Question 1

What is the population of Leffrinckoucke?

Accepted Answer

The commune of Leffrinckoucke has 4,101 inhabitants per the INSEE census.

Question 2

Are there natural risks in Leffrinckoucke?

Accepted Answer

Yes, Leffrinckoucke is exposed to 5 natural risk(s): Engins de guerre, Inondation, Mouvement de terrain, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Leffrinckoucke?

Accepted Answer

Out of 355 ADEME EPCs available in Leffrinckoucke, the most common label is D. 17% are rated A or B.

Question 4

What is the crime rate in Leffrinckoucke?

Accepted Answer

In 2025, the crime rate in Leffrinckoucke was 15.4 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 Leffrinckoucke?

Accepted Answer

Tap water in Leffrinckoucke is compliant with quality standards. Source: ARS / Hub'eau. (79 analyses over 12 months)

Question 6

What is the air quality in Leffrinckoucke?

Accepted Answer

According to LCSQA stations (5-year mean) in Leffrinckoucke: PM2.5 : 10.9 µg/m³, NO₂ : 12.2 µg/m³, PM10 : 17.2 µg/m³. Source: LCSQA / Géod'air.