Question 1

What is the population of Île-de-Sein?

Accepted Answer

The commune of Île-de-Sein has 280 inhabitants per the INSEE census.

Question 2

Are there natural risks in Île-de-Sein?

Accepted Answer

Yes, Île-de-Sein is exposed to 5 natural risk(s): Inondation, Par submersion marine, Radon, Rupture de barrage, Séisme. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Île-de-Sein?

Accepted Answer

Out of 26 ADEME EPCs available in Île-de-Sein, the most common label is G. 0% are rated A or B.

Question 4

What is the crime rate in Île-de-Sein?

Accepted Answer

In 2025, the crime rate in Île-de-Sein was 0 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-de-Sein?

Accepted Answer

Tap water in Île-de-Sein is compliant with quality standards. Source: ARS / Hub'eau. (459 analyses over 12 months)

Question 6

What is the air quality in Île-de-Sein?

Accepted Answer

According to LCSQA stations (5-year mean) in Île-de-Sein: PM2.5 : 7.7 µg/m³, NO₂ : 13.0 µg/m³, PM10 : 16.4 µg/m³. Source: LCSQA / Géod'air.