Question 1

What is the population of Frelinghien?

Accepted Answer

The commune of Frelinghien has 2,617 inhabitants per the INSEE census.

Question 2

Are there natural risks in Frelinghien?

Accepted Answer

Yes, Frelinghien is exposed to 3 natural risk(s): Engins de guerre, Inondation, Séisme. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Frelinghien?

Accepted Answer

Out of 248 ADEME EPCs available in Frelinghien, the most common label is C. 4% are rated A or B.

Question 4

What is the crime rate in Frelinghien?

Accepted Answer

In 2025, the crime rate in Frelinghien was 24.1 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 Frelinghien?

Accepted Answer

Tap water in Frelinghien is compliant with quality standards. Source: ARS / Hub'eau. (82 analyses over 12 months)

Question 6

What is the air quality in Frelinghien?

Accepted Answer

According to LCSQA stations (5-year mean) in Frelinghien: PM2.5 : 11.3 µg/m³, NO₂ : 16.1 µg/m³, PM10 : 18.2 µg/m³. Source: LCSQA / Géod'air.