Question 1

What is the population of Tergnier?

Accepted Answer

The commune of Tergnier has 13,261 inhabitants per the INSEE census.

Question 2

Are there natural risks in Tergnier?

Accepted Answer

Yes, Tergnier is exposed to 3 natural risk(s): Inondation, Par une crue à débordement lent de cours d'eau, Transport de marchandises dangereuses. Source: Géorisques / GASPAR.

Question 3

What is the energy performance of homes in Tergnier?

Accepted Answer

Out of 1,602 ADEME EPCs available in Tergnier, the most common label is D. 1% are rated A or B.

Question 4

What is the crime rate in Tergnier?

Accepted Answer

In 2025, the crime rate in Tergnier was 46.1 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 Tergnier?

Accepted Answer

Tap water in Tergnier is compliant with quality standards. Source: ARS / Hub'eau. (2291 analyses over 12 months)

Question 6

What is the air quality in Tergnier?

Accepted Answer

According to LCSQA stations (5-year mean) in Tergnier: PM2.5 : 10.0 µg/m³, NO₂ : 12.5 µg/m³, PM10 : 15.3 µg/m³. Source: LCSQA / Géod'air.