Question 1

What is the population of Île-Saint-Denis?

Accepted Answer

The commune of Île-Saint-Denis has 8,682 inhabitants per the INSEE census.

Question 2

Are there natural risks in Île-Saint-Denis?

Accepted Answer

Yes, Île-Saint-Denis is exposed to 10 natural risk(s): 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, Phénomène lié à l'atmosphère, Risque industriel, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Île-Saint-Denis?

Accepted Answer

Out of 24 ADEME EPCs available in Île-Saint-Denis, the most common label is F. 0% are rated A or B.

Question 4

What is the crime rate in Île-Saint-Denis?

Accepted Answer

In 2025, the crime rate in Île-Saint-Denis was 33 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 Île-Saint-Denis?

Accepted Answer

Tap water in Île-Saint-Denis is compliant with quality standards. Source: ARS / Hub'eau. (164 analyses over 12 months)

Question 6

What is the air quality in Île-Saint-Denis?

Accepted Answer

According to LCSQA stations (5-year mean) in Île-Saint-Denis: PM2.5 : 11.5 µg/m³, NO₂ : 30.9 µg/m³, PM10 : 22.3 µg/m³. Source: LCSQA / Géod'air.