Question 1

What is the population of Rostrenen?

Accepted Answer

The commune of Rostrenen has 3,282 inhabitants per the INSEE census.

Question 2

Are there natural risks in Rostrenen?

Accepted Answer

Yes, Rostrenen is exposed to 10 natural risk(s): Inondation, Mouvement de terrain, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Rupture de barrage, Séisme, Tassements différentiels, Tempête et grains (vent), Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Rostrenen?

Accepted Answer

Out of 512 ADEME EPCs available in Rostrenen, the most common label is E. 2% are rated A or B.

Question 4

What is the crime rate in Rostrenen?

Accepted Answer

In 2025, the crime rate in Rostrenen was 38.7 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 Rostrenen?

Accepted Answer

Tap water in Rostrenen is compliant with quality standards. Source: ARS / Hub'eau. (543 analyses over 12 months)

Question 6

What is the air quality in Rostrenen?

Accepted Answer

According to LCSQA stations (5-year mean) in Rostrenen: PM2.5 : 7.7 µg/m³, NO₂ : 7.3 µg/m³, PM10 : 13.1 µg/m³. Source: LCSQA / Géod'air.