Question 1

What is the population of Saint-Nazaire?

Accepted Answer

The commune of Saint-Nazaire has 73,111 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Nazaire?

Accepted Answer

Yes, Saint-Nazaire is exposed to 18 natural risk(s): Engins de guerre, Foudre, Grêle, Inondation, Mouvement de terrain, Neige et pluies verglaçantes, Par remontées de nappes naturelles, Par ruissellement et coulée de boue, Par submersion marine, Par une crue à débordement lent de cours d'eau, Phénomène lié à l'atmosphère, Recul du trait de côte et de falaises, Risque industriel, 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-Nazaire?

Accepted Answer

Out of 4,050 ADEME EPCs available in Saint-Nazaire, the most common label is D. 5% are rated A or B.

Question 4

What is the crime rate in Saint-Nazaire?

Accepted Answer

In 2025, the crime rate in Saint-Nazaire was 43.7 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 Saint-Nazaire?

Accepted Answer

Tap water in Saint-Nazaire is compliant with quality standards. Source: ARS / Hub'eau. (1967 analyses over 12 months)

Question 6

What is the air quality in Saint-Nazaire?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Nazaire: PM2.5 : 8.4 µg/m³, NO₂ : 7.2 µg/m³, PM10 : 14.4 µg/m³. Source: LCSQA / Géod'air.