Question 1

What is the population of Lognes?

Accepted Answer

The commune of Lognes has 14,678 inhabitants per the INSEE census.

Question 2

Are there natural risks in Lognes?

Accepted Answer

Yes, Lognes is exposed to 3 natural risk(s): Mouvement de terrain, Tassements différentiels, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Lognes?

Accepted Answer

Out of 146 ADEME EPCs available in Lognes, the most common label is D. 1% are rated A or B.

Question 4

What is the crime rate in Lognes?

Accepted Answer

In 2025, the crime rate in Lognes was 31.4 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 Lognes?

Accepted Answer

Tap water in Lognes is compliant with quality standards. Source: ARS / Hub'eau. (432 analyses over 12 months)

Question 6

What is the air quality in Lognes?

Accepted Answer

According to LCSQA stations (5-year mean) in Lognes: PM2.5 : 10.8 µg/m³, NO₂ : 17.9 µg/m³, PM10 : 15.6 µg/m³. Source: LCSQA / Géod'air.