Question 1

What is the population of Oulchy-le-Château?

Accepted Answer

The commune of Oulchy-le-Château has 811 inhabitants per the INSEE census.

Question 2

Are there natural risks in Oulchy-le-Château?

Accepted Answer

Yes, Oulchy-le-Château is exposed to 2 natural risk(s): Inondation, Par ruissellement et coulée de boue. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Oulchy-le-Château?

Accepted Answer

Out of 88 ADEME EPCs available in Oulchy-le-Château, the most common label is G. 5% are rated A or B.

Question 4

What is the crime rate in Oulchy-le-Château?

Accepted Answer

In 2025, the crime rate in Oulchy-le-Château was 0 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 Oulchy-le-Château?

Accepted Answer

Tap water in Oulchy-le-Château is compliant with quality standards. Source: ARS / Hub'eau. (18 analyses over 12 months)

Question 6

What is the air quality in Oulchy-le-Château?

Accepted Answer

According to LCSQA stations (5-year mean) in Oulchy-le-Château: PM2.5 : 9.0 µg/m³, NO₂ : 6.5 µg/m³, PM10 : 14.7 µg/m³. Source: LCSQA / Géod'air.