Question 1

What is the population of Seyssins?

Accepted Answer

The commune of Seyssins has 8,087 inhabitants per the INSEE census.

Question 2

Are there natural risks in Seyssins?

Accepted Answer

Yes, Seyssins is exposed to 16 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Avalanche, Eboulement ou chutes de pierres et de blocs, Effet thermique, Feu de forêt, Glissement de terrain, Inondation, Mouvement de terrain, Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par une crue à débordement lent de cours d'eau, Par une crue torrentielle ou à montée rapide de cours d'eau, Risque industriel, Rupture de barrage, Séisme, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Seyssins?

Accepted Answer

Out of 259 ADEME EPCs available in Seyssins, the most common label is D. 10% are rated A or B.

Question 4

What is the crime rate in Seyssins?

Accepted Answer

In 2025, the crime rate in Seyssins was 32.1 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 Seyssins?

Accepted Answer

Tap water in Seyssins is compliant with quality standards. Source: ARS / Hub'eau. (766 analyses over 12 months)

Question 6

What is the air quality in Seyssins?

Accepted Answer

According to LCSQA stations (5-year mean) in Seyssins: PM2.5 : 10.5 µg/m³, NO₂ : 20.5 µg/m³, PM10 : 18.6 µg/m³. Source: LCSQA / Géod'air.