Question 1

What is the population of Houdan?

Accepted Answer

The commune of Houdan has 3,716 inhabitants per the INSEE census.

Question 2

Are there natural risks in Houdan?

Accepted Answer

No natural risk is listed for Houdan in the GASPAR / Géorisques database.

Question 3

What is the energy performance of homes in Houdan?

Accepted Answer

Out of 255 ADEME EPCs available in Houdan, the most common label is D. 4% are rated A or B.

Question 4

What is the crime rate in Houdan?

Accepted Answer

In 2025, the crime rate in Houdan was 42.2 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 Houdan?

Accepted Answer

Tap water in Houdan is compliant with quality standards. Source: ARS / Hub'eau. (245 analyses over 12 months)

Question 6

What is the air quality in Houdan?

Accepted Answer

According to LCSQA stations (5-year mean) in Houdan: PM2.5 : 8.4 µg/m³, NO₂ : 12.5 µg/m³, PM10 : 13.7 µg/m³. Source: LCSQA / Géod'air.