Question 1

What is the population of Saint-Germain-en-Laye?

Accepted Answer

The commune of Saint-Germain-en-Laye has 45,286 inhabitants per the INSEE census.

Question 2

Are there natural risks in Saint-Germain-en-Laye?

Accepted Answer

Yes, Saint-Germain-en-Laye is exposed to 1 natural risk(s): Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Saint-Germain-en-Laye?

Accepted Answer

Out of 1,111 ADEME EPCs available in Saint-Germain-en-Laye, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Saint-Germain-en-Laye?

Accepted Answer

In 2025, the crime rate in Saint-Germain-en-Laye was 32.7 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-Germain-en-Laye?

Accepted Answer

Tap water in Saint-Germain-en-Laye is compliant with quality standards. Source: ARS / Hub'eau. (3289 analyses over 12 months)

Question 6

What is the air quality in Saint-Germain-en-Laye?

Accepted Answer

According to LCSQA stations (5-year mean) in Saint-Germain-en-Laye: PM2.5 : 10.0 µg/m³, NO₂ : 22.2 µg/m³, PM10 : 18.2 µg/m³. Source: LCSQA / Géod'air.