Question 1

What is the population of Lillers?

Accepted Answer

The commune of Lillers has 10,200 inhabitants per the INSEE census.

Question 2

Are there natural risks in Lillers?

Accepted Answer

Yes, Lillers is exposed to 7 natural risk(s): Inondation, Mouvement de terrain, Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Lillers?

Accepted Answer

Out of 1,183 ADEME EPCs available in Lillers, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Lillers?

Accepted Answer

In 2025, the crime rate in Lillers was 40.6 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 Lillers?

Accepted Answer

Tap water in Lillers is non-compliant on some parameters. Source: ARS / Hub'eau. (779 analyses over 12 months) Exceedances were observed for: nitrates.

Question 6

What is the air quality in Lillers?

Accepted Answer

According to LCSQA stations (5-year mean) in Lillers: PM2.5 : 9.8 µg/m³, NO₂ : 10.5 µg/m³, PM10 : 16.7 µg/m³. Source: LCSQA / Géod'air.