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From the year 1962 on: population without double counting Source: Cassini[3] and INSEE[4]
Crime
The suburb is known for gang violence and poverty.[5] It also has Islamists among its large Muslim population, with 70 local people suspected of having left France to fight for the Islamic State, according to several sources.[5][6] According to the French government, 67 people from Trappes have joined the Islamic State, and others have carried out attacks inside France.[citation needed]
In July 2013, Trappes police station was attacked by a mob of French Muslims in response to the arrest of a man who had assaulted a police officer during an identity check on his entirely veiled wife (face covering is illegal in France).[7][8][9] A man on the terrorism watch list of the French police, killed his mother and sister with a knife in Trappes on August 23, 2018. Amaq News Agency claimed responsibility on behalf of the Islamic State. However, French interior minister Gérard Collomb stated he was a man with mental health issues, rather than someone inspired by the organisation.[10]
Education
There are 36 municipal preschools and primary schools in Trappes.[11]