Question 1

What is the population of Longuenesse?

Accepted Answer

The commune of Longuenesse has 10,559 inhabitants per the INSEE census.

Question 2

Are there natural risks in Longuenesse?

Accepted Answer

Yes, Longuenesse is exposed to 2 natural risk(s): Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Longuenesse?

Accepted Answer

Out of 648 ADEME EPCs available in Longuenesse, the most common label is D. 3% are rated A or B.

Question 4

What is the crime rate in Longuenesse?

Accepted Answer

In 2025, the crime rate in Longuenesse was 48.2 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 Longuenesse?

Accepted Answer

Tap water in Longuenesse is compliant with quality standards. Source: ARS / Hub'eau. (245 analyses over 12 months)

Question 6

What is the air quality in Longuenesse?

Accepted Answer

According to LCSQA stations (5-year mean) in Longuenesse: PM2.5 : 10.3 µg/m³, NO₂ : 10.4 µg/m³, PM10 : 16.5 µg/m³. Source: LCSQA / Géod'air.