted Answer

According to LCSQA stations (5-year mean) in Illois: PM2.5 : 9.6 µg/m³, NO₂ : 12.5 µg/m³, PM10 : 15.2 µg/m³. Source: LCSQA / Géod'air.