Question 1

What is the population of Saint-Brieuc?

Accepted Answer

The commune of Saint-Brieuc has 44,607 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Brieuc?

Accepted Answer

Yes, Saint-Brieuc is exposed to 15 natural risk(s): Affaissements et effondrements d'origine anthropique (anciennes carrières souterraines, hors mines), Eboulement ou chutes de pierres et de blocs, Glissement de terrain, Inondation, Mouvement de terrain, Par submersion marine, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Radon, Recul du trait de côte et de falaises, 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 Saint-Brieuc?

Accepted Answer

Out of 2,731 ADEME EPCs available in Saint-Brieuc, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Saint-Brieuc?

Accepted Answer

In 2025, the crime rate in Saint-Brieuc was 49.3 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 Saint-Brieuc?

Accepted Answer

Tap water in Saint-Brieuc is compliant with quality standards. Source: ARS / Hub'eau. (3431 analyses over 12 months)

Question 6

What is the air quality in Saint-Brieuc?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Brieuc: PM2.5 : 7.1 µg/m³, NO₂ : 7.8 µg/m³, PM10 : 14.6 µg/m³. Source: LCSQA / Géod'air.