Question 1

What is the population of Lagnieu?

Accepted Answer

The commune of Lagnieu has 7,321 inhabitants per the INSEE census.

Question 2

Are there natural risks in Lagnieu?

Accepted Answer

Yes, Lagnieu is exposed to 6 natural risk(s): Inondation, Nucléaire, Par une crue à débordement lent de cours d'eau, Rupture de barrage, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Lagnieu?

Accepted Answer

Out of 499 ADEME EPCs available in Lagnieu, the most common label is C. 14% are rated A or B.

Question 4

What is the crime rate in Lagnieu?

Accepted Answer

In 2025, the crime rate in Lagnieu was 23.6 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 Lagnieu?

Accepted Answer

Tap water in Lagnieu is compliant with quality standards. Source: ARS / Hub'eau. (1300 analyses over 12 months)

Question 6

What is the air quality in Lagnieu?

Accepted Answer

According to LCSQA stations (5-year mean) in Lagnieu: PM2.5 : 9.0 µg/m³, NO₂ : 14.0 µg/m³, PM10 : 14.7 µg/m³. Source: LCSQA / Géod'air.